Stress Urinary Incontinence In Women Health And Social Care Essay

Stress urinary incontinency ( SUI ) can impact up to 1 in 3 adult females between the ages of 16 to 65 old ages of age ( Fantl, 1996 ) doing it non an uncommon unwellness which frequently goes untreated due to embarrassment and low audience rates. There are a scope of causes of SUI although it is normally related back to a general weakening of the pelvic floor musculuss. However chief types of adult females affected are the aged ( Maggi, Minicuci, Langlois, Parvan, Enzi & A ; Crepaldi, 2001 ) and female parents that have delivered via a natural kid birth. Differences in force per unit area: In a normal balance between vesica and urethral force per unit area, the urethra force per unit area usually wins, ensuing in the musculuss staying tight and closed, keeping in piss. However, activities such as coughing, express joying, sneezing or physical activity, such as raising heavy objects, will raise intraabdominal force per unit area which will in bend alteration vesica force per unit area doing incontinency ( Abrams, Stanton, Griffiths, Rosier, Ulmsten, Van Kerrebroeck, Victor & A ; Wein, 2002 ) . Normal elimination of the vesica is due to this force per unit area displacement besides ; nevertheless in SUI the force is nonvoluntary. In SUI there is merely a deficiency of strength keeping these musculuss closed which is why sudden alterations in intraabdominal force per unit area can do the release of piss. Diagnosis: Initial diagnosing is simple with this unwellness and there is merely one major and obvious symptom ( with other minor symptoms that are secondary to the urinary incontinency ) . Diagnosis can merely happen if the patent is to show the symptom to a physician or medical practician, otherwise the issue can travel mostly untreated. Doctors will necessitate to travel through scope of patient proving to acquire a conclusive diagnosing. An accurate patient history will be required for things such as diet ( drinks high in water pills ) or old gestation ( weakening of the pelvic musculuss ) will necessitate to be noted ( Long, Giri & A ; Flood, 2008 ) . Patients may necessitate to be referred onto specializers such as Urologists or Gynecologists for uranalysis and physical scrutinies severally. History: Arnold Kegel ( 1894-1981 ) was a gynecologist and the discoverer of the Kegel Perineometer ( an instrument applied to mensurating vaginal air force per unit area ) and the Kegel exercises which he developed after he recognised the strength lack in SUI sick persons. The term â€Å" Kegels † has become synonymous with pelvic floor beef uping. In 1948 he published a paper titled â€Å" The nonsurgical intervention of venereal relaxation ; usage of the perineometer as an assistance in reconstructing anatomic and functional construction † . His initial research used corpses, which proved to be useless after musculus wasting had set in. After trying to name utilizing merely internal tactual exploration straight onto the affected musculuss, he created the Perineometer apparatus – designed to mensurate from nothing to 100mmHg of force per unit area. After 30 designs and 18 old ages of Kegel ‘s research and instance surveies, the original device has lead the manner for more modern electromyography perineometers which measure electrical activity across the musculus alternatively of force per unit area exerted over the pubococcygeus. His groundbreaking research allowed adult females who antecedently were non cognizant, to understand that the knoll of musculuss could be contracted voluntarily ( Kegel 1948 ) . Physiology & A ; Tissues injured The affects of Pregnancy: Day & A ; Goad ( 2010 ) depict the pelvic floor as the â€Å" knoll of musculuss, get downing at the pubic bone at the forepart of the pelvic girdle and passing between the legs to the base of the spinal column † . This big group of musculuss ( known as the Pubococcygeus ) work together to back up the direct internal variety meats, command the intestine and vesica from releasing, play a function in sexual activity and of class, childbearing ( Haslam, 2004 ) . There are a battalion of endocrines being created and released during gestation, one in peculiar is Relaxin. Relaxin is a peptide endocrine that is produced by the principal luteum of the ovaries that encourages the ligaments and soft tissue to go more elastic to advance an easier birth ( Day 2010 ) . There is no uncertainty that gestation is a traumatic experience on a adult female ‘s organic structure. The violent birth procedure can do lacrimation of the vagina and the anal sphincter which can take anyplace from hebdomads or months to mend. The mechanics of childbearing are consistent with the form of hurt of SUI. The chief musculuss affected in SUI are the levator ani and coccygeus musculuss which together form the pelvic stop. Herschorn ( 2004 ) writes that it is of import to observe that a combination of effectual smooth, striated and connective tissue are indispensable for a urethral sphincter to be functional and watertight. All of these musculuss and tissues together are responsible for counterbalancing and fastening farther when intraabdominal force per unit areas change. While the womb can take anyplace from 6 to 8 hebdomads to travel return to its original size, frequently the pelvic floor ne'er to the full regains its initial strength and stringency ( Barton, 20 04 ) . Prognosis What does this mean for our patient? Ideally, preventive strengthening is the ideal to advance the best recovery for this hurt. However, because Lucy has already had 3 natural childbearings, we can look to re-strengthening the pelvic floor musculuss with exercising. In the most terrible instances, surgery is recommended to mend the loss of tenseness and force per unit area. The most common signifier of surgery is the interpolation of a sling, which can be inserted laparoscopically or with minimum invasion via the vagina ( Daneshgari, Paraiso, Kaouk, Govier, Kozlowski & A ; Kobashi, 2006 ) . The sling is a narrow strap designed to sit under the urethra and can be made from semisynthetic mesh or the patients ain tissues, donated from another country of the organic structure. Another impermanent step is the usage of Bulking injections ( Day & A ; Goad, 2010 ) . It ‘s classified as impermanent because the process needs to be re-done about every 18 months. It involves the injection of substances that help maintain the urethra closed. The substances range from natural collagen, which can bring forth an allergic reaction in some patients, through to coaptite which is wholly man-made and more lasting. Suggested exercising suitable to lifestyle, hurt, recovery Technique: With right and regular day-to-day exercising from the patient, we can anticipate to see consequences within 6 hebdomads ( Choi, Palmer & A ; Park, 2007 ) . The Kegel exercising required can be described as fastening your pelvic musculuss as if you are seeking to keep back from go throughing air current whilst straining around a tampon in your vagina at the same time. Because the knoll of musculuss tallies from the anal sphincter laterally to run into with the forepart of the pubic bone, insulating merely the vaginal musculuss of the pelvic floor is highly hard in new patients hence integrating the anal sphincter contraction is portion of the acquisition procedure and is still found to be rather effectual. Patients can look into right technique by sitting on a steadfast chair and executing a set of Kegel exercises – If they feel themselves move upward from the surface of the chair due to force per unit area exerted, so the action has been achieved right. Biofeedback: This is where Biofeedback comes in to play. Peterson ( 2008 ) writes that biofeedback allows adult females to place, insulate, contract, and loosen up the pelvic floor musculuss either on their ain or whilst utilising equipment. It is a type of behavioral therapy that creates feedback or consciousness about a physiological organic structure motion or action. Because there is such a concentration of musculus groups in a little country, patients may hold issues with designation and isolation. One suggestion would be for the patient to self-palpate their vagina during a contraction, usually whist bathing and reclining. One of the most effectual methods of supplying biofeedback is the usage of a stimulation investigation. The investigation is inserted into the vagina and shows visible radiations or graphs when the correct musculuss are being tightened. Tiny electrodes are attached to both the interior and out of the pelvic part, mensurating where and when force per unit area & A ; electr icity are activated during a musculus contraction. Optimal biofeedback therapy uses a wages and acknowledgment type system to educate the patient with right and wrong musculus visual images ( Abdelghany, Hughes, Lammers, Wellbrock, Buffington & A ; Shank, 2001 ) . The patients see the right colors illuming up when right musculuss are engaged which provides positive support and furthermore, musculus memory. The natural re-training of the musculuss, coupled with a computerised ocular and audio feedback system shows the patient the direct relation to the physical control mechanism. Further methods are designed to recover optimization and the upper-hand in vesica control and release. The technique requires the patient to redact how the pelvic floor musculuss react when the vesica begins to make full, re-training it to â€Å" keep † for longer periods of clip. This is designed to promote the vesica to make full to its normal capacity before directing signals to the encephalon to e mpty or slop the piss. The intervention enhances the right musculuss required to lock-down the vesica successfully via the right sums of force per unit area needed. Exercise and vesica journals: It would be advisable for Lucy to maintain a journal of her Kegel exercisings and any cases of urinary incontinency, so she can supervise her ain betterments and progresss which will prolong personal motive. If she wishes to maintain a more advanced diary she can take to enter frequence of micturition, lessening of incontinency episodes & A ; type, volume and frequence of unstable consumption. Initially they are helpful in set uping the badness of the urinary incontinency ; as clip goes on it will enter and expose for the patient the incremental positive alterations that may otherwise travel lost.

Canculus

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Equality and Inclusion in the Health and Social Care or Children and Young People Setting Essay

Diversity can be expained in many different ways, for example a â€Å"diverse work force† is when a work team has many differences in all different aspects, in example a work team which includes different races, ages, gender and interests. Equality is described in which all individuals arre treated equaly, equal oppurtunties plays a big part within the health and social care setting. Discrimination is when an individual is treated unfairly due to certain aspects, for example discriminated agaisnt because of age, race, sex, interests. Discrimination happens in all settings, social and formal. Within a work setting discrimination can come across in different ways, for example if a racist team leader had a team member of a different race always giving them harder or more uncomfortable jobs than the other team members can be classed as discrimination. Discrimination arises due to different reasons, whether it is a person may not like another, racism, sexism and jelousy can make people discriminate. Equal oppurtunities is a piece of legislation put in to place by the government to help ensure that discrimination does not occur within work settings, so for example when applying for a job you as the applicant should not have to disclose your religion and/or beleifs, medical information and other pieces of information until your have made it through to atleast the interveiw stage. Also if helps to ensure discrimination does not arise within the work places, for example that women and men are given the exact same rights and choices when involved within the work setting, also that age, race and sex do not influence people in making desicions. (outcomes 1. 1, 1. 2, 1. 3) The government put pieces of legislation in to place to ensure the health and safety of people within the work setting, the equal oppurtunities act was put in to place to ensure every one was treated equaly when withn the work setting. This applies to my job role in ways such as it can be a challenging job, and some service users can show aggressive violent challenging behaviour, so in the example the equal oppurtunities act helps make sure that sexism is not shown, for example, if a violent situation was to arise then the staffing team beleives that the female staff memebers are just as capable of dealing with the situation as the male staff members. There are ots of pieces of legislation in place to help in supporting staff members in all of the work sectors, for example there is the disability discrimination act, sex discrimination act, racial and religious hatred act and equality and diversity. All these pieces of legislation are put in to place to help people within all the work sectors and relate to every employee/employer in the country in every job role. Discrimination arises in a lot of work settings even though the government have implemented policies and procedures to be followed to help stop discrimination. Discrimination in a work setting should always be challenged and dealt with. For example within a racially diverse work team if racial discrimination was to arise then any member of the team who was aware of this should deal with it in the appropriate manner, in a lot of companies and organisations there will be a whistle blowing policy set in to place. Any member off staff that feels disctimination is going on within the work setting has a duty to report it and go through the whislte blowing procedures to ensure the safety of every staff member within the company or organisation. In doing so the situation will be dealt with through the approprisate policies and procedures leading to the problem being challenged and dealth with accordingly. ( Outcomes 2. 1, 2. 3) The government help to ensure that all information is accessible as and when needed, there are different government websites that can be accessed through the internet. Also the Citizens advice bureau is a government ran organisation that is there to give help and support to people with legal matters. Every company or organisation should have all of the policies and procedures set in to place ensuring that all staff can access them. For example some companies may have paper copies stored away on site, others may have electronic copies on a system made accessible to all staff members at any moment. Also most companies or organisations will ensure that each staff member has read through the policies and procedures before starting their job role. This is to ensure that all staff are up to dat with the latest policies and procedures and it helps to ensure staff have a full understanding of the companies rules and regulations put in to place.

Advice on Frances Rights under the Law Essay Example | Topics and Well Written Essays - 2500 words

Advice on Frances Rights under the Law - Essay Example The facts of the case are that Frances made the order for the computer system on June 5, 2012, and paid the full amount of  £3,000 to Avalon Computers Ltd. Avalon is a mail order firm. The system was delivered three days later, but Frances wished to return the computer system, still in its box and unopened/unused, a week later. She asked to return the system in exchange for a refund via fax, but Avalon said no. The objective of this note is to be able to give Frances advice on her rights under the laws of the European Union, related to her being able to secure the refund from the mail order company Avalon. This note also covers advice on where else, by way of person or body, Frances may be able to get redress for her situation (â€Å"From the Instructions†).It is worthwhile, as a prelude to giving advice, to go over the relevant legal literature on the issue at hand. First, the quoted legalese above is in the form of a directive, and it is worthwhile to know the nature of a directive under the European Union laws. Directives are one of three types of legislation in the European Union, with regulations and decisions being the other two. Directives, in essence, are â€Å"general rules to be transferred into national law† by member countries as the countries see fit or appropriate to do so. This is opposed to a regulation, which has the force of a national law, with the exception that regulations have the force of being a law applied to all of the member countries.... Directives, in essence, are â€Å"general rules to be transferred into national law† by member countries as the countries see fit or appropriate to do so. This is opposed to a regulation, which has the force of a national law, with the exception that regulations have the force of being a law applied to all of the member countries. A legal decision, meanwhile, is different from the first two, in that it has specific application to particular organizations or persons (European Commission). The European Commission itself has the compliance and application responsibilities as far as the laws are concerned, for all of the member states. The work includes making sure that the countries infuse into their national laws the laws of the European Union. The Commission is also responsible for monitoring the compliance of member countries towards EU directives as they are timed for implementation (European Commission (b)). One discussion further reinforces the differences between directive s, which are binding in general to the member states for their own implementation and translation into the national laws of the country, and regulations, which are generally applicable to all the member states without need for legal translation into the countries’ individual national laws (BBC): Under the process known as "transposition" the directive sets the framework but the practical details of implementation are left for the member states to decide. By contrast, regulations have "general application". That means they are binding on individuals and effectively form part of domestic law as soon as they are made. It is generally only necessary to amend existing national provisions that are inconsistent with regulations, rather than make new legislation altogether. (BBC) It is to be made

Crime Scene Investigators in Law Enforcement Research Paper

Crime Scene Investigators in Law Enforcement - Research Paper Example Crime Scene Investigator The scene where the crime occurred is an imperative aspect in the entire process of investigation. The site contains the core evidence which enables law enforces piece together the evidence amassed from other locations. The evidence gathered from the scene may at times require processing. These investigators undertake various tasks which include classifying and analyzing the evidence. Therefore, the crime scene investigator may require an assortment of skills and knowledge to undertake their tasks. These investigators should have relevant qualifications in the scientific field such as forensics. The knowledge and skill impacted in such a programme will be vital for these investigators. CSI teams should be the first to arrive at the scene. This will ensure that the evidence gathered is apposite. Additionally, there may be people intentionally or unintentionally attempting to distort the scene to frustrate the investigations. These investigators should show urg ency in their arrival at the crime scene. Some crimes entail interviewing the persons that were around the scene when incidence happened. Therefore, the investigator should have appropriate skills that will enable them gather the right information in relation to the crime. Additionally, there should have the capacity to discern the flawed and correct evidence. The investigators should consequently connect the events that occurred in a chronological manner. Crime scene investigators are an imperative constituent of the disciplined forces (Dutelle, 2011). Importance of a CSI team This team makes a crucial contribution in resolving crime since it amasses the initial evidence. The initial evidence forms the basis on which the investigator can follow up the case. It provides the investigator with vital hints on what avenue to pursue in order to resolve the crime. The initial evidence shows when and how the crime happened. Consequently, the team vested with the authority of gathering such evidence contributes considerably to resolution of the crime. With the massive advancements in technology, criminals are utilizing sophisticated methods that leave minimal traces. Consequently, it is vital that there is a CSI team which has the knack to retrieve evidence in sophisticated crimes. The ordinary law enforcer may lack the ability to see some minor details which would provide subsequent investigators with clues on what measures to undertake. The CSI team also processes evidence. The processing of evidence may include DNA analysis and matching of fingerprints. Such evidence is extremely vital in homicides and thefts. However, the effectiveness depends on the legal framework provided and the police force procedures. Some of these laws may create bureaucratic procedures that limit the efficacy of CSI teams. The evidence provided by these teams forms the basis of prosecution and enables lawmakers to charge an offender with charge based on the evidence available. CSI team arr ives at the crime scene earlier on and assists other investigators in stitching together the events that occurred leading to the crime. Most CSI team acts as the custodian of the evidence amassed. Some CSI members specialize in photographic analysis which assists in facial recognition of criminal or victims. Owing to their understanding of the events which transpired, then members of CSI teams are present at court trials. Therefore, CSI teams do not only partake in investigations, but

Visual culture Essay Example | Topics and Well Written Essays - 3000 words - 1

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Comments on 2 posts Essay Example | Topics and Well Written Essays - 250 words

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Any topic that relates to confidence intervals, hypothesis testing, or Research Paper

Any topic that relates to confidence intervals, hypothesis testing, or regression - Research Paper Example For this purpose, researchers chose optometric practice and business involved in it. In relation to the main objective of the research, it also determines the level of significance for each of the independent variable identified on customer loyalty. Finally, it put forth certain recommendations for improving the influence of independent variables on customer loyalty in optometry practice. Hypotheses Tested The research paper set out three research hypotheses to be tested out by quantitative testing of survey data collected in the study. â€Å"HA1:   There is a relationship between customer satisfaction and customer loyalty within an optometric practice. HA2:   There is a relationship between trust and customer loyalty within an optometric practice. HA3:   There is a relationship between commitment and customer loyalty within an optometric practice† (van Vuuren, Roberts-Lombard and van Tonder 87). Population The targeted population for the study comprised of patients of a n optometry practice. Only those patients are included in the population who have visited the undisclosed optometry practice two or more times in the last six years. Variable Measured There are three independent variables including customer satisfaction, trust, and commitment. ... One of the types of exploratory study is Experience Survey (Churchill and Iacobucci), which has been used in the selected research study. A detailed survey has been conducted to collected responses from patients of optometry practices. Sampling and Sample Size The study makes use of non-probability sampling method along with convenience sampling technique. Non-probability sampling method involves selection of respondents from a relatively larger population. (Babbie 199). The study also makes use of convenience sampling technique, which requires the surveyor to simply request respondents to participate in the survey and it is their own will to either accept or reject the request. The survey in the study is conducted at the premises of optometry practice chosen for this purpose. Patients visiting optometry practice were requested to participate in the survey if they met the initial criteria of selecting the population. The survey was concluded with 357 questionnaires completed by patie nts during 8 weeks. (2) Statistical Methods The study is quantitative in nature, which uses statistical methods for analyzing data collected from the structured survey questionnaire implemented in the study. The methods used in the study include descriptive statistics, which determined the frequency of allowed responses for each Likert Scale based statement. Likert Scale allows respondents to choose their responses from a selection of designated responses allowed to them by the researcher. In the chosen study, five point Likert Scale has been used (Monette, Sullivan and DeJong). The study performs calculation of Cronbach Alpha for assessing the reliability of responses. Furthermore, the study also

Critical Book Review Term Paper Example | Topics and Well Written Essays - 2500 words

Critical Book Review - Term Paper Example All that is left is a glimmer of the origins from where their values and ethics had held their foundation. Through examining five different critical reviews, the substance of this novel will be analyzed for its rich ethnic content. The lives of the four women whose stories are highlighted enrich a story that is first of women, then of the cultural influences that created their personal stories. Their stories reveal the gap between themselves and their daughters, children who have grown up in a very different world than that from which their mothers came. The Joy Luck Club, first published in 1989, represents a door that was open into American literature to female Asian writers by the 1976 publication of Maxine Hong Kingston’s memoir, The Woman Warrior. The Joy Luck Club sold 275,000 hard-cover copies and widened the door for Asian female fiction so that within two years, four more Chinese American writers had books published that were selling very well (Cliffnotes, 2010). The initial setting of the book is within a social group called The Joy Luck Club, a group of four women who play mahjong. The book was made into a movie in 1993 starring an ensemble cast of some of the finest Asian actresses in Hollywood. Gloria Shen (2009), in her critical review of The Joy Luck Club, discusses the theme of mother/daughter relationships within the novel. In examining the relationships between the women, she focuses on the narrative style, stating that the narration is not one story, but is divided into sixteen individual stories that are told from the point of view of those characters that each story represents. According to Shen, this narrative style is more conventionally associated with novels from the 19th and 20th centuries, giving the work a contemporary nostalgic style (p. 3). The exception to this point of view style is the story that is told about Suyuan Woo, who has died before the

The Normandy landings in Defeating Germany in World War Two Essay Example for Free

The Normandy landings in Defeating Germany in World War Two Essay 1. Using source A and your own knowledge explain why the D-day was such an important event of World War two? D-Day was such an important event of World War Two for numerous amounts of reasons. The term D-Day actually means The Day. As said by Major Elson, it is the day where everyone does something. Major Elson fought on the Italian front, which is demonstrated on the map. D-Day was to be June 1944 minutes between night turning to morning on the 6th. The Germans had occupied France and France needed Britain, Canada and America to come together to regain the French territory for them. As well as this, Russia was fighting of Germany in the East and needed the Allies to relieve pressure. D-Day was a very important part into ending the war but other factors include the Battle of the Atlantic, the fighting in North Africa and the Battle of Britain. Arriving at Normandy using the Mulberry harbours, the Allies captured all of the five designated beaches (Omaha, Juno, Gold, Sword and Utah) despite strong German coastal defences. This is mainly due to the opposing armies having no idea to where the Allied forces would be landing because no place in France were called those names. The map shows where the troops entered France and this also clearly enforces the sheer scale of the invasion and its importance into keeping it top secret. Meanwhile, parachutists were flown in nearly 20 minutes after mid-night to capture Pegasus Bridge on the River Orne and Vier. This was important as it prevented German counter attacks from transporting troops to the beaches. As quick as they could, the Americans advanced all the way up to Cherbourg and captured it. Meanwhile, the British struggled pushing through Norman hedgerows which proved excellent cover for the defending German formations but the Allies succeeded in liberating the city of Caen in the end. This then led to the captivity of the capital of Normandy, Flank Con. However, with the capture of Saint-Là ¯Ã‚ ¿Ã‚ ½ and later Avranches in mid-July, the way was open for an Allied breakout into open country, an opportunity seized by General Omar Bradley, commander of the 12th US Army Group, who early in August ordered his forces to advance to the east. Hitler refused to allow the Wehrmacht to abandon Normandy and ordered a German armoured counter-attack against the allied forces near Avranches. On August 7 the German offensive was defeated and they soon found themselves in a trap as Canadian and United States divisions began to close in on both sides. On August 19th the allied forces had closed the gap at Falaise, trapping about 12 German divisions, who were subjected to merciless air and artillery bombardment. Hitler now ordered his forces in the gap to escape: about 30,000 did so, while 50,000 were captured by the Allies. The Germans were forced back by sheer weight of numbers by the Allies and by August 25th 1944 Paris had been liberated. After this, the Allies advanced too far, too fast to the border of France and Germany and so the Germans were able to push back one area of the line of troops, enforcing a bulge. This was known as The Battle of the Bulge. The Allies overcome this. The Allied advance in the west and south through Italy coupled with the Soviet advance in the east led to the overall defeat of Germany on May 7th 1945 11 months after D-Day began. The map demonstrates all of the above happenings and the names of the commanders in charge show their line of advancement into Germany. This map also, clearly shows us just how much land had been covered and that the Allies werent just invading from Normandy but from the Mediterranean, from the east (USSR) and from Italy. However, if it werent for the declaration of operation Overlord at Normandy then it is possible to say that attacks elsewhere would not have taken place. The map helps me explain my theory; you can see an awful lot of troops coming from all directions heading towards Germany but the majority are advancing from Britain. Thus meaning that without the attack from Normandy, it wouldnt relieve pressure from the eastern front with USSR and in general, the Allies wouldnt have won the Battle of Normandy. A key factor is that the Battle of Normandy was the beginning of the end. It was a turning point in the war and I can make a judgement from my evidence that the Battle of Normandy was a key factor into the defeat of Germany (Victory in Europe) and possibly to ending the war altogether. 2. Study sources B and C. Compare these judgements on the importance of D-Day in the outcome of the Second World War. From studying both sources, I can see that they differ considerably. Both sources say the importance of D-day. Source C tells the problem of getting over the river Rhine and the vigorous German counter attacks. Source B doesnt have a particular author but it was written for the Telegraph Newspaper marking the 50th anniversary to commemorate D-Day. There are two key facts to touch upon in this subject area. Firstly, I have recognised that this is a British newspaper and therefore its information would be from a British perspective. By this, I mean that it will say only what the British public wants to hear especially on the anniversary. The anniversary is a celebration of freedom and victory and commemoration so for a British newspaper, the British public is not going to want to hear about D-Days flaws. Secondly, this is secondary evidence. This means the writer wasnt there to actually see what happened- he/she is just going on the basis of what they have heard and researched. However, this is the same for source C so there is no difference in that respect. Regardless, a British historian (Jack Watson) writes source C. Therefore, this man is obviously bound to know his stuff as his career is based around the acknowledgement of history. Thus meaning that he isnt just purely writing to commemorate the anniversary of D-Day, he is writing it because he is interested in it. Maybe this is why source C is far much more detailed than source B. From reading source B, it had become clear to me that the way in which the text had been written; it comes across although D-Day was achieved in such little time. This is true but the advancement of the troops from Normandy to Paris did come with a bit of a struggle at some areas (e.g. British troops capturing Caen) and so it wasnt as straightforward as the writer is making out. I think the writer has done this to give the British public what they want to hear and therefore will sell more copies. Another possibility is that the writer just needed to summarise D-Day and just produce an overview. Source C explains that it wasnt just down to Normandy that D-Day took place. Watson says how paratroopers landed in Holland, resistance broken in Italy and fighting in Germany. This means the historian has studied a broader area to the happenings of D-day rather then just focusing on France like source B. I think this is because people, who read his writings, are going to be more inclined to see D-Day from all angles of perspective. I believe people reading Watsons work would like a less judgmental and less biased view to the events of D-Day. Source B illustrates a bit more on how important Normandy was and how we commemorate it today. I do think that the writer of source B is somewhat biased and possibly holding back factual information which would probably give us a different perspective on D-Day as he has just wrote it to please, however, this leaves this piece of evidence to some extent, being unreliable. Source C, nevertheless, has more factual evidence and includes as much information about D-Day in as little words as possible for it to be a more reliable source. It takes into account the German resistance and understands the Allies didnt gain liberation easily. 3. Study sources D and E. Use details from the cartoons and your wider knowledge in your answer. What do these cartoons suggest about the reasons why the allies defeated Germany? There are many reasons as to why the allies defeated Germany. Source D illustrates one aspect. Source D shows Adolf Hitler ordering troops to invade the USSR but they turn into graves instead. From my own knowledge I know that this occurred on June 22nd 1942. Hitler envisioned it as short decisive war with USSR reaching a spectacular triumph. It started well for the German army who successfully employed the blitzkrieg tactic again. The Germans had a spectacular rate of progress into the USSR with the Panzer tank regiments moving up to twenty miles a day. By September1941 the German army had reached the Ukraine farmlands and had surrounded the city of Leningrad. This was the height of German success from this point onwards the German defeat became more and more probable. The German forces were unprepared for the extreme Russian winter with temperatures reaching as low as -40 degrees Celsius. The Russians used a huge evacuation policy, which involved evacuating whole armaments factories to the east of the USSR. This ensured that even though they had lost a large amount of territory they still had the means with which to fight back. USSR was well organised because at the time of signing the Nazi-Soviet Pact, they realised they couldnt possibly fight a war as they werent ready. Therefore, this treaty gave USSR time to prepare, and so they did. Consequently, this Soviet cartoon depicts basically how Hitler sent his troops to death. As well as defeats in the east, there are other areas in which Germany fell. Between the years of 1939 and 1941 the United States of America had played a supposedly neutral role in the war. While not actually declaring war on the Germans the USA was supplying the British with everything they needed to keep the war effort going. The American role in the war changed on the 7th December 1941 when the Japanese attacked the American naval base at Pearl Harbour in Hawaii. The American President Roosevelt used this attack to swing public opinion in favour of declaration of war. The USA declared war on Japan and three days later Hitlers Germany declared war on the USA. This declaration of war by Germany was a decisive point in the whole war. It has long been wondered why Hitler chose to declare war on the Americans. His forces were just suffering their first defeats in the USSR and the German army was already stretched on a number of different fronts. This clearly shows that the Germans were failing before they had begun. I believe this relates to the cartoon; the troops in the picture are defeated before they have even begun. As if Germany hadnt enough on their hands and hadnt taken into account the loss of men in the cold winter months in Russia, they continued and they reached the key industrial and railway centre of Stalingrad in August 1942. A bitter street battle ensued which continued until February 1943. Eventually the Germans were defeated in the Battle of Stalingrad one of the fiercest battles in the whole war. The Russian victory destroyed the invincible reputation of the German army. The defeat also destroyed the German morale because of the large losses of men and because of the fact that the supposed master race had been defeated by a lower race in the Slavs. This obviously didnt give the Germans the courage to go on. Not to mention, an awful lot of the German army was foreign so they wasnt as eager to fight as its not their country they are defending. Germany was a country practically on its own. Whereas on the other side there was Canadians, Russian, American and British all fighting on the same team with a greater number of troops. The Atlantic Ocean was a key battleground in the Second World War because of the large number of allied supplies travelling from the USA to Britain and the USSR. The Germans had had control of the Atlantic since the beginning of the war with the number of U-boats losses being very minimal compared to the number of Allied shipping lost. But by mid 1943 technological advances allowed the Allies to effectively win the Battle of the Atlantic. Some of these advances included better radar detection systems and longer-range aircraft. The victory in the Atlantic meant that Britain was no longer blockaded. The Germans also lost the war in the air. Over a period of two years between 1942 and 1944 the Allies mounted ever more devastating air attacks on German cites. The Allies were able to drop a far greater tonnage of bombs over German cites than the Luftwaffe could drop over British cites because of the development of a heavy bomber by the allies. The continuing air attacks slowly gained the Allies complete air superiority which was key for the D-Day landings in June 1944. These are all the events that lead up to June 6th (D-Day) and all of these links in with the effect of D-Day. In conclusion it could be argued that there were a number of different turning points in the war. On the one hand, the declaration of war by the USA, the Soviet victory in Stalingrad the Allies successful completion of Operation Overlord or when Hitler choose to declare war on the USA, could all be considered as the turning points in the war. Overall we believe that the point at which German defeat became inevitable was when Churchill and several great generals including Eisenhower and Montgomery planned the daring invasion of Normandy and put it into action. Sources D and E demonstrate this quite clearly. Source E basically shows that Stalin and a Russian soldier/general could easily roll over the Germans without much of a fuss and were defeating them generously. Germany, as illustrated above, suffered many defeats and Normandy just basically hit the nail on the head. The French were Allies with Britain and Britain was Allies with USSR and Canada and USA. I dont suppose it benefited the Axis in any way at all with the economic and industrial power of the Allies was now overwhelming. If the Germans had been fighting the British alone the war would have been one of attrition like the First World War because Britain and Germanys industrial output were equal. So with the addition of the two most industrial powers in the world in the form of the USA and the USSR the Allies could not lose. All of the previous defeats like the fighting in North Africa, the Battle of Britain, the Battle of the Atlantic and the fighting in the East with USSR etc. are all linked with the effect of the Battle of Normandy. On the other hand, in my opinion, if it wasnt actually for the Battle of Normandy which led to the liberation of France and the Falaise gap and so on, then Germany would of carried on capturing countries until the end. It is also possible to say that if Germany hadnt declared war on USA (for which reason we do not know) then USA might have still stayed out of the war against Germany (and only fought Japan) and also, Germany might have stood a chance of winning. But they still would have had a war on two fronts with USSR, too. Therefore, if they hadnt declared war on USSR in 1942 then they would have had more troops to give resistance on D-Day. In general, Germany didnt stand a chance as the British were sending messages to the French resistance who helped prepare for D-Day and also the British bombed Calais four times as much as they did Normandy to give Hitler the impression they were invading at Calais rather than Normandy. Therefore, Hitler sent more troops to defend Calais and this was completely unnecessary. This then meant, that on the attacks of Normandy, Hitler was unable to send troops to Normandy from Calais because the paratroopers had captured the bridges and railway lines etc. D-day was the largest invasion to be known as of yet and the Germans couldnt retaliate against 3 countries including 176,000 allied soldiers, alone-not to mention the attacks from the East. 4. Study source F. How reliable is Stalins view of the importance of D-Day? Source F may only say that one thing has been completed successfully and that is the landings on a grandiose scale. We can infer from the rest of what Stalin says that the beach landings are going quite successful as well, because he says that. I think this is a fairly trustworthy source in that Jopeph Stalin was the leader of USSR at that time. This is primary evidence and was sent only five days after the landings so the goings on was still perfectly clear in Stalins mind. Also the date is reliable because this could not have been said before D-Day as the things Stalin mentions hadnt happened yet. Also he is speaking in the present tense so it is obvious that what he is talking about is currently going on. There are several things that it does not say in the text, perhaps because Stalin does not know this, or perhaps he is holding back. He does not tell us anything about what the opposition is doing or what the planes and ships providing covering fire are doing, which could be very useful information. The bottom part of the text in bold allows us to infer several things. It tells us he is speaking personally via telegram to Churchill, from this we can infer that as he is writing in the form of a telegram he may not want to mention a few things. He obviously will not criticise Churchills operation, as they are allies. Russia needed Britain, USA and Canada to relive pressure from the east and for Stalin to be congratulating Churchill on the success of it must mean that D-Day had relieved pressure and so Stalins telegram is of some great significance and importance. At face value it is impossible to judge the importance of the D-Day landings from just studying Source F alone. Inconclusively, by making careful inferences we can think that it was obviously a great success, for Stalin to send a telegram to Churchill congratulating him and saying history will record this deed as an achievement of the highest order. It is very difficult to analyse any resistance from the Germans from this source and whether USSR had any part in D-Day or whether D-Day was purely to do with anything else like the fighting in Italy. I know, however, that there was from my own knowledge but this source doesnt imply anything of the kind-5 days into the D-Day landings and Stalin is congratulating him already, before they have really begun. So in that sense, Stalins view isnt that reliable in the importance of D-day. On the other hand, Stalin wrote it so it has to be reliable-it is first hand evidence. He was there to witness the goings on at the time you cant get much closer to it than that and he shows his support to Churchill. Although Russia signed the Nazi-Soviet Pact with Germany, it was under a mutual understanding and this didnt make them Allies, it merely kept the peace for a little while. So there would be no reason for this source not to be unreliable as they were Allies. Stalin also proves from the Pact that he wasnt at all with Germany because he says the hysterical Hitler boasted for two years that he would invade England across the channel but could not even make up his mind even to attempt carrying out the threat. This means one of a few things. Firstly, Stalin stitched up Hitler to Churchill about Hitlers threat to invade England. Secondly, he criticises him, calling him hysterical. This clearly states he was never a German ally, he just used the Nazi-Soviet Pact as much as Hitler did. Stalin was Allies with Churchill and Churchill was the prominent figure who arranged D-Day. Therefore, his evidence has to be somewhat reliable and relevant to the importance of D-Day. 5. Study sources G and H. Which of these sources is more useful as evidence in assessing the significance of D-Day? On the one hand, Source H is obviously written by one of the allies rather than Germany, as it does not say as such. I know this because the way in which Geoffrey Elliot refers to the event is on a positive note. If a German wrote it, I would expect it to be somewhat negative as a pose to praising the significance of D-Day. Additionally, another factor as to why source H is useful to the significance of D-Day is that it recognises the obstacles the Allies faced. This is because most sources that are written by a member of the Allies country normally exclude the difficulties they faced and just note how greatly they succeeded. Members of the Axis countries usually criticise D-Day and find faults on every account in its events. Therefore, this source, in that sense, is exceedingly reliable as it looks at both perspectives. From my own knowledge, this is to some extent unusual. It states that a change in weather could have destroyed. Meaning that the weather made it harder for the allies to get on the beaches and off load their equipment. Despite this, they did it even though they were forced to cancel out the Mulberry Harbour at Omaha beach due to the weather. On the other hand, source G was written by a historian and it is obvious that he is bound to know the significance of D-Day thoroughly. The writing in bold at the bottom reads that Taylor has studied English history from 1914-1945. This means that he has studied both of the wars (First World War and the Second World War) and knows all knowledge he can on the subject. He would be able to see how significant D-Day was out of the Second World War in greater detail even if it secondary evidence rather than primary. Furthermore, Source G is less biased on the count that it involves the aid of Russia and America. This is great considering other evidence written by British historians, that I have studied seems to out-rule the Russian help and sometimes fails to mention about the Canadians and Americans. Conjointly, this source looks at the events leading up to D-Day and not just D-Day itself. For example, it says that Dunkirk was the period when Britain stood alone. This signifies one of two things. Firstly, Taylor is not just looking at the successes, as being alone isnt much of a success. Secondly, Dunkirk isnt part of D-Day. This can be seen as a good or a bad thing. Bad, because he isnt focusing himself on D-Day and this is what is required for me in order to assess the usefulness of this source to the significance of D-Day. Good, because he is analysing other factors into the vents leading up to Normandy and other factors that helped the invasion succeed. Source G also gives more precise key names and dates throughout the text. This relevant because this shows the historian knows what he is writing about. To add to this, I know for a fact that it is written by a British person because it says so at the bottom in bold. However, this is can mean that the historian is more inclined to be biased but being a British historian, it is expected. Taylor doesnt look at D-Day from a German prospective, given that it was published 20 years after the war. Instead, it sees D-Day as a final victory. They may be his opinion, but it was nearly a year after D-Day that the Germans surrendered so it wasnt exactly a final victory. To analyse exactly what source is more useful than the other to the significance of D-Day I must study their flaws. Source H appears to be more of an overview than anything else. This is satisfactory if its just for the 50th anniversary but compared with source G, with a lot more detail than itself, it is not good. This brings me on to the fact that it is a commemorative article produced for a magazine on the 50th anniversary. An editor who briefly researched the events of D-day produced this article and probably doesnt particularly focus on this subject matter. This is my interpretation of what I thought after reading the text. But as a pose to source G, which is written by a historian whose job and interest is to research the wars thoroughly, it doesnt compare. Therefore, in my opinion, I personally feel that Source G is more useful to the significance of D-Day and the evidence above backs up my theory as a whole. 6. Why do you think sources I and J disagree about the defeat of Germany and the end of World War Two? When one looks at sources I and J, we can see they are very different when juxtaposed with all the other sources and different compared with themselves. The only point at where they have something in common is that both sources are secondary evidence. Source I is written by Yves Leccouturier who is from Normandy. I know this because it says so in bold at the bottom of the source. The fact that he is from Normandy is a great factor to his perspective of the attack itself. He isnt going to be bitter about the landings as the allies came to liberate France, not invade it. Therefore, he is, of course, going to be grateful towards the Allies for pushing the Germans out of France. There is additional evidence that backs up my theory behind this. He describes it as the liberation of Europe and in the outcome of the Second World War. This clearly indicates just how grateful he is and that the rest of Europe should be grateful, too as the Allies savoured them and without them, V E Day wouldnt have been achieved (Victory in Europe-of, which I believe Leccouturier is referring to). Leccouturier also believes that as a result of the landings at Normandy, the war ended (illustrates this in the quote). Both of these examples, would be key factors as to why the source was written in this manner. Another quotation in the text to back up my theory is when Leccouturier says Everyone welcomed the liberator with limitless enthusiasm. Leccouturier is also a French Historian. This helps to establish his reasons behind the source because he would know a great deal about the landings from living there and also from being a historian. He would have surely researched a great deal into the subject matter. To add to this, he is writing this source for a guidebook of the Normandy beaches for tourists. In essence, the type of tourists that are likely to visit this area of France would essentially be French, British, American and Canadian. These are the countries that were on the same side as each other and so it would be me probable for them to visit Normandy as a pose to a German citizen. Therefore, it is logical for this source to be biased, in that approach and this is another instance as to why the source is written in this form. Source J has an immensely different view on the topic. Source J is written by a Soviet historian some years after (1968) and feels very differently juxtaposed with Source I. Source J, from studying the text, appears to be bitter about the Allied troops receiving all the credit for the result and the war ending as a result of that. Source J basically writes it in this way because they dont feel recognised enough by western Allies for their efforts in the war. The Russians were the ones who requested back up from Britain and Churchill took up the request along with America and Canada. Therefore, I can see why credit goes to the Western Allies as they were the saviours but it was Russia who was fighting of German in the East in the first place. The Soviets feel forgotten it seems, from the way the source appears, that Russians just want some sort of recognition for their efforts in the outcome. In conclusion, all of the evidence above makes it clear to why the sources disagree to the defeat of Germany and the end of the Second World War. This is because the Soviet historian wring this text feels that USSR played a key part up to, on and after D-Day and that they havent received a sign of gratefulness or not enough of it from the western Allies they helped. Juxtaposed with source I, who boasts about how joyous the Normans were when the Allies landed and how the Normans welcomed the liberators with limitless enthusiasm. And liberators being the word. It doesnt mention a word about USSR and their efforts and this source is just another example as to why source I disagrees with the defeat of Germany and the end of the Second World War. Being from Normandy and writing for a Norman guide book, it isnt likely that he is going to mention the USSR as they didnt land here, they didnt capture the beaches, Caen, Cherbourg or Paris, they werent anything to do with the Battle of Normandy itself. They were involved with the fighting in the east while the liberators fought in the west. France praised the Western Allies and the Soviets got jealous. All these reasons conclude, in my opinion, to why the sources disagree about the defeat of Germany and the outcome of the Second World War. 7. How far have the sources in this paper convinced you that D-Day and the Normandy invasion was the most significant factor in the defeat of Germany in World War Two? Use all the sources and your wider knowledge There are numerous sources that reflect that Normandy was the most significant factor in the defeat of Germany in World War Two and sources A, B, C, F, G, H and I are included. On the one hand, Normandy was by far, the largest and most amphibious invasion that has ever been planned, let alone to have succeeded. Source A depicts how much of a large-scale invasion it was because you can see a tremendous amount of troops came in from the English Channel to Normandy at the five beaches. Source B, written for the Telegraph newspaper for 50th anniversary edition, classifies it as the turning point in the Second World War and the greatest amphibious operation the world has ever seen. This is the second source to illustrate how much of significant factor the Normandy landings played to the defeat of Germany and the Second World War. Source C, written by a British historian, delivers another quotation to put to my evidence by writing the Germans were driven back. This directly explains that the landings at Normandy advanced to this. I also have primary evidence from Stalin, the leader of Russia. Stalin says, from his first hand knowledge that the landings have succeeded completely. What the Western Allies wanted to do was liberate France, force the Germans out of France and relieve pressure from Russia. Obviously, for Stalin to send this message in a telegram to Churchill after just five days, it must have been working. Source G, written by a British historian, explains that combined with the Russians, British and American armies brought final victory. Thus meaning that D-Day achieved its targets of relieving pressure on Russia, liberating France and more importantly, defeating Germany bringing Victory in Europe (V E Day). Another commemorative magazine on the 50th anniversary, source H, though it is a small article, provides a lot of evidence. To begin with, it refers to the D-Day and the Normandy invasion was a military feat. This infers that D-Day and the Normandy invasion was an achievement for the Allies. This source also says that D-Day and the Normandy invasions were a plan to smash German power in Europe. I can say from this that not only was it a plan; it was a plan put into action. Finally, source I, written by a French historian from Normandy wring tourist guidebook, says how the French coastline is marked forever by the first steps towards the liberation of Europe. By this remark, I assume he is referring to V E Day (Victory in Europe Day). In which case, this source directly shows that D-day and the invasion of Normandy was significant into the defeat of Germany. On the other hand, whilst D-Day and the Normandy invasion is obviously a prominent factor to the defeat of Germany, there are other factors, too. Source A shows how many troops came via the Channel but it also shows how Allied troops came from Italy, all along the German border of Russia and from the Mediterranean and into France. This demonstrates that Germany wasnt just being attacked from Normandy. Source D depicts a cartoon of Hitler ordering troops to invade USSR but instead, they turn into graves. This cartoon clearly states that there was fighting on the eastern front with Russia and that Germany wasnt benefiting from it and arent just suffering defeats in the West. Source E backs that up as it demonstrates Stalin rolling Germans back using a rolling pin and in the stew pots behind him are defeats Germany had already suffered from USSR. It is ironic that the cartoon is named The Chefs Speciality as this means the Russian speciality is to roll Germans back and defeat them. Source G has two sides to it. It does say that the Normandy invasions and D-Day brought final victory but it also says that D-Day couldnt have been launched until German U-boats have been mastered in the summer of 1943. The reason for this is because the Navy wanted absolute air and sea superiority before they proceed with the invasion. This led to an attack on the Atlantic Ocean named Battle of the Atlantic. Therefore, without the Battle of the Atlantic, D-Day and the Normandy invasion couldnt take place. Source J expresses how it wasnt just down to D-Day and the Normandy invasions that Germany was defeated. Source J, written by a Soviet, believes the Soviets played a role in defeating the Nazi aggressor but has not been fully recognised by the Western Allies. It continues to add that it was the Soviet people who held back the Nazis in Europe for over two years while the Western Allies deliberated and prepared for their invasion. I gather from this text that point this source is trying to get across is that without the Soviets aid, Hitler would of put into action his plans of invading Britain (as said by Stalin, Source F). Britain would have been unprepared and the invasion of Normandy and D-Day wouldnt have taken place at all. There are factors not included in any of the sources that without their aid, D-Day and the Normandy invasion wouldnt have been as significant as it was. The Battle of Britain is one of them. Germany was bombing RAF bases in Britain every night for 53 nights before bombing cities. This was a fatal mistake. It gave the RAF time to regroup, repair airfields and train new pilots. Therefore, Germany lost along with a few other reasons. But if Germany had won, Germany would have gained supremacy in the air and Germany would have invaded Britain and probably lost the war as a whole. Dunkirk was a key element in boosting the British moral and saving 50,000 troops from the coast of France. This is a great feat because if the British public didnt rescue them then the British troops would have been stuck at Dunkirk and captured by the Germans. They were saved and this meant that Britain still had its troops and could progress onwards. The loss of 50,000 men would have had an effect on their efforts with D-Day and the invasion of Normandy. The fighting on the Italian front and North Africa played an important role into the significance D-Day and the invasion of Normandy had to the defeat of Germany. This is for the same reasons as the fighting on the eastern front with Russia and the Germans in that if the British had lost this, Germans would have been able to progress onwards through France and would have possibly been more ready for the invasion of Normandy and D-Day. To add to this, Germany was failing anyway, mainly as a result of all these defeats above. Germany had fewer troops and wasnt as well prepared as the Allies. The Allies had paratroopers fly in to capture main railway lines and bridges to prevent Germans from bringing in reinforcements. There were also preparations in Britain. Britain had inflatable military equipment, code signals were sent to the French resistance, petrol pumps for military vehicles in Normandy were disguised as ice-cream parlours and they dropped Rupert dolls which were counterfeit paratroopers that fired gun shot sounds when they landed. Furthermore, Britain sent a van around Scotland sending out more false alerts of an invasion from Scotland and they bombed Calias 3-4 times more than Normandy so the Germans would think an attack would be in Calias. They also invented special tanks to overcome German obstacles, they used reflective stripes to confuse German radar systems and they code-named the beaches so the Germans didnt know where they were going to attack. This is a drastic amount of preparations to undergo but these kinds of preparations meant that Germany didnt, in theory, stand a chance of winning. I dont think Churchill would have organised such a large-scale invasion, involving 4 main countries if he wasnt assured of a beneficial outcome. I think most of the significance of D-Day and the invasion of Normandy was, on the whole, down to exceedingly good planning and a lot of luck. However, the sources, overall, in this paper and from my own knowledge, have convinced me that D-Day and the invasion of Normandy are the most significant factors to the defeat of Germany in the Second World War. The Invasion of Normandy led to a lot of things. For instance the capture of Cherbourg, Caen and Paris. The Falaise Gap was a great achievement as it captured 50,000 German troops and from then the Allies progressed fast to the French-German border where the Battle of the Bulge took place. The Allies won this two and then it was just a race with Russia to get to Berlin. Of course there were set backs, like the weather, the struggle at Caen and the capture of Omaha beach, but thats expected in a large-scale invasion as this. But on the whole, there were a lot of achievements and the invasion accomplished their targets and the invasion was a success. Germany surrendered on the 5th May 1945 and there was victory in Europe at last. Without all the other factors that led up to D-Day and the luck involved, Normandy wouldnt have either taken place, succeeded or succeeded as well as it did.

The Effect Of Wind Direction On Wind Turbines

The Effect Of Wind Direction On Wind Turbines I expected to learn from this project what the effect wind source direction had on a horizontal wind turbine. I found out that going from one side to the other, depending on how the pinwheel was shaped, that the power generated would increase or decrease. The homemade pinwheel generated power that peaked at the 180 degree mark and gradually went down with a slight spike upwards at the 0 degree mark. The store bought pinwheel had an average power that peaked at 180 degrees and went down gradually and spiked all the way almost to the 180 degree mark at 0 degrees. These results are important because currently, there are wind farms and they have windmills to produce energy, it is important to imply these facts when constructing the windmill to know how to make the windmill most efficient to produce the most energy it can with the given situations. Background Research Introduction My project researches wind turbines and how changes in wind direction affect the amount of work the windmill can do. I will use two types of turbines a store-bought pinwheel and a homemade pinwheel. The two turbines will be exposed to the same amount of wind force and wind source direction. As I change the angle that the wind blows, I will calculate the amount of energy it takes to do the same task haul five paperclips vertically. My project question is: What effect does wind source direction have on a horizontal wind turbine? My hypothesis is: The more indirect the wind source is, the slower the turbine will spin, thereby working harder and using more energy. For many years my family and I have been going to Lake Tahoe. Every time we travel there, we pass a field of windmills. I used to always ask my dad what they were for and how they worked. I always loved to watch them spinning. When I was looking for a science fair topic, I saw an experiment involving wind turbines. I remembered the windmills on the way to Tahoe and thought it would be interesting to find out how they really work. I thought the mechanics of this project would be fun to make and to watch work. I hope to learn how wind turbines generate electricity, the mechanics of windmills, and under what conditions windmills spin the fastest. Scientific Background When it comes to windmills or wind turbines, there are two major types. The more well known type is the Horizontal Axis Wind Turbine (HAWT). These wind turbines are the ones you typically see; they are your stereotypical type of windmill. The other type is known as the Vertical Axis Wind Turbine (VAWT). These wind turbines are not as common but still have the same capability of the HAWTs. The VAWTs are not used as much because they puts more strain on the support pole, making them more likely to collapse. They also need a small generator to start spinning because most of the time the wind is not strong enough to push it alone. These windmills have generators inside of them that generate electricity when the gears spin. Discovery The first windmill was invented by none other than the Heron of Alexandria, in Greece, in the first century AD. He invented this windwheel to power a musical organ; however, this idea of wind power was not well embraced. At the time, slave labor was cheaper, faster, and more reliable. The first modern designed windmills were invented by the Persians in the 9th century AD. There is no one inventor to which to give the credit, but Persian geographer Estakhri noted the invention. The discovery of wind power is important because it introduced a new, free source of energy other than slave labor. Today our environment is at risk of being destroyed. Due to the increase in population and technological advances, the resources in our world are quickly being depleted and we are damaging our environment. We are using an increased amount of energy, specifically fossil fuels, to power almost everything we use. Instead of using fossil fuels we could and should be using more wind energy to create energy. Despite these masterminds of history, there is still more to be discovered in this area. Scientists could discover a new, more reliable, and more efficient model of wind turbine to replace the HAWTs. They need to discover more in this field in order to replace fossil fuels and stop global warming. Application Today, we use windmills as a renewable source of energy and electricity. If scientists in the future can have a breakthrough with windmills, it could permanently replace fossil fuels, therefore stopping global warming. Residential wind power is becoming more available, but not as accessible as we need them to be. Conclusion From this project, I hope to learn how wind turbines generate energy. I hope to learn some of the mechanics behind windmills, under what conditions windmills spin the fastest, and how they can create energy. Experiment Details Experiment Question What effect does wind source direction have on a horizontal wind turbine? Experiment Hypothesis The more I move the wind source to one side of the turbine, the wind turbine will spin more slowly. Experiment Variables Independent Variable The angle in degrees that the wind source will blow at the rotor. Dependent Variable How much time, in seconds, it will take the wind turbine to pull up 5 paperclips. Controlled Variables The amount of weight the wind turbine will pull up The amount of wind being blown at the wind turbine (hairdryer on high speed) The temperature of the air being blown (hairdryer on cool setting) The height the turbine will have to life the paperclips The wind turbine itself Materials and Procedures Materials Used Pinwheel, store-bought or homemade Scissors 8.5-inch x 8.5-inch sheet of paper Ruler Pen Nail Wooden skewer, available at grocery stores Tape, any kind Empty oatmeal canister with plastic lid Handful of rocks (or heavy objects to keep the oatmeal canister weighted down) Small compression spring (approximately  ½ inch long and able to fit over skewer) Clear tape Spool of thread (1) Paper clips, #1 size (5) Measuring tape Room in your home that is free from drafts Hair dryer Table or chair Sticky notes, small size A helper Stopwatch Lab notebook Graph paper Procedures Building My Rotor For a store-bought pinwheel: STEP 1: I have to remove the rotor blades from the shaft by cutting off the plastic nozzle tip of the shaft. This rotor is now on the skewer and is ready for testing. For a home-made pinwheel: STEP 2: Fold a square piece of paper diagonal then back then diagonal the other direction then back. When I am finished I should have an X crossing the middle of my paper. STEP 3: Measure about 2 inches from the center on each crease and draw a line with my pen. STEP 4: Make four holes in the paper with the nail near the corner. STEP 5: Make a fifth hole in the center of the paper STEP 6: Cut along the creases with the scissors and stop where the lines were drawn 2 inches out from the center. Building my Horizontal-Axis Wind Turbine STEP 7: Use the nail to poke two small holes on corresponding sides of the Oatmeal container about one inch down from the top. STEP 8: Place rocks inside the container and close the lid. STEP 9: Put the skewer between the two holes. STEP 10: Thread the spring on one side of the skewer. STEP 11: Put on one of the rotors (homemade or store bought) next to the spring on the skewer. STEP 12: If I were using the homemade rotor I must first fold the four corner holes onto the middle hole so they are all on top of each other and form one hole. Then thread the skewer through the hole and the rotor is ready. STEP 13: Tape the rotor to the skewer so it will not slip off the skewer. STEP 14: Cut about 2 feet of thread. STEP 15: Tie one end of the thread to the end of the skewer that does not have the rotor taped to it. STEP 16: Tie the other end to one paper clip. Then attach the remaining four paper clips to each other then attach the four to the first one that is tied to the thread. This is the load that the wind turbine will be pulling. STEP 17: Measure the threads full length with the measuring tape from the skewer to the first paper clip. Record measurement in lab notebook. Now I am ready to start testing. Testing My Wind Turbine STEP 18: Place Wind turbine on the edge of a table or chair in a room without drafts. STEP 19: I will be testing my wind turbine at five different points around the rotor, 0 degrees, 45 degrees, 90 degrees, 135 degrees, and 180 degrees. To mark these points on the table, extend and lock the measuring tape so that it is approximately 6 inches longer than the radius of the rotor. Hold one end of the measuring tape directly below the point where the rotor meets the skewer, and the other end of the measuring tape at the approximate points around the pinwheel. Mark the points on the table with small sticky notes. When I begin the test, I will hold the handle of the hair dryer on the sticky notes and the blower end will point at the rotor. The goal is to have 1-2 inches between the rotor and the blower. If I dont have enough room, or have too much space, then I would have to adjust my sticky notes outward or inward. STEP 20: Have the helper manage the stop watch while you hold the hair dryer in position. As a test run, start the hair dryer on low and move it from sticky note to sticky note and record what happens in the notebook. STEP 21: Extend thread to full length STEP 22: Place the handle of the hair dryer on the first sticky note and turn the hair dryer on low and face it away from the rotor. STEP 23: When the helper says go, point the hair dryer at the rotor and leave it there. Keep the hair dryer at the same level for every test. STEP 24: Observe the motion of the paper clips. When the top of the first paperclip reaches the skewer, the helper should stop the stopwatch. If the paper clips do not to rise all the way to the skewer, then stop the stopwatch when the paper clips stop moving. STEP 25: Turn off the hair dryer when the clips reach the top or when they stop moving and record the time in the table drawn in the notebook. STEP 26: Repeat steps 21-25 until all testing is done. Challenges and Technical Issues I experienced several technical challenges relating to timing and angle as I performed this experiment. First, it was difficult to keep the direction of the air source constant. While I held the hairdryer, I found it difficult to keep it still. It was also difficult to ensure that the angle was kept constant throughout the experiment. I did my best to make several markings on the table to align the hairdryer. I also found that while using the homemade pinwheel, the pinwheel would sometimes push the skewer forward, causing the string to make contact with the canister, therefore slowing it down. To resolve this, I moved the pinwheel to the front end of the skewer and secured it there. Similarly, I found that while using either pinwheel, the string would sometimes wrap part of the way on the skewer but run out of skewer and fall off the edge before it was fully wound. To resolve this, I moved the string closer to the canister so there was more room for it to wind onto. Timing was also one of the human errors. Coordinating the actual start and stop of the stopwatch with the actual wind source (hairdryer) was tricky. My assistant and I counted down 3-2-1 and got as close as possible. There were times that we needed to restart the trial due to timing issues. Experiment Results With my tests results from the store bought pinwheel, the averages in ascending order staring at zero degrees going up are: 27.18 seconds, 36.94 seconds, 47.84 seconds, and 26.53 seconds. In these tests, there was only one outlier. That outlier was in the 90 degree testing when the outlier was below every other time with a time of 28.36 seconds. This was due probably to movement of the wind angle. In the homemade pinwheel, the averages of the times are in ascending order from zero degrees going up are: 57.86 seconds, 1 minute 2.20 seconds, 1 minute 21.66 seconds, 41.67 seconds, and 35.11 seconds. There were four outliers within these tests. One was with the 0 degrees test; it had a time of 1 minute 7.97 seconds. There were two outliers in the 45 degree angle testing. The first had a time of 40 seconds and the next had a time of 1 minute 12.17 seconds. Both of these did not get all the way to the top of the canister. The fourth outlier was in the 135 degree tests with a time of 1 minute 4.91 seconds. All of these faulty times were most likely due to movement of the hairdryer. With all of the outliers in my experiment, I included them into the average and did not change or discard them. Time Data Table Store-Bought Pinwheel Position of Wind Source (degrees) Time to Raise Load (seconds) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average Uncertainty 0 29.78 31.81 23.85 26.90 23.54 27.18 Range: 8.27 sec. Human error possibility: movement 45 38.62 38.87 43.38 33.56 29.78 36.84 Range: 13.6 sec. Human error possibility: movement 90 38.75 36.61 42.22 38.74 28.36 36.94 Range: 13.86 sec. Human error possibility: movement 135 45.41 54.28 49.75 47.82 41.93 47.84 Range: 12.35 sec. Human error possibility: movement 180 28.10 25.98 28.88 27.31 22.38 26.53 Range: 6.5 sec. Human error possibility: movement Time Data Table Home-Made Pinwheel Position of Wind Source (degrees) Time to Raise Load (seconds) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average Uncertainty 0 53.91 54.34 1:07.97 54.66 58.44 57.86 Range: 14.06 sec. Human error possibility: movement 45 40.0 1:12.17 56.06 1:07.59 1:15.18 1:02.20 Range: 35.18 sec. Human error possibility: movement 90 1:30.43 1:29.16 1:04.91 1:23.35 1:20.43 1:21.66 Range: 25.52 sec. Human error possibility: movement 135 45.78 41.59 44.94 39.53 36.50 41.67 Range: 9.28 sec. Human error possibility: movement 180 35.22 37.56 37.31 32.38 33.09 35.11 Range: 5.18 sec. Human error possibility: movement Distance-Work Data Table Store-Bought Pinwheel Average Work Done = Force . Average Distance (N . m ) Mass of load (5 paperclips) = 0.00215 kg Force = Mass x 9.81(m/sec2) = 0.0210915 Newtons Position of Wind Source (degrees) Distance Paper Clips Were Raised (cm) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average Distance (meters) Average Work Done (N . m ) 0 61 61 61 61 61 0.61 0.013 45 61 61 61 61 61 0.61 0.013 90 61 61 61 61 61 0.61 0.013 135 61 61 61 61 61 0.61 0.013 180 61 61 61 61 61 0.61 0.013 Position vs. Power Data Table Store-Bought Pinwheel Position of Wind Source (degrees) Power=Average Work Done Divided By Average Time (W) 0 .0004782 45 .0003528 90 .0003519 135 .0002717 180 .00049 Distance-Work Data Table Home-Made Pinwheel Average Work Done = Force . Average Distance (N . m ) Mass of load (5 paperclips) = 0.00215 kg Force = Mass x 9.81(m/sec2) = 0.0210915 Newtons Position of Wind Source (degrees) Distance Paper Clips Were Raised (cm) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average Distance (meters) Average Work Done (N . m ) 0 61 61 61 61 61 0.61 0.013 45 16.5 38 61 61 61 0.475 0.010 90 61 61 61 61 61 0.61 0.013 135 61 61 61 61 61 0.61 0.013 180 61 61 61 61 61 0.61 0.013 Position vs. Power Data Table Store-Bought Pinwheel Position of Wind Source (degrees) Power=Average Work Done Divided By Average Time (W) 0 .0002246 45 .0001607 90 .0001591 135 .0003119 180 .0003702 Data Analysis and Discussion There is one main reason why I got the results I did from my experiments. I got these results because of the way the pinwheel is shaped to spin. For example, the home made pinwheel I shaped, not intentionally, to spin to the right and it had fewer blades than the store bought pinwheel, but the store bought pinwheel was manufactured to spin to the left. In addition, the store bought pinwheel had twice as many blades as the homemade pinwheel; therefore it was able to catch more wind from the hairdryer, making the averages of the store bought much higher than most of the home made pinwheel averages. Windmills, when they spin, produce energy via a generator. The windmills I constructed are the same way but without a generator. I was able to calculate the power the windmills generated by pulling up the five paperclips and by using the time they needed to pull the paperclips all the way to the top. My graph shows the power that was generated using the load pulled (2g) and the time needed to pull the load on a scatter plot graph. The line that is drawn between the points is the trend in increase or decrease of the data. On the x axis, the position of the wind source in degrees is shown. On the y axis, the power in watts that is being generated by the windmill pulling the paper clips. This graph is useful to me because it is an easy way to show which position and windmill produced more power. My results answer my original question with proof from the experiments; it shows that my hypothesis was incorrect. Regarding the store bought pinwheel, the power in watts goes down starting from 0 degrees but then spikes up at 180 degrees. The home made pinwheel goes down all the starting from 180 degrees to 0 degrees. I never stated in my hypothesis that it mattered which direction, whether left or right, it decreased from. / Conclusion My hypothesis was incorrect. I thought the more I moved the wind source from the center to one side of the turbine, the wind turbine would spin more slowly and produce less power. I expected the graph to show an upside down V. This was disproved with my trials. The trend line essentially formed a V, showing an increase in power produced with both pinwheels. Recommendations If someone does want to retry this project or study more in this field, I would give them the following advice. If someone wanted to retry this experiment, I would recommend that they try to eliminate all possible human and mechanical errors such as movement. They could try to make a stand for the hair dryer to ensure that it stays straight and at the same height for each test. Slight movements can make a difference in how the wind catches the blades of the pinwheel. For someone wanting to study in this field, I would recommend that they perform this experiment comparing pinwheels that were equally matched. That is, use pinwheels that have the same number of blades in the same direction. They could also test pinwheels made of different materials and compare them that way. If someone just wanted to know which pinwheel to buy to be most efficient, I would tell them to get one that is made out of sturdy material, has a lot of blades, and one that has blades that are perfectly shaped to catch the wind. Acknowledgements For this experiment, there are a few people that I would like to mention who helped me perform this experiment. First, this project took me about three hours in all to perform and many after that to organize the board and all of the data. Throughout those hours, my mother helped motivate me to get my project done, helped me perform my experiment. She gave me the knowledge of how to make a computerized graph and helped me when I struggled. I would also like to mention Mrs. Roy, my 8th grade science teacher, for giving me initial tips on what to do differently with my experiment to make it the best it could be.