The Aerodynamic Performance Of A Wind Turbine

As a result of the experiment and computation of data, the aerofoil was found to have a critical Mach number of M=0.732. Below this freestream Mach number the Prandtl-Glauert law predicted results very

[1] Queen Mary University of London, DEN233, Low Speed Aerodynamics, Lab Handout, November 2013, (Accessed on 13th November 2013)

​Energy is considered as one of the most important factor to run the world. Most of the energy or large part of it are generated by the fossil fuel, which are being used from a long time which are causing a major problem in environmental and the damage done is not reversible. As the fossil fuel are damaging and are also limited in quantity available, so the need of alternate energy was needed. Wind energy is considered as low effects on the environment and growing faster day by day which is considered as quarter in last few decades. The process of capturing is considered as easy as and less damaging than the other energy sources. Wind power is taken

The following report is based on an experiment conducted to calculate the lift curve slope for a symmetrical aerofoil subjected to varying angles of attack. Pressure readings were taken at different points on the upper and lower surface of the aerofoil. The report concludes that maximum lift is generated between 12 º -15º, which is also the stall point. It also states that region close to the leading edge contributes most to the lift force.

In 2 years of launch of ‘Sputnik’ by Soviet, US considered use of Stirling machine in space missions. By then Radioisotope Power Systems, in the form of Radioisotope Thermoelectric Generators (RTG), have been used successfully on many NASA missions including Apollo, Viking, Voyager, and Galileo.

fuel mixture, the bigger the bang becomes. A turbo charger forces so much air into the mixture in

The lab tested various properties associated with wind turbines while measuring the effect on the power. It was shown that wind turbines can supply a significant amount of energy and power. This wind energy has an important application with wind turbines across windy areas of the United States. These turbines can provide power as a replacement for nonrenewable resources. Although wind energy might not be the most vital form of energy currently, it could become a very important alternate energy source in the near future. Wind turbines can be placed all across the United States wherever there is a strong amount of wind. When talking about implementing wind energy there are a lot of things to think about.

A wind turbine looks and works like a giant fan, but difference is turbines uses wind to make electricity, while a fan uses electricity to make wind. The size and model of a turbine depend specifically on the area in which it will be used. A turbine is made up of an 80 meter steel tower that is secured into the ground by steel rebar and concrete. Three large blades are attached to the hub, which is the center of the rotor. The hub directs energy from the blades into the generator. The energy then is transported to the nacelle. The nacelle is a container that houses the gearbox, low shaft, high speed shaft, controller, generator, and break. The blades cut through the air and distort the wind force, which can affect another turbine in another spot, so spacing is important. In one square kilometer can fit twenty wind turbines. The distance between the blades depend on size of turbines and geographical area.Wind turbines are usually 300 meters apart, or seven rotor diameters apart. Rotor diameter refers to the amount of area swept by the

Everyone knows that the wind is one of the most significant factor of weather and climate because of its role in influencing the distribution of energy and moisture between the parts of the globe. Recently, people have begun to exploit the wind energy which is witnessing the fastest growth in the world. In fact, this source of energy is growing rapidly in all parts of the world. So, most of governments are trying to use wind power for different aspects. In addition, two decades of efforts to achieve technical progress has led to the production of very sophisticated wind turbines which are adjustable, easy and quick to install. Wind power may have many disadvantages, but the advantage of wind energy is more than the disadvantages. So, there are many environmental advantages of wind power such as renewable source, reduction of greenhouse gases, reduction of water consumption, and taking a small space in the land.

There are some requirements that are needed to make wind power a successful source of energy.

Optimum use of renewable source of energy like Wind can be considered as one of the answer to rapid increase in the demand of energy worldwide. Using the current technological advancements it is commercially viable to use the wind power as a source of energy for small scale to large scale industry.All kind of renewable source are highly dependent on environmental conditions and can not be controlled fully. Due to this inherent characteristics, power generation may vary. In the

Although wind power is completely free and will never be depleted, a concern shared by many is the sheer impossibility of sustaining the wind. Because of this inconsistency and the ever-changing speeds of wind, power is producing at varying levels. Also, wind turbines have a certain “envelope” in which they operate. According to the author of the website mentioned above, this range is from 10 to 33 miles per hour. A

This report aims to investigate the effect the angle of attack of an aerofoil has on the air flow around it. This was done by recording the lift and drag forces the aerofoil experienced when positioned at different angles of attack. The experimental lift force the aerofoil experienced when positioned at different angles of attack was then compared with theoretical values. An attempt was made to explain any discrepancies between experimental and theoretical values.

In the society we live in today, many people have the misconception that there is a never-ending supply of energy available for our wasteful use. However, people must realize that the fossil fuels that we have come to depend on for our energy are quickly being depleted. There are several renewable energy resources, most of which come from the sun, that are available for our use. One of these abundant energy resources is the wind. By taking advantage of the wind, and harnessing its power to supply useful energy, people can ensure that they will have energy for as long as the sun continues to heat the earth.

Deal, 2010, ‘Wind Power: An Emerging Energy Resource’, Technology and Engineering Teacher, pp. 9-15, viewed on September 12, 2011, retrieved from: http://search.proquest.com/docview/853062621/fulltextPDF/13255EC175479D10C7A/1?accountid=42518