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Wind Turbine Design and Construction - Lab Report Example
Engineering and Construction
Pages 4 (1004 words)
The wind turbine is can engineering device that is used to extract wind energy transforming it into mechanical energy (rotation) or other forms of energy such as electrical energy (Burton, Sharpe, Jenkins & Bossanyi,2001). …
In its very basic nature, the wind turbine consists of the rotating blades, a component that points the turbine to the wind, a system to convert the mechanical rotation of the blades into other forms of energy, the control system, as well as the start and stop mechanisms. There are two main wind turbine designs, the horizontal axis and the vertical axis designs (Spera, 2009).
Specifications of the Wind Device
For this project, the horizontal axis wind turbine (HAWT) is considered. The horizontal axis machine is preferred due to the fact that less cost is incurred in the foundation (as a fraction of the total cost) of the structure compared to its vertical axis counterpart (Veritas, 2001). This essentially makes HAWT cheaper in cost. The design is also preferred since it does not need to be pointed at the wind direction especially where the wind direction varies almost constantly. The wind turbine is expected to operate at room temperatures (between -200C to 400C). Operating beyond these temperatures may cause the wind turbine generator to work inefficiently or cause structural damage. Furthermore, at extremely low temperatures, the generator may need external power to internal heating.
The wind turbine should be ale to work efficiently at different wind speeds and directions. Very high wind speeds (beyond the survival speed) often lead to wind turbine damages according to Veritas (2001). ...
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