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Wind Energy
Available wind energy
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Available wind resources as a function of yearly average wind velocity and different typical terrains are indicated in the diagram below.
The resources refer to the power present in the wind at level 50 m. Be aware that wind turbine efficiency is typical 20-30%.
Example - Available Wind Resources
The wind power resources at a sheltered location with average wind velocity 5 m/s is aprox. 140 W/m2 from the diagram above. The available energy output from a wind turbine with efficiency 25% and a operation time 8000 hour a year can be calculated like
(140 W/m2) (25/100) (8000 h/year)
= 280000 (Wh/m2year)
= 280 (kWh/m2year)
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Related Topics
- Environment - Climate, Meteorology, Sun, Wind and environmental resources ..
- Fluid Mechanics - The study of fluids - liquids and gases. Involves various properties of the fluid, such as velocity, pressure, density and temperature, as functions of space and time.
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