Difference between revisions of "Wind Energy - Physics"

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== Wind Power  ==
 
== Wind Power  ==
  
The power ''P ''of a wind-stream, crossing an area ''A ''with velocity ''v ''is given by <br>
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The power ''P ''of a wind-stream, crossing an area ''A ''with velocity ''v ''is given by <br>  
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<math>P=\frac{1}{2}\rho A v^3</math> <br>
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<math>P=\frac{1}{2}\rho A v^3</math> <br>
 
  
 
It varies proportional to air density&nbsp;<math>\rho</math>, to the crossed area ''A ''and to the cube of the wind velocity ''v''.&nbsp;
 
It varies proportional to air density&nbsp;<math>\rho</math>, to the crossed area ''A ''and to the cube of the wind velocity ''v''.&nbsp;

Revision as of 17:27, 16 May 2011

Wind Power

The power P of a wind-stream, crossing an area A with velocity v is given by



It varies proportional to air density Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \rho} , to the crossed area A and to the cube of the wind velocity v