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  
+
The power ''P ''of a wind-stream, crossing an area ''A ''with velocity ''v ''is given by <br>
  
<math>P=\frac{1}{2}\rho A v^3</math>  
+
<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 17:26, 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 , to the crossed area A and to the cube of the wind velocity v