Difference between revisions of "Wind Energy - Physics"
From energypedia
***** (***** | *****) |
***** (***** | *****) |
||
Line 1: | Line 1: | ||
== Wind Power == | == Wind Power == | ||
− | The power ''P ''of a wind-stream, crossing an area ''A ''with velocity ''v ''is given by <br> | + | 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> <br> | ||
+ | |||
− | |||
It varies proportional to air density <math>\rho</math>, to the crossed area ''A ''and to the cube of the wind velocity ''v''. | It varies proportional to air density <math>\rho</math>, to the crossed area ''A ''and to the cube of the wind velocity ''v''. |
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 , to the crossed area A and to the cube of the wind velocity v.