The Rayleigh distribution functions for different mean
wind speeds are shown in Figure 6.42 (see...

Question

The Rayleigh distribution functions for different mean
wind speeds are shown in Figure 6.42 (see Appendix D). The curve moves to the
right for greater mean wind speeds (also greater values of the shape parameter 

(a), which means more days have high winds—hence
potentially more wind energy revenue). The wind speed frequency distributions
shown in Figure 6.43 are obtained from wind speed data for a year of 10 minute
means for two sites with similar average wind speed. 

(i) Compute the mechanical power generated for an hour of
operation assuming v = 12m s and the air density is 1.2 kg/m3.

Dr Shweta · Accepted Answer

Solution
The mechanical power generated for an hour of operation assuming v = 12m /s and the air density 1.2 kg/m3 is calculated using the following formula: 
 P = 1/2ρAv3Cp --------- [1]
Here, P is the mechanical power generated,
ρ= air density = 1.

The Rayleigh distribution functions for different mean wind speeds are shown in Figure 6.42 (see Appendix D). The curve moves to the right for greater mean wind speeds (also greater values of the...

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