Answer to Question #129160 in Physical geography for Juanita

Question #129160
A wind turbine has a 1mw rated power output at standard air density(20°c,1atm). Evaluate the effect of change of power production if the turbine operates at a freezing temperature of -10°c.
1
Expert's answer
2020-08-17T10:56:47-0400

The density of air at 20°C is 1.2041 kg/ cubic meter, while at -10°C it is 1.3413 kg/m3. Higher density leads to lower turbine starting speeds and thus increases efficiency of a turbine. The increase in this problem will be


It means that the power output at -10°C will be 1.114 MW.


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