Homework Solution

TP 12-4

Given:

blade diameter = 20 ft

wind speed = 15 mph

Find:

maximum power output

Science:

P = (2.36 x 10^-6 ) D² v³

with D in ft; v in mph and P in kW

Solve:

P = (2.36 x 10^-6 ) (20)² (15)³

P = 3.19 kW