Calculate the power required to operate the fan

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A wind tunnel with a test section 1 m = 2 m is powered by an axial fan 1.5 m in diameter. The velocity in the test section is 20 m/s, and the rotational speed of the fan is 2500 rpm. Assuming negligible losses in the tunnel and a performance curve for the fan defined by Fig. 12.13:

(a) Calculate the power required to operate the fan.

(b) What is the pressure rise across the fan?

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Reference no: EM131261203

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