help,
Posted: Mon May 16, 2022 8:54 am
help,
Problem #2 An axial flow fan rotates thanks to a motor of 0.4kW of power that produces an air flow with a diameter of 0.8m and a speed of 12m/s flow velocity in front of the fan V1 is negligible. Determine how much work actually done by the fan produces motion in the air and how much work is done by the fan, is the efficiency of the fan. V = 0 Stream surface 27 Section (2) Control volume 12 mu's Fan Fan motor D = 0.6 m
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