Air enters a fan through a duct at a velocity of 6.5 m/s and an inlet static pressure of 2.5 cm H2O less than atmospheric pressure. The air leaves the fan through a duct at a velocity of 11.5 m/s and a discharge static pressure of 7.62 cm H2O above the atmospheric pressure. If the specific weight of air is 1.20 kg/m3 and the fan delivers 9.45 m3/s, determine the fan theoretical power and the fan efficiency when the power input to the fan is 13.75 kW at the coupling?

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A: Given data as per question velocity of air in the inlet duct=6.3 msstatic pressure of fan inlet…

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A:

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.