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A centrifugal water pump is driven at a speed of 1450 rpm. The pump impeller...

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Mechanical Engineering

A centrifugal water pump is driven at a speed of 1450 rpm. The pump impeller is of radial type and has an average radius of 50 mm at the vane inlet and a radius of 150 mm at the vane exit. The vane width at inlet and exit are 25 and 10 mm respectively. The vane angles are ?1 = 500 and ?2 = 300. Assuming no prerotation at inlet and neglecting all sources of losses, determine

a. the volume flow rate

b. the output fluid power

c. the static pressure rise through the impeller.

 

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