What is the maximum height the pump can be installed

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Reference no: EM13320267

A particular mixed flow pump is operating just below the point of cavitation. The pump is sited with its intake 3 m above the water level in the reservoir and delivers 0.05 m3/s. The total head at the inlet to the pump is -7 m. (Atmospheric pressure is 101.4 kN/m2 and vapour pressure is 1.82 kN/m2.)

An identical pump is to be installed at a higher reservoir, where the atmospheric pressure is 93.4 kN/m2 and vapour pressure is 1.2 kN/m2. It will be required to operate at the same discharge and head. What is the maximum height the pump can be installed above the water level to ensure cavitation free operation?

Reference no: EM13320267

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