The issue of cavitation head in pumps
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In the evaporation process, the saturated vapor pressure is 57 Kpa. If the net positive suction head available of the pump chosen is 4 m, what liquid level height is required to prevent cavitation in the pump? How to understand the net positive suction head of a pump?
To calculate the net positive suction head available (NPSHa) of the pumping unit, it is necessary to ensure that NPSHa is at least 0.6 m greater than the required net positive suction head (NPSHr) for the pump