If the liquid coming out of a pump is moving faster than the liquid entering the pump, the pressure of the incoming fluid will be reduced. This is the long-hand method of saying that there is insufficient Net Positive Suction Head (NPSH), reports William McNally. © 2004 Elsevier Ltd. All rights reserved.
McNally, W. (2004). Operating with a low NPSH. World Pumps, 2004(450), 27–28. https://doi.org/10.1016/S0262-1762(04)00141-5