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通过拍门削减泵系统瞬变过程中两处断流弥合水锤的试验，分析探讨了拍门降低各处水锤压力的机理和效果．结合边界条件编制的电算程序，计算结果与实测曲线吻合良好．
This paper analyzes the mechanism and effect of using the door to reduce the pressure of water hammer in different parts of the pump system by reducing the pressure of water hammer during the transient process of the pump system. Computation of the boundary conditions of the computer program, the calculated results and measured curve in good agreement.