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为了解决水击压强计算问题,必须首先建立水击计算的基本方程,针对当前部分教科书和文献中用于水击计算的连续性方程和运动方程的公式推导过程中存在的问题,本研究从理论的严谨性和正确性考虑,未引入水击波速的概念,严格从一元非恒定流的基本方程和基本假定出发,重新推导了用于水击计算的连续方程和运动方程。
In order to solve the calculation problem of water hammer pressure, we must first establish the basic equation of water hammer calculation, aiming at the problems existing in formula derivation of continuity equation and motion equation used in current textbooks and literature for water hammer calculation, Considering the rigor and correctness of water hammer, the concept of water hammer wave velocity is not introduced. Based on the basic equations and basic assumptions of univariate unsteady flow, the continuous equation and the equation of motion for water hammer calculation are deduced again.