首页> 外文会议>International Conference on Scientific amp; Engineering Computation IC-SEC 2002 Dec 3-5, 2002 Singapore >NUMERICAL STUDY OF THE EFFECTS OF CHECK VALVE CLOSURE FLOW CONDITIONS ON PRESSURE SURGES IN COMPLEX FLUID SYSTEMS WITH AIR ENTRAINMENT
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NUMERICAL STUDY OF THE EFFECTS OF CHECK VALVE CLOSURE FLOW CONDITIONS ON PRESSURE SURGES IN COMPLEX FLUID SYSTEMS WITH AIR ENTRAINMENT

机译:单向阀关闭流条件对带有引气的复杂流体系统中压力脉动影响的数值研究

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摘要

A modified MOC method with variable time step has been proposed in this work to better compute the characteristics of pressure surges when check valves closed at different flow conditions in a complex fluid system. A numerical computational model for the transient fluid system with air entrainment is also implemented in this study. Gas absorption and release under transient pressure conditions are being considered in the present numerical computations.
机译:在这项工作中,提出了一种改进的具有可变时间步长的MOC方法,以更好地计算在复杂流体系统中在不同流量条件下止回阀关闭时的压力波动特性。这项研究还实现了带有空气夹带的瞬变流体系统的数值计算模型。在当前数值计算中考虑了瞬态压力条件下的气体吸收和释放。

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