Based on stress and cavity relationship of particles in gas-solid two phase flow field, quantitative correlation of pressure and density of pyrotechnic charges was deduced.
利用气固两相流颗粒间应力与空隙率之间的定量关系，推导了火工药剂压药压力与装药密度之间的定量关系。
How to choose the solid particles during gas-solid two-phase turbulent flow field measured by particle Dynamic Analyzer (PDA) is discussed in this paper.
本文研究了用三维粒子动态分析仪(PDA)测量气固两相湍流流场时固体粒子的选择问题。
Then the Lagrange particle track model and the uniphase coupling method are used to simulate the gas-solid two phase flow field in the centrifugal fan.
再采用拉格朗同颗粒轨道模型，利用单相耦合法模拟了风机内部的气固两相流场。
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