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本文对已有解决这个问题的资料,提出商榷的意见;导出颗粒群与流体之间的动量交换方程;分别导出颗粒在水平与铅直两个方向运动方程式。
In this paper, we put forward some suggestions on the existing data to solve this problem. We derive the momentum exchange equation between particle swarm and fluid. We derive the motion equations of particle both horizontally and vertically.