有件事情首先必须注意，当粒子和物体发生碰撞的时候，粒子旋转通常不发生改变。
One thing you may notice when particles collide with objects is that their rotation doesn't change after a collision.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型，考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响，数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
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