本文提出一种气固两相流中计算颗粒-颗粒碰撞新模型.该模型提出一种碰撞概率新概念,与已有模型相比,新模型对碰撞概率的思考另辟蹊径,由所得公式可以确定影响碰撞概率大小的因素.此外,该模型提出在所研究控制体中选择虚拟颗粒的方法,特别是对虚拟颗粒的粒径、速度和随机数之间提出相关性准则.它弥补了以往模型的缺陷.经过计算,验证了新模型的合理性.
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