本文详细给出了气液两相流动双流体模型下的各控制方程组和相间作用力,通过将气泡引起的紊流与剪切引起的紊流线性叠加给出了气液两相流动的紊流模型.通过给出的边界条件,采用ITA-IPSA算法对垂直上升的气液两相流横向冲刷方柱引起漩涡交替脱落的过程进行了数值模拟,得到了流场和局部含气率变化的示意图,数值模拟与试验的结果基本一致.
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