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各位大佬,我最近需要使用PBM模型对微小气泡在溶液中的聚并、破裂等行为进行模拟,但是Fluent自带的聚并、破碎模型计算结果与实验相差较大。请问有什么解决办法? 还有就是PBM模型里面的Growth Rate是计算气泡生长的吗?
微小是多大尺度,另外你的物理场里边合并破碎主要由什么效应主导的需要明确一下,luo模型只考虑了小于气泡尺度的湍流和气泡碰撞引起的气泡破碎,这个气泡需要大于柯尔莫戈夫尺度