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请问各位大佬,我做一个R134A的流动沸腾,想复现一篇文章,用的是MIXTURE模型,LEE模型,蒸发冷凝系数给定为1500-5500.而且文献里时间步长给的也很小0.01。然后我按照文献设置发现很快就发散了,调小时间步数就不会发散,请问是因为我的网格问题嘛? 还有请问,我想得到换热系数随干度变化的曲线,请问干度怎么去得到呢?Fluent 里只能得到体积分数。 有无做流动沸腾的大佬,想有偿请教
这篇文献 Numerical investigation of flow boiling characteristics of R134A in a smooth horizontal tube 求助各位大佬
还有为什么在相同边界条件下,NIXTURE模型加表面张力和不加表面张力,收敛性差距很大?有人说MIXTURE可以不用开启表面张力正确吗?请问各位大佬!