立式热虹吸再沸器HTRI结果求助

wu5584774

模拟了一个热虹吸再沸器，再运行信息（runtime message)里面有如下段话，请教各位什么意思，如何调整解决这个问题，谢谢！
Thermosiphon instability calculations indicate that the system is stable; the ratio of threshold to actual liquid inlet velocity us 0.0845. An increase in heat duty or reduction in flow rate may result in an unstable situation.

xsahh

百度翻译一下，你就知道了