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依据“分离流线影响区域”理论对两相流在Ｔ型和Ｙ型分叉管中的相分离现象进行数值模拟，参照国外发表的实验结果，进行了数值对比，总的结果表明较为理想。同时通过计算发现分叉管的分叉角度对两相流的相分离程度有着一定的影响，并作了相应的分析。另外还对入口参数Ｘ１对相分离效果的影响进行了计算和分析。
The phase separation of two-phase flow in T-type and Y-type bifurcated tubes was numerically simulated according to the theory of “separation flow and influence area”. The numerical results were compared with the published experimental results in foreign countries. The overall results show that the two phases are ideal. At the same time, we found that the bifurcation angle of bifurcation tube has certain influence on the degree of phase separation of two-phase flow, and makes a corresponding analysis. In addition, the effect of entrance parameter X1 on the phase separation effect is also calculated and analyzed.