In two-phase oil and gas flow, the calculation of pressure drop and liquidholdup plays an important rule in technological calculation.
在油气两相管流中，压降和持液率的计算在工艺计算中占有重要的地位。
2
This article mainly introduces the prediction method of the flow pattern, pressure gradient and liquidholdup of two phase flow in horizontal pipelines.
本文着重介绍水平管中这种两相流动的流动型态、压力梯度和持液率的预测方法。
3
Through the statistical analysis of the test results, it was found that we could obtain the liquid slug frequency from the fluctuation of the slug liquidholdup.