In two-phase oil and gas flow, the calculation of pressure drop and liquid holdup 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。
This article mainly introduces the prediction method of the flow pattern, pressure gradient and liquid holdup 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。
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 liquid holdup.
通过对试验结果的统计分析可以得出：①可以利用段塞流持液率的波动情况来确定液塞频率。
Technological calculation in a hilly multiphase pipe flow includes flow pattern prediction , liquid holdup and pressure drop calculation and temperature prediction.
多相管路的工艺计算包括流型判别，持液率和压降、温降的计算。
The theoretical analyses of the hydrodynamics under a strong interaction flow regime were conducted and data of the bed averaged dynamic liquid holdup were obtained.
对气液强相互作用下滴流床反应器内的流体动力学进行了分析讨论。
Liquid holdup plays an important role in the technology calculation of multi - phase flow. All kinds of correlations always are concluded by the experiment data or field data.
持液率计算在多相流工艺计算中占有重要的地位，各种相关式都是依赖于实验或现场数据得出的经验或半以验相关式。
Liquid holdup plays an important role in the technology calculation of multi - phase flow. All kinds of correlations always are concluded by the experiment data or field data.
持液率计算在多相流工艺计算中占有重要的地位，各种相关式都是依赖于实验或现场数据得出的经验或半以验相关式。
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