Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow.
模型是建立在压力能量消耗率最小的原理上的，其基本原理是：在气-液两相流的流型中，环状流具有相当稳定的流动状态。
The void fraction of annular two-phase flow inside cylinder is analyzed.
对圆管内环状两相流的空泡份额进行了分析。
In the annular gap scrubber, there exists complicated three-dimensional compressible flow associated with the two phase flow and heat transfer between gas and water particle.
环缝洗涤器内是一个高速可压缩三维流动过程，并伴随有高炉煤气和雾化水滴的两相流动传热。
A theoretical analysis was carried out for evaporative heat transfer of annular two phase flow of liquid film and high velocity air in vertically heated tubes.
通过理论分析，研究了竖直传热管内降膜-高速空气环状两相流的蒸发换热特性。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
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