In air and mist drilling, annular carries are the typical of gas, liquid and solid multiphase flow, and its mechanism and principles are very complicated.
在空气雾化钻井中，井眼环空携岩流动是一种典型的气、液、固多相流动，其机理和规律十分复杂。
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。
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。
Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits.
对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。
In this paper, the prediction of void fraction and pressure drop for upward gas-liquid annular flow in a vertical annulus is studied.
对垂直同心环形管内上升气液环状流的截面含气率及压降预测进行了研究。
The electromagnetic flow-measurement in the annular channel of the liquid-metal loops was investigated.
本文研究了在液态金属回路中环形流道的电磁流量测量问题。
The flicked liquid metal is retained by the annular and tapered cushioning and retaining ring to drop on the metal collecting tray and flow into a metal cooling trough for aggregation.
甩出的液态金属被环锥形缓冲阻挡圈阻挡，落入金属收集盘并流入金属冷却槽聚集。
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。
Comparison of simulation results with experimental data implies that present model can well describe upward gas-liquid annular flow.
模拟结果与实验结果的对比表明本模型适于这种流动的计算。
Comparison of simulation results with experimental data implies that present model can well describe upward gas-liquid annular flow.
模拟结果与实验结果的对比表明本模型适于这种流动的计算。
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