| 1. | Flow characteristic of gas - liquid two - phase annular flow through annular narrow passage
环形狭缝通道内气液两相环状流流动特性 |
| 2. | Analysis of two - phase annular flow convective evaporation in horizontal microfin - tube
水平微翅管内环状流两相强制对流蒸发换热的计算模型 |
| 3. | Heat transter characteristics of the non - boiling annular two - phase flow in a small vertical tube
细小竖管内非沸腾气液两相环状流换热特性分析 |
| 4. | Churn flow and annular flow are common flow patterns encountered in gas - liquid systems through conduits
摘要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。 |
| 5. | The accuracy of flow pattern identification of stratified flow , annular flow , core flow and homogeneous flow is more than 95 % and the time for flow pattern identification is less than 0 . 15 second
对于均相流、层状流、核心流和环状流等流型辨识的准确率高于95 ，判别一个流型耗时小于0 15秒。塞状流的辨识准确率高于90 。 |
| 6. | The static and dynamic test results showed that the new method is effective and the identification results of stratified flow , annular flow , core flow and plug flow are satisfied for the requirements of the industrial operation online
该方法与传统流型识别方法相比的最大特点是简便易行，对于层状流、环状流、核心流以及塞状流均有较好的识别结果。 |
| 7. | In this paper , the transition from churn flow to annular flow for upward gas - liquid in vertical concentric annulus is studied and a transition model is developed by considering the structural feature of the concentric annulus and the flow characteristics for churn and annular flows in the concentric annulus
根据团状流及环状流的流动特性，并考虑同心环形管的结构特徵，建立了垂直同心环形管上升气液团状流向环状流转换的新的理论模型。 |
| 8. | Based on these models , the differential pressure fluctuation signals of gas - liquid two - phase flow under different flow regimes in various diameter pipelines are analyzed . experimental results show that the autoregressive orders of bubble flow and annular flow are bigger than that of slug flow
对不同管径不同流型下的差压波动信号进行了建模，在此基础上分析得出：弹状流流型下arma模型的阶数n最小，泡状流和环状流流型下的arma模型阶数n较大。 |
| 9. | The experimental results show that the method is effective to identify the flow patterns of bubbly , plug , stratified , wavy , slug and annular in a horizontal pipe . the identification accuracy is shown as follows : bubbly flow is 93 . 3 % , plug flow is 85 . 3 % , stratified or wavy flow is 97 . 3 % , slug flow is 98 . 6 % , and annular flow is 92 . 7 % . an estimation of the process time is 22 frame / s
实验结果表明，该方法能自动有效地识别水平管道内的气泡流、塞状流、层状流、波状流、弹状流和雾环状流等基本流型；识别准确率如下：气泡流为93 . 3 ，塞状流为85 . 3 ，分层流为97 . 3 ，弹状流为98 . 6 ，雾环状流为92 . 7 ；识别图像速度约为22帧秒，适合于在线实时识别两相流流型。 |
