| 垂直管中管径突变对空气-水两相流流型的影响（Ⅰ）突缩接头 |
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| 引用本文： | 杨英珍,李广军,周芳德,陈学俊.垂直管中管径突变对空气-水两相流流型的影响（Ⅰ）突缩接头[J].中国化学工程学报,2001,9(1):116-119. |
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| 作者姓名： | 杨英珍 李广军 周芳德 陈学俊 |
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| 作者单位： | TheStateKeyLaboratoryofMultiphaseFlowinPowerEngineering,Xi＇anJiaotongUniversity,Xi＇an710049,China |
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| 基金项目： | the National Natrual Science Foundation of China (No. 59236130). |
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| 摘 要： | Flow patterns upstream and downstream of a sudden-contraction cross-section in a vertical straight pipe were presented. By comparing with flow patterns in uniform cross-section vertical tubes, the effect of the sudden change in pipe diameter on flow patterns was analyzed. Flow pattern transition mechanisms were discussed and transition criteria for flow pattern transitions were deduced accordingly using the dimensional analysis.
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| 关 键 词： | 垂直管 管径突变 空气-水两相流 流型 影响 突缩接头 化工过程 流体力学 |
| 修稿时间： | |
The Effect of Sudden Change in Pipe Diameter on Flow Patterns of Air-Water Two-Phase |
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| YANG Yingzhen,Li Guangjun,ZHOU Fangde,CHEN Xuejun.The Effect of Sudden Change in Pipe Diameter on Flow Patterns of Air-Water Two-Phase[J].Chinese Journal of Chemical Engineering,2001,9(1):116-119. |
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| Authors: | YANG Yingzhen Li Guangjun ZHOU Fangde CHEN Xuejun |
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| Abstract: | Flow patterns upstream and downstream of a sudden-contraction cross-section in a vertical straight pipe were presented. By comparing with flow patterns in uniform cross-section vertical tubes, the effect of the sudden change in pipe diameter on flow patterns was analyzed. Flow pattern transition mechanisms were discussed and transition criteria for flow pattern transitions were deduced accordingly using the dimensional analysis. |
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| Keywords: | gas-liquid two-phase flow flow pattern sudden-contraction cross-section |
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