| 气液两相流沿垂直向下横掠水平管束时的流型及其转变特性 |
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| 引用本文： | 徐国平,王启杰.气液两相流沿垂直向下横掠水平管束时的流型及其转变特性[J].化工学报,1993,44(2):250-253. |
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| 作者姓名： | 徐国平 王启杰 |
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| 作者单位： | 西安交通大学动力系,西安交通大学动力系,西安交通大学动力系 西安710049
,西安710049
,西安710049 |
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| 摘 要： |
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| 关 键 词： | 气液两相流 换热器 流型 |
Gas -LIQUID TWO PHASE FLOW PATTERNS ANDTHEIR TRANSITION CHARACTERISTICS IN VERTICAL DOWNFLOW ACROSS A HORIZONTALTUBE BUNDLE |
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| Xu Guoping,Wang Qijie and Yang Xiaoqiong.Gas -LIQUID TWO PHASE FLOW PATTERNS ANDTHEIR TRANSITION CHARACTERISTICS IN VERTICAL DOWNFLOW ACROSS A HORIZONTALTUBE BUNDLE[J].Journal of Chemical Industry and Engineering(China),1993,44(2):250-253. |
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| Authors: | Xu Guoping Wang Qijie and Yang Xiaoqiong |
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| Abstract: | In the present work, an experimental research was carried out on the air-water two phase flow patterns and their transition characteristics in the shell-side of a segmentally baffled horizontal shell -tube heat exchanger model of horizontally-cut baffles. In the inlet crossflow zone, the two -phase flow was in vertical downflow across an in-line (square) horizontal tube bundle with a pitch to diameter ratio. p/D of 1. 28. The flow pattern sketch was obtained by visual observation. The flow pattern transition characteristics and their criteria were presented and dimensionless correlations for determining flow patterns were established. |
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| Keywords: | gas-liquid two-phase flow shell-tube heat exchanger Flow pattern transition characteristics |
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