AIR-OIL TWO-PHASE FLOW CHARACTERISTICS ON SHELL-SIDE OF TEMA-F HEAT EXCHANGER

杨小琼; 王启杰; 王伟; 李维; 罗来勤

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AIR-OIL TWO-PHASE FLOW CHARACTERISTICS ON SHELL-SIDE OF TEMA-F HEAT EXCHANGER

更新时间：2025-12-16

- AIR-OIL TWO-PHASE FLOW CHARACTERISTICS ON SHELL-SIDE OF TEMA-F HEAT EXCHANGER
- CIESC Journal Issue 6, (1994)
- 作者机构：
  
  西安交通大学动力系!西安710049,西安交通大学动力系!西安710049,西安交通大学动力系!西安710049,西安交通大学动力系!西安710049,西安交通大学动力系,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q021
- Online First：25 December 1994，
  
  Published：25 December 1994
- 稿件说明：
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杨小琼, 王启杰, 王伟, et al. AIR-OIL TWO-PHASE FLOW CHARACTERISTICS ON SHELL-SIDE OF TEMA-F HEAT EXCHANGER[J]. CIESC Journal, 1994, (6).
DOI：

杨小琼, 王启杰, 王伟, et al. AIR-OIL TWO-PHASE FLOW CHARACTERISTICS ON SHELL-SIDE OF TEMA-F HEAT EXCHANGER[J]. CIESC Journal, 1994, (6). DOI：

摘要

1 弓I言近年来国内外对管壳式壳侧两相流动的研究正在逐步开展’‘-‘’

但现有的研究均以具有单程壳体的TEMA-E型换热器为对象

尚末对石油化工中使用的TEMA-F型换热器（具有1个纵向折流板

把壳体分为2个壳室）进行研究.本文在较宽广的实验参数范围内

对空气-柴油两相混合物在TEMA-F型理想换热器模型中的流动特性进行了较系统的实验研究.2 实验装置、测试系统及实验方法在空气-油两相流动特性试验台上进行实验

实验系统见图1.试验用理想换热器模型示于图2

模型中换热管与横向折流板、横向折流板与壳体之间无间隙

为防止边壁的旁通泄漏

还安装了非整圆假管.当纵向折流板垂直放置时

换热器左右对称

故图2中试验元件只给出整个换热器的一半（见图中实线部分）

试验元件用有机玻璃制造.在前、后端面上观察流型.平均截面含气率用快速关闭阀门法测量. “PAsTg 123 4 图1 实验系统图2 换热器模型立体图 Fig.IExperlmental flow loop Fig.2 Heatexchanger model 1一空气压缩机;2一空气稳压器;3一空气冷却器;l一壳;2一纵向折流板;3一横向折流板;4一换热管 4一油箱;5一气液分离器;6一油流量计;7一试验段;8一空气流量计;9一油稳压计J一油泵3 实验结果及讨论3.l 两相流型及其转变3.1.1 流型划分在本文实验

Abstract

An experimental study was conducted to determine flow patterns and their transitions on the shell -side of a TEMA -F model heat exchanger using an air -oil mixture. Flow patterns were obtained. Dimensionless correlations for determining flow regime transitions and new correlations for predicting void fraction and two - phasee pressure drop in the window zone were presented.

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