AN INVESTIGATION ON LIQUID ENTRAINMENT ANDHEAT TRANSFER DETERIORATION IN FALLINGFILM EVAPORATION IN A VERTICAL TUBE

Zhang Ming yuan; Liu Yaoqi; Cheng Xuejun and Ma Weimin(Institute of Engineering Thermophysicas Xian Jiaotong University; Xian 710049)Wang Wenzhi(Chemical Mechinery Research Institute; Lanzhou 730060)

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AN INVESTIGATION ON LIQUID ENTRAINMENT ANDHEAT TRANSFER DETERIORATION IN FALLINGFILM EVAPORATION IN A VERTICAL TUBE

更新时间：2025-12-16

- AN INVESTIGATION ON LIQUID ENTRAINMENT ANDHEAT TRANSFER DETERIORATION IN FALLINGFILM EVAPORATION IN A VERTICAL TUBE
- CIESC Journal Issue 2, (1993)
- 作者机构：
  
  西安交通大学工程热物理研究所,西安交通大学工程热物理研究所,西安交通大学工程热物理研究所,西安交通大学工程热物理研究所,化工部化工机械研究院西安710049,西安710049,西安710049,西安710049,兰州,730060
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 April 1993，
  
  Published：25 April 1993
- 稿件说明：
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Zhang Ming yuan, Liu Yaoqi, Cheng Xuejun and Ma Weimin(Institute of Engineering Thermophysicas Xian Jiaotong University, et al. AN INVESTIGATION ON LIQUID ENTRAINMENT ANDHEAT TRANSFER DETERIORATION IN FALLINGFILM EVAPORATION IN A VERTICAL TUBE[J]. CIESC Journal, 1993, (2).
DOI：

Zhang Ming yuan, Liu Yaoqi, Cheng Xuejun and Ma Weimin(Institute of Engineering Thermophysicas Xian Jiaotong University, et al. AN INVESTIGATION ON LIQUID ENTRAINMENT ANDHEAT TRANSFER DETERIORATION IN FALLINGFILM EVAPORATION IN A VERTICAL TUBE[J]. CIESC Journal, 1993, (2). DOI：

摘要

对垂直管内蒸汽和水逆向流动时的降膜蒸发、蒸汽夹带液体及传热恶化特性进行了详细的试验研究

发现降膜蒸发管工质入口端的壁温首先突然升高和出现波动.通过分析其机理和影响因素

给出了传热恶化的预测关系式.

Abstract

An extensive experimental investigation was made on liquid entrainment in vapor and heat transfer deterioration in falling film evaporation in a vertical tube with vapor up-flowing. It was discovered that the wall temperature in the inlet rose abruptly and fluctuated with increasing heat flux. A prediction correlation for heat transfer deterioration was developed by analyzing the mechanism and the influence factors.

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