Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation

李成; 李俊明

doi:10.1016/S1004-9541(11)60076-1

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Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation

Updated：2026-01-06

- Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation
- Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation
- 中国化学工程学报（英文版） 2011年19卷第6期页码：944-954
- Affiliations：
  
  Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
  
  Supported by the National Basic Research Program of China (2011CB706904);Beijing Natural Science Foundation (3071001)
- DOI：10.1016/S1004-9541(11)60076-1
  中图分类号：
- 纸质出版：2011
- Accepted：
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李成, 李俊明. Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation[J]. 中国化学工程学报（英文版）, 2011,19(6):944-954.

LI Cheng, LI Junming. Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation[J]. , 2011, 19(6): 944-954.
李成, 李俊明. Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation[J]. 中国化学工程学报（英文版）, 2011,19(6):944-954. DOI： 10.1016/S1004-9541(11)60076-1.

LI Cheng, LI Junming. Laminar Forced Convection Heat and Mass Transfer of Humid Air across a Vertical Plate with Condensation[J]. , 2011, 19(6): 944-954. DOI： 10.1016/S1004-9541(11)60076-1.

摘要

Abstract

Condensation of humid air along a vertical plate was numerically investigated

with the mathematical model built on the full boundary layer equations and the film-wise condensation assumption. The velocity

heat and mass transfer characteristics at the gas-liquid interface were numerical analyzed and the results indicated that it was not reasonable to neglect the condensate film from the point of its thickness only. The condensate film thickness

interface temperature drop and the interface tangential velocity affect the physical fields weakly. However

the subcooling and the interface normal velocity were important factors to be considered before the simplification was made. For higher wall temperature

the advective mass transfer contributed much to the total mass transfer. Therefore

the boundary conditions were the key to judge the rationality of neglecting the condensate film for numerical solutions. The numerical results were checked by comparing with experiments and correlations.

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