Heat and mass transfer during condensation in a vertical channel under mixed convection

被引：0
|
作者：
A. Belhadj Mohamed
J. Orfi
C. Debissi
S. Ben Nasrallah
机构：
[1] Université de Monastir,Laboratoire d’Etudes des Systèmes Thermiques et Energétiques, Ecole Nationale d’Ingénieurs de Monastir
来源：
Heat and Mass Transfer | 2007年 / 43卷
关键词：
Heat Flux; Nusselt Number; Mixed Convection; Vapor Concentration; Inlet Velocity;
D O I：
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学科分类号：
摘要：
The problem of condensation by mixed convection in a vertical channel has been numerically analyzed for an air water system. The plates of the channel are subjected to uniform but different heat fluxes. The effects of ambient conditions on the condensation process are investigated. The results show particularly the existence of a particular temperature called inversion temperature for condensation. This temperature is defined as the temperature above it the condensation rate is higher for a lower vapor concentration. It was found that this temperature increases with the increase of the ambient pressure and decreases with the cooling heat flux.
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页码：851 / 861
页数：10
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