Modeling of the heat transfer in cross-flow heat exchangers

被引：2
|
作者：
Kaminskii, VA
Nikulin, RM
机构：
[1] Russian State Sci Ctr, Karpov Inst Phys Chem, Moscow 103064, Russia
[2] OAO Nizhnekamskii NPZ, Nizhnekamsk 423574, Tatarstan, Russia
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2006年 / 40卷 / 01期
关键词：
Heat Transfer; Heat Flux; Heat Exchanger; Dimensionless Parameter; Flow Resistance;
D O I：
10.1134/S0040579506010076
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The heat transfer in plate heat exchangers with cross flows of heat-transfer media is considered. At constant values of thermophysical parameters using a model of a one-dimensional flow in each channel, analytical expressions for the temperature and heat flux distributions are obtained. The efficiency of heat exchangers at different values of dimensionless parameters is estimated. A model is proposed to take into account the two-dimensional flow of heat-transfer media in channels on the basis of empirical relations for the flow resistance and the heat transfer in flat channels.
引用
收藏
页码：47 / 50
页数：4
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