Technique for measuring the heat transfer performance of a finned tube

被引：0
|
作者：
Barrow, H. [1 ]
Sherwin, K. [1 ]
机构：
[1] Univ of Liverpool, Liverpool, United Kingdom
来源：
International Journal of Mechanical Engineering Education | 1991年 / 19卷 / 04期
关键词：
Automobile radiators - Efficiency - Fins (Heat exchange) - Heat transfer - Tubes (components);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A theoretical investigation of the transient cooling of a finned-tubed assembly has been made with a view to extending the 'lumped-capacity'technique to this geometry for evaluating heat transfer performance. A numerical study of a typical fin geometry has shown that the fin efficiency in the transient case exceeds that for steady state and that a 'uniform' value is achieved after a very short time. For a low cooling rate the fin-efficiency value approximates to that for steady state, which can be used for the evaluation of the heat transfer coefficient.
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页码：265 / 272
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