An investigation of heat transfer of a reciprocating piston

被引：18

作者：

Fu, Wu-Shung ^{[1
]}

Lian, Sin-Hong ^{[1
]}

Hao, Liao-Ying ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Mech Engn, Hsinchu 30056, Taiwan

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2006年 / 49卷 / 23-24期

关键词：

moving boundary problems; piston cooling; forced convection;

D O I：

10.1016/j.ijheatmasstransfer.2006.04.036

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A numerical simulation of a reciprocating piston cooled by fluid is performed to investigate effects of frequency, amplitude and Reynolds number on heat transfer rate of the piston. For facilitating the analyses, the model of the reciprocating piston is replaced by a "Pi" shape cooling channel. This subject belongs to a kind of moving boundary problems, and the Finite Element Method and arbitrary Lagragian-Eulerian Kinematics description method are then utilized. The heat transfer mechanisms affected by the main parameters of frequency, amplitude and Reynolds number are discussed in detail. The results show that the heat transfer mechanisms influenced by the frequency are more remarkable than those influenced by the amplitude and Reynolds number. Besides, the larger the above three parameters are, the apparent enhancements of heat transfer are usually obtained. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：4360 / 4371

页数：12

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