Experimental study on characteristics of nucleate pool boiling by the effects of cavity arrangement

被引：54

作者：

Chatpun, S ^{[1
]}

Watanabe, M ^{[1
]}

Shoji, M ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Dept Engn Mech, Bunkyo Ku, Tokyo 1138656, Japan

来源：

EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2004年 / 29卷 / 01期

关键词：

bubble characteristics; cavity arrangement; nucleate pool boiling; heated surface;

D O I：

10.1016/j.expthermflusci.2004.01.007

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this work, two patterns of cavity arrangement, inline pattern and triangular pattern, with various cavity spacing were experimental studied on a silicon heated surface with micro-machined triple artificial cavities at low heat flux range in pool boiling. It aims to investigate the effects of cavity arrangement on the characteristics of pool boiling. The results indicate that both cavity spacing and cavity pattern potentially influence nucleate pool boiling characteristics such as bubble departure frequency, bubble departure diameter and temperature distribution on heated surface. Furthermore, it revealed that inline pattern with the optimum cavity spacing without horizontal bubble coalescence can enhance a heat transfer characteristic better than triangular pattern at the same cavity spacing. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：33 / 40

页数：8

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