BASIC STUDY ON THE ENHANCEMENT OF NUCLEATE BOILING HEAT-TRANSFER BY APPLYING ELECTRIC-FIELDS

被引：85

作者：

OGATA, J ^{[1
]}

YABE, A ^{[1
]}

机构：

[1] MINIST INT TRADE & IND,MECH ENGN LAB,TSUKUBA,JAPAN

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1993年 / 36卷 / 03期

关键词：

Boiling liquids - Bubble formation - Electric fields - Electrohydrodynamics - Hydrodynamics;

D O I：

10.1016/0017-9310(93)80053-W

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

New EHD (electrohydrodynamic) phenomena for promoting bubble generation and augmenting boiling heat transfer are introduced in this study. Test results reveal an enhancement factor for the boiling heat transfer with an applied electric field of approximately 8.5 times the maximum value obtained without an electric field. In order to investigate the mechanism of this enhancement, basic experiments and analyses were carried out for bubbles in an electric field. It was clarified that the bubbles were pushed against the bubble-injection surface by the vertical component of the electrostatic forces (Maxwell stress and electrostriction force) and became mobile due to the radial component.

引用

页码：775 / 782

页数：8

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