MEASUREMENT OF SURFACE-CONTACT IN TRANSITION BOILING

被引：46

作者：

DHUGA, DS

WINTERTON, RHS

机构：

[1] Univ of Birmingham, Dep of, Mechanical Engineering, Birmingham,, Engl, Univ of Birmingham, Dep of Mechanical Engineering, Birmingham, Engl

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1985年 / 28卷 / 10期

关键词：

HEAT EXCHANGERS - Surfaces;

D O I：

10.1016/0017-9310(85)90209-1

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A new method of measuring liquid-solid contact in boiling is described. The heat transfer surface is coated with a thin, electrically-insulating layer and the impedance between the metal substrate and the boiling liquid is measured. It is shown theoretically, and confirmed experimentally, that this impedance is related to the average fraction of the heat transfer area that is wetted by the liquid. The technique is applied, together with measurement of the boiling curve, to pool boiling of water and methanol.

引用

页码：1869 / 1880

页数：12

共 32 条

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