EFFECT OF POWER TRANSIENTS ON PEAK HEAT FLUX

被引：5

作者：

ROEMER, RB

机构：

[1] Research Assistant Department of Mechanical Engineering, Stanford University, Stanford

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1969年 / 12卷 / 08期

关键词：

D O I：

10.1016/0017-9310(69)90157-4

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

An experimental investigation of the effect of power transients on the peak heat flux has been conducted for external flow of water normal to cylindrical test elements. Two sets of tests were run: The first set, using steps and one minus negative exponentials in the test element voltage, show that if a power transient is applied to a test element when air is present on its surface the transient peak heat flux may be as low as 25 per cent of the corresponding steady state flux; In the second set of tests surface temperature measurements indicate that for steps in power the tube wall temperature variation during the approach to steady state conditions is close to that predicted for transient conduction from the element. © 1969.

引用

页码：953 / &