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RESEARCH PAPERS

An Experimental Investigation of the Effect of Subcooling on Bubble Growth and Waiting Time in Nucleate Boiling

[+] Author and Article Information
E. A. Ibrahim, R. L. Judd

Department of Mechanical Engineering, McMaster University, Hamilton, Ontario L8S 4L7

J. Heat Transfer 107(1), 168-174 (Feb 01, 1985) (7 pages) doi:10.1115/1.3247374 History: Received June 24, 1983; Online October 20, 2009

Abstract

The effect of subcooling on bubble waiting time and growth time for water boiling on a copper surface was examined in conjunction with measurements obtained over a range of subcooling from 0 to 15°C and three different levels of heat flux 166, 228, and 291 kW/m2 . The growth-time data was successfully correlated with a model that combined the bubble growth theory of Mikic, Rohsenow, and Griffith with the bubble departure diameter relationship of Staniszewski, thereby establishing confidence in the measuring procedure. The waiting time data agreed with the predictions of the Han and Griffith waiting time theory at lower levels of subcooling but then showed a behavior contrary to that predicted for higher levels of subcooling.

Copyright © 1985 by ASME
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