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RESEARCH PAPERS: Boiling and Condensation

Interaction of the Nucleation Processes Occurring at Adjacent Nucleation Sites

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

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

J. Heat Transfer 115(4), 955-962 (Nov 01, 1993) (8 pages) doi:10.1115/1.2911392 History: Received July 01, 1992; Revised March 01, 1993; Online May 23, 2008

Abstract

An experimental investigation to explore the interaction between bubbles forming at adjacent nucleation sites is presented. The results obtained are consistent with the results of Calka’s and Knowles’ experimental investigations and confirm that nucleation site activation/deactivation, whereby a bubble growing at a nucleation site is able to promote/hinder the formation of a bubble at an adjacent nucleation site by depositing/displacing a vapor nucleus in the nucleation cavity, is instrumental in determining how a bubble forming at a nucleation site influences the nucleation of the subsequent bubble at an adjacent nucleation site.

Copyright © 1993 by The American Society of Mechanical Engineers
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