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Home Archives Thermal Letter Officers Future meetings Assembly for International Heat Transfer Conferences
International Heat Transfer Conference 4
1970, 31 August - 5 September, Paris-Versailles, France

TRANSIENT PHENOMENA DURING COLLAPSE OF A PRESSURIZED VAPOR FILM

Get access DOI: 10.1615/IHTC4.1380
pages 1-11

Abstract

Analytical and experimental results are presented for the transient collapse of a vapor layer between a heated surface and a bulk liquid in response to an increase in system pressure. Approximate analytical solutions based on an integral approach and numerical solutions of the governing partial differential equations are com;pared in terms of the transient vapor layer thickness and temperatures as well as the transient wall heat flux. The experimental system facilitated pressurization of a stable layer of water vapor from 1 to 2 atm. The initial vapor thickness was about 5 em, and the pressurization time varied from 1 to 30 sec. Comparisons of analytically and experimentally obtained vapor thicknesses and temperatures are given.
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