RESEARCH PAPERS: Boiling Heat Transfer

Stratified Flow Film Boiling Inside Horizontal Tubes

[+] Author and Article Information
A. M. C. Chan

Ontario Hydro Technologies, 800 Kipling Ave., Toronto, Ontario M8Z 5S4 Canada

J. Heat Transfer 117(1), 179-184 (Feb 01, 1995) (6 pages) doi:10.1115/1.2822300 History: Received March 01, 1993; Revised November 01, 1993; Online December 05, 2007


Stratified flow film boiling inside a horizontal tube was investigated. A one-dimensional flow model was used to solve for the local vapor film thickness and vapor velocity in the vapor channel in the circumferential direction. Analytical solutions for the local vapor film thickness and heat transfer coefficient at the bottom of the tube were derived. The solutions were compared with expressions obtained for other external geometries. A simple experiment was also performed to provide local heat transfer data for direct comparison. It was found that the local heat transfer coefficient normalized with respect to ho can be represented by a single curve for different liquid inventory and initial wall temperatures. The curve was expressed in the form of a polynomial and it provides a simple way of calculating the local heat transfer coefficient in stratified flow film boiling in horizontal tubes.

Copyright © 1995 by The American Society of Mechanical Engineers
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