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RESEARCH PAPERS: Phase Change and Multiphase Heat Transfer

On the Prediction of Local Ice Formation in Pipes in the Presence of Natural Convection

[+] Author and Article Information
A. C. Keary, R. J. Bowen

Department of Mechanical Engineering, University of Southampton, S017 1BJ, UK

J. Heat Transfer 121(4), 934-944 (Nov 01, 1999) (11 pages) doi:10.1115/1.2826084 History: Received August 02, 1998; Revised July 08, 1999; Online December 05, 2007

Abstract

Pipe freezing is a pipeline maintenance technique which is used to isolate sections of a liquid-filled pipeline by freezing the contents to form a solid pressure-resistant plug. This paper describes the development of a numerical model of natural convection and solidification in a vertical water-filled pipe. The natural convection-driven flows are examined in detail and the interaction with the forming ice plug is studied. The results are compared with experimental data. The numerical approach is contrasted with a simpler one-dimensional analytical method and criteria are proposed to aid the choice of modeling technique under different conditions.

Copyright © 1999 by The American Society of Mechanical Engineers
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