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RESEARCH PAPERS

A Study of Ice-Formation Phenomena on Freezing of Flowing Water in a Pipe

[+] Author and Article Information
T. Hirata, H. Matsuzawa

Department of Mechanical Engineering, Shinshu University, Nagano 380, Japan

J. Heat Transfer 109(4), 965-970 (Nov 01, 1987) (6 pages) doi:10.1115/1.3248211 History: Received August 19, 1986; Online October 20, 2009

Abstract

Ice-formation phenomena in a water pipe whose wall is kept at a uniform temperature lower than the freezing temperature of water are examined under the conditions of an unstable ice-water interface. The onset conditions for a step or smooth change in ice thickness occurring with flow transition from laminar to turbulent are found to be correlated with ice thickness at the contraction region of the ice band and are expressed as a function of a pipe Reynolds number ReD , and a cooling temperature ratio θ. It is shown that the transient freezing process depends strongly on flow as well as temperature conditions and that the typical ice shapes at steady-state conditions can be classified on a θ-ReD coordinate system.

Copyright © 1987 by ASME
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