RESEARCH PAPERS: Solid/Liquid Phase-Change Heat Transfer

Melting Solid Plug Between Two Coaxial Pipes by a Moving Heat Source in the Inner Pipe

[+] Author and Article Information
S. A. Fomin, P. S. Wei

Institute of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

V. A. Chugunov

Applied Mathematics Department, Kazan State University, Russian Federation

J. Heat Transfer 116(4), 1028-1033 (Nov 01, 1994) (6 pages) doi:10.1115/1.2911438 History: Received June 01, 1993; Revised February 01, 1994; Online May 23, 2008


Melting of a solid plug in the gap between two coaxial pipes by inserting a moving heat source in the inner pipe is investigated. Using a scale analysis, closed-form solutions for temperatures of liquid in the inner pipe, solid plug and liquid in the annular gap, and the surrounding medium around the outer pipe are determined. It is shown that eight independent dimensionless parameters are required to specify the entire process. The effects of independent parameters on the shapes of the molten region in the gap are found. The analysis and results provided are useful for the design of oil pipes.

Copyright © 1994 by The American Society of Mechanical Engineers
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