The problem of melting around a moving heat source arises in many different situations such as nuclear reactor technology (i.e., “self-burial” process of nuclear waste materials and reactor core “melt-down”), process metallurgy, and geophysics. Experiments were undertaken with a horizontal cylindrical heat source that melted its way through a phase-change material (n-octadecane) under its own weight. The heat source velocity and solid-liquid interface motion for a constant surface temperature source were measured. Effects of heat source density and surface temperature as well as the effects of the initial subcooling of the solid were investigated and are reported. The flow structure in the melt was visualized using a dye. Timewise variation of temperature distribution in the solid and the melt were also measured and are discussed. Results for the heat source migration velocity and the volume of the material melted are correlated in terms of the relevant problem parameters.
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Melting Around a Migrating Heat Source
M. K. Moallemi,
M. K. Moallemi
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907
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R. Viskanta
R. Viskanta
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907
Search for other works by this author on:
M. K. Moallemi
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907
R. Viskanta
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907
J. Heat Transfer. May 1985, 107(2): 451-458 (8 pages)
Published Online: May 1, 1985
Article history
Received:
March 28, 1984
Online:
October 20, 2009
Citation
Moallemi, M. K., and Viskanta, R. (May 1, 1985). "Melting Around a Migrating Heat Source." ASME. J. Heat Transfer. May 1985; 107(2): 451–458. https://doi.org/10.1115/1.3247436
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