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Journal of Enhanced Heat Transfer
Facteur d'impact: 1.406 Facteur d'impact sur 5 ans: 1.075 SJR: 0.287 SNIP: 0.653 CiteScore™: 1.2

ISSN Imprimer: 1065-5131
ISSN En ligne: 1563-5074

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v9.i3-4.10
pages 109-115

Solid-Liquid Phase Change Heat Transfer Enhancement Analysis in Cylindrical and Spherical Walls

Wang Xin
Department of Building Science, Tsinghua University, Beijing, 100084, P.R.China
Zhang Yinping
Department of Building Science, Tsinghua University, Beijing, 100084, P.R.China

RÉSUMÉ

This paper presents a novel insight into the mechanisms of heat transfer enhancement in cylindrical and spherical walls induced by solid-liquid phase change based on the analogy between heat conduction with an internal heat source and phase change heat transfer. Two kinds of interface heat transfer enhancement with phase change heat transfer in cylindrical and spherical walls are described. The factors influencing the degree of heat transfer enhancement on the interface are clarified and their effects are quantitatively analyzed. Both the novel insight and analysis contribute to effective application of phase change heat transfer enhancement techniques.


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