水平円筒カプセル内の自然対流/接触複合融解の数値解析

概要

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Close-contact-melting heat-transfer characteristics, including natural convection in the liquid region in cylindrical capsules were studied theoretically. Elucidation of such heat-transfer mechanism is of great importance from the view-point of cost-effective ice storage and heat storage systems employing the latent heat-of-fusion thermal energy storage (TES) concept. The Growth Ring Method (GRM) was used as a numerical tool to handle the moving interface between the liquid and solid regions. The computed isotherms, streamlines and stored heat fractions were clarified in detail. In particular, a special attention was focused on the role of natural convection in the upper liquid region. Hitherto, no exact numerical analysis has been made to clarify the contribution of natural convection.
社団法人日本機械学会の論文
1994-01-25