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http://dx.doi.org/10.6110/KJACR.2013.25.9.477

Numerical Study of Heat Transfer with Selective Phase Change in Two Different Phase Change Materials  

Kim, Hyung Kuk (Department of Mechanical Engineering, Chonbuk National University)
Lee, Dong Gyu (Department of Mechanical Engineering, Chonbuk National University)
Peck, Jong Hyeon (Korea Institute of Industrial Technology)
Kang, Chaedong (Geothermal Energy technology Research Center, Chonbuk National University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.25, no.9, 2013 , pp. 477-483 More about this Journal
Abstract
A numerical analysis of solid-liquid phase change was performed on a heat transfer module which consisted of circulating water path (BRINE), heat transfer plate (HTP) and phase change material (PCM) layers, such as high temperature PCM (HPCM, $78{\sim}79^{\circ}C$) and low temperature PCM (LPCM, $28{\sim}29^{\circ}C$). There were five arrangements, consisting of BRINE, HTP, LPCM and HPCM layers in the heat transfer module. The time and heat transfer rate for melting/solidification was compared to their arrangements, against each other. As results, the numerical time without convection was longer than the experimental one for melting/solidification. Moreover, the melting/solidification with the BRINE I-LPCM-BRINE II-HPCM arrangement was faster(10 hours) than the others; HPCM-BRINE-LPCM, BRINE I-HPCM-LPCM-BRINE II one.
Keywords
Phase Change Material(PCM); Solidification; Melting; Phase Change; Computational fluid dynamics(CFD);
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