Modeling of heat capacity peaks and enthalpy jumps of phase-change materials used for thermal energy storage

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• 作者：Igor Medved'^a ; ^b ; ^{igor.medved@fsv.cvut.cz} ; Anton Trní ; k^a ; ^b ; ^{atrnik@ukf.sk} ; Libor Vozá ; r^a ; ^{lvozar@ukf.sk}
• 关键词：Enthalpy jump ; Heat capacity peak ; Phase change ; Averaging
• 刊名：International Journal of Heat and Mass Transfer
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：107
• 期：Complete
• 页码：123-132
• 全文大小：821 K
• 卷排序：107

文摘

Enthalpy jumps and heat capacity peaks for three PCMs are accurately fitted. Experimental data are interpreted as a result of finite-size effects. A procedure to separate the baseline and excess heat capacities is derived. The latent heat and phase-change temperature are determined.