Thermal Modeling Solid-Liquid Phase Change Materials (PCMs)

Tao Hu; Yan Li; Duo Su; Hai Xia Lv

doi:10.4028/www.scientific.net/AMR.746.161

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 746Thermal Modeling Solid-Liquid Phase Change...

Thermal Modeling Solid-Liquid Phase Change Materials (PCMs)

Abstract:

Three thermal modeling methods for phase change materials (PCMs): enthalpy-based method, effective heat capacity method and apparent heat capacity method, are presented in details. Their characteristics and application limitations are compared and discussed. We found that enthalpy-based method and effective heat capacity method are both approximation treatments, and can be well used in steady state problems, while apparent heat capacity method tracks the moving phase change boundary in PCMs, and it is the most accurate and applicable method of the three for dealing with transient processes. This work might provide useful information for the study of using PCMs in temperature control field, especially in aircraft environmental temperature control and thermal management.

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Periodical:

Advanced Materials Research (Volume 746)

Pages:

161-166

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.746.161

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Online since:

August 2013

Authors:

Tao Hu, Yan Li, Duo Su, Hai Xia Lv

Keywords:

Enthalpy-Based, Heat Capacity, Modeling, Pcms, Solid-Liquid

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