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Research on Measurement Technology of Thermophysical Properties for Full-Scale Phase Change Material Product in a Container

School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
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Appl. Sci. 2019, 9(12), 2422; https://doi.org/10.3390/app9122422
Received: 19 April 2019 / Revised: 11 June 2019 / Accepted: 12 June 2019 / Published: 13 June 2019
(This article belongs to the Section Materials)
The thermophysical properties of phase change material include thermal conductivity, heat of absorption, and phase change temperature range. This paper investigates the measurement methods of thermophysical properties for phase change material inside a full-scale container. The influence of contact thermal resistance is considered in a thermal conductivity test, and the formula for calculating the thermal conductivity of a phase change material inside the full-scale container is derived. In addition, the heat of absorption is measured based on the calibration results of the correction coefficient for heat flux sensors. In order to verify the reliability of the measurement method, the thermophysical properties of docosane and erythritol inside a full-scale specimen are measured, and the results are compared with HotDisk analyzer results and published data. The comparison results reveal that the method proposed in this paper can accurately measure the thermophysical properties of phase change material inside a full-scale specimen. View Full-Text
Keywords: phase change material; thermal conductivity; contact thermal resistance; heat of absorption; full-scale specimen phase change material; thermal conductivity; contact thermal resistance; heat of absorption; full-scale specimen
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Wang, Y.; Dai, J.; Xiao, P. Research on Measurement Technology of Thermophysical Properties for Full-Scale Phase Change Material Product in a Container. Appl. Sci. 2019, 9, 2422.

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