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Volume 12
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10.3390/pr12010162
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Article

Effects of Superabsorbent Polymer Addition on the Thermal Properties of Eutectic Phase Change Material

by
Seok-Joon Lee
1 and
Seul-Hyun Park
2,*
1
Chungbuk Technopark, Cheongju-si 28116, Republic of Korea
2
Department of Mechanical Engineering, Chosun University, 309 Pilmundaero, Dong-gu, Gwangju 61452, Republic of Korea
*
Author to whom correspondence should be addressed.
Processes 2024, 12(1), 162; https://doi.org/10.3390/pr12010162
Submission received: 15 November 2023 / Revised: 4 January 2024 / Accepted: 8 January 2024 / Published: 9 January 2024
(This article belongs to the Special Issue Thermal Energy Storage with Phase Change Materials)
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Abstract

In this study, the influence of a super absorbent polymer (SAP) addition on the thermal properties of phase change material (PCM) was investigated. It was found that adding SAP reduced the melting temperature of PCM and improved phase separation properties. While the addition of 1.0 wt% of SAP to PCMs decreased latent heat by 3 J/g to 24.4 J/g, the addition was determined to be necessary to prevent leaks from a functional duct unit (FDU) and assure product stability. The results obtained from a series of brine refrigeration tests indicate that the supercooling temperature decreased by 0.3 °C to 1.7 °C when 1.0 wt% of SAP was added to PCM. The addition of SAP to PCM appears to promote supercooling by encouraging condensation during phase change. As a result of applying SAP-added PCM to the FDU, the isothermal operation performance was improved compared to existing refrigerators.
Keywords: phase change material; super absorbent polymer; supercooling; thickener; nucleating agent; thermal properties; refrigerator phase change material; super absorbent polymer; supercooling; thickener; nucleating agent; thermal properties; refrigerator

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MDPI and ACS Style

Lee, S.-J.; Park, S.-H. Effects of Superabsorbent Polymer Addition on the Thermal Properties of Eutectic Phase Change Material. Processes 2024, 12, 162. https://doi.org/10.3390/pr12010162

AMA Style

Lee S-J, Park S-H. Effects of Superabsorbent Polymer Addition on the Thermal Properties of Eutectic Phase Change Material. Processes. 2024; 12(1):162. https://doi.org/10.3390/pr12010162

Chicago/Turabian Style

Lee, Seok-Joon, and Seul-Hyun Park. 2024. "Effects of Superabsorbent Polymer Addition on the Thermal Properties of Eutectic Phase Change Material" Processes 12, no. 1: 162. https://doi.org/10.3390/pr12010162

APA Style

Lee, S.-J., & Park, S.-H. (2024). Effects of Superabsorbent Polymer Addition on the Thermal Properties of Eutectic Phase Change Material. Processes, 12(1), 162. https://doi.org/10.3390/pr12010162

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