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Experimental investigations on the thermal energy storage performance of shell and tube unit with composite phase change materials
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2019 (English)In: Innovative Solutions for Energy Transitions, Elsevier, 2019, Vol. 158, p. 4889-4896Conference paper, Published paper (Refereed)
Abstract [en]

This work presented experimental investigations on the thermal energy storage performance of the shell and tube unit with composite phase change materials (PCM). A cylindrical heat storage tank filled with open-cell copper foam was proposed and its melting process characteristics were studied. A designed test system was established to record the PCM real-time temperature data. The results showed that, compared with traditional smooth-tube phase-change heat exchangers, the composite PCM unit accelerated the bottom paraffin melting. The temperature disparity among different height reduced, which resulted in better internal temperature uniformity. Due to the expanded heat transfer area, improved heat transfer coefficient and weakened natural convection, the bottom phase-change materials in the composite-PCM heat-storage unit melt faster.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 158, p. 4889-4896
Series
Energy Procedia, ISSN 1876-6102 ; 158
Keywords [en]
Fined tube, Melting phase change, Metal foam, Thermal energy storage
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-251848DOI: 10.1016/j.egypro.2019.01.704ISI: 000471031705039Scopus ID: 2-s2.0-85063862517OAI: oai:DiVA.org:kth-251848DiVA, id: diva2:1317881
Conference
10th International Conference on Applied Energy, ICAE 2018; Hong Kong; China; 22 August 2018 through 25 August 2018
Note

QC 20190524

Available from: 2019-05-24 Created: 2019-05-24 Last updated: 2019-07-24Bibliographically approved

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Yan, Jinyue

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  • apa
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