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Experimental investigations on the thermal energy storage performance of shell and tube unit with composite phase change materials
Institute of the Building Environment & Sustainability Technology, School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China.
Institute of the Building Environment & Sustainability Technology, School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China.
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden; Institute of the Building Environment & Sustainability Technology, School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China.
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2019 (English)In: Energy Procedia, Elsevier Ltd , 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 Ltd , 2019. Vol. 158, p. 4889-4896
Keywords [en]
Fined tube, Melting phase change, Metal foam, Thermal energy storage
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-43144DOI: 10.1016/j.egypro.2019.01.704ISI: 000471031705039Scopus ID: 2-s2.0-85063862517OAI: oai:DiVA.org:mdh-43144DiVA, id: diva2:1305744
Conference
10th International Conference on Applied Energy (ICAE2018), 22-25 August 2018, Hong Kong, China
Available from: 2019-04-18 Created: 2019-04-18 Last updated: 2019-07-11Bibliographically approved

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Yang, XiaohuYan, Jinyue

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