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Article: Experimental observations on the interface front of phase change material inside cylindrical cavity

TitleExperimental observations on the interface front of phase change material inside cylindrical cavity
Authors
Keywordscylindrical cavity
phase change material
solidification shape
Issue Date2019
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at https://onlinelibrary.wiley.com/journal/25784862
Citation
Energy Storage, 2019, v. 1 n. 1, p. article no. e36 How to Cite?
AbstractThe final solidification shape of phase change material (PCM) in cylindrical cavity is important for design of thermal energy storage system. We experimentally study the role of height and radius of cylindrical cavity, Stefan number (Ste, from 0.2000 to 0.4500), Superheating factor (S, from 0.1250 to 0.8125). There are three main morphologies of inward solidification shape as height increases (10‐60 mm): concave, Gaussian‐distribution‐like shape and the one with a hole appearing inside PCM. The cavity radius (24‐35.5 mm) will influence the critical height of distinguishing second and third morphologies. Temperature variation during solidification process is recorded by microthermocouples, showing the main heat transfer direction. Stefan number shows significant influence to the final solidification shape while superheating factor does not. The final solidification shape of PCM can reflect the heat transfer mechanism during solidification process.
DescriptionLink to Free access
Persistent Identifierhttp://hdl.handle.net/10722/273900
ISSN
2023 Impact Factor: 3.6
2023 SCImago Journal Rankings: 0.406
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHAN, X-
dc.contributor.authorKang, Z-
dc.contributor.authorTian, X-
dc.contributor.authorWang, L-
dc.date.accessioned2019-08-18T14:50:55Z-
dc.date.available2019-08-18T14:50:55Z-
dc.date.issued2019-
dc.identifier.citationEnergy Storage, 2019, v. 1 n. 1, p. article no. e36-
dc.identifier.issn2578-4862-
dc.identifier.urihttp://hdl.handle.net/10722/273900-
dc.descriptionLink to Free access-
dc.description.abstractThe final solidification shape of phase change material (PCM) in cylindrical cavity is important for design of thermal energy storage system. We experimentally study the role of height and radius of cylindrical cavity, Stefan number (Ste, from 0.2000 to 0.4500), Superheating factor (S, from 0.1250 to 0.8125). There are three main morphologies of inward solidification shape as height increases (10‐60 mm): concave, Gaussian‐distribution‐like shape and the one with a hole appearing inside PCM. The cavity radius (24‐35.5 mm) will influence the critical height of distinguishing second and third morphologies. Temperature variation during solidification process is recorded by microthermocouples, showing the main heat transfer direction. Stefan number shows significant influence to the final solidification shape while superheating factor does not. The final solidification shape of PCM can reflect the heat transfer mechanism during solidification process.-
dc.languageeng-
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at https://onlinelibrary.wiley.com/journal/25784862-
dc.relation.ispartofEnergy Storage-
dc.rightsPreprint This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. Postprint This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.subjectcylindrical cavity-
dc.subjectphase change material-
dc.subjectsolidification shape-
dc.titleExperimental observations on the interface front of phase change material inside cylindrical cavity-
dc.typeArticle-
dc.identifier.emailTian, X: tianxw@hku.hk-
dc.identifier.emailWang, L: lqwang@hku.hk-
dc.identifier.authorityWang, L=rp00184-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/est2.36-
dc.identifier.hkuros301676-
dc.identifier.volume1-
dc.identifier.issue1-
dc.identifier.spagearticle no. e36-
dc.identifier.epagearticle no. e36-
dc.identifier.isiWOS:000647064400001-
dc.publisher.placeUnited States-
dc.identifier.issnl2578-4862-

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