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Vibration induced refrigeration using ferroelectric materials

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dc.contributor.authorKumar, Anuruddh-
dc.contributor.authorChauhan Aditya-
dc.contributor.authorPatel, Satyanarayan-
dc.contributor.authorNovak, Nikola-
dc.contributor.authorKumar, Rajeev-
dc.contributor.authorVaish, Rahul-
dc.date.accessioned2023-09-04T07:34:53Z-
dc.date.available2023-09-04T07:34:53Z-
dc.date.created2023-07-21-
dc.date.issued2019-03-
dc.identifier.issn2045-2322-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/189842-
dc.description.abstractThis article aims to propose a cantilever based cooling device employing non-axis symmetric placement of bulk ferroelectric patches. Ambient mechanical vibrations produce large stresses in cantilevers resulting in elastocaloric effect associated with ferroelectrics. Further, design allows cascading of several cantilevers to achieve large cooling response. A finite element analysis of the system was performed using material properties of bulk 0.50Ba(Zr0.2Ti0.8)O-3-0.50(Ba0.7Ca0.3)TiO3. An individual element could produce a peak elastocaloric effect of 0.02 K (324 K); whereas the proposed system could achieve a temperature drop of 0.2 K within 50 seconds (10 elements, 1.5 Hz). Furthermore, net cooling can be further improved about similar to 2 K (using 10 cantilevers) for a starting temperature of 358 K. This study shows that elastocaloric effect in ferroelectric materials is capable of converting waste mechanical vibration into refrigeration effect which is not reported so far.-
dc.language영어-
dc.language.isoen-
dc.publisherNATURE PUBLISHING GROUP-
dc.titleVibration induced refrigeration using ferroelectric materials-
dc.typeArticle-
dc.contributor.affiliatedAuthorKumar, Anuruddh-
dc.identifier.doi10.1038/s41598-019-40159-8-
dc.identifier.scopusid2-s2.0-85062628845-
dc.identifier.wosid000460627700010-
dc.identifier.bibliographicCitationSCIENTIFIC REPORTS, v.9, no.1, pp.1 - 9-
dc.relation.isPartOfSCIENTIFIC REPORTS-
dc.citation.titleSCIENTIFIC REPORTS-
dc.citation.volume9-
dc.citation.number1-
dc.citation.startPage1-
dc.citation.endPage9-
dc.type.rimsART-
dc.type.docType정기학술지(Article(Perspective Article포함))-
dc.description.journalClass1-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
dc.subject.keywordPlusPERFORMANCE-
dc.identifier.urlhttps://www.nature.com/articles/s41598-019-40159-8-
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서울 부총장(서울) (서울 창의융합교육원)
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