Optimization of heat exchange in magnetic refrigerators and thermomagnetic motors

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dc.contributor.author Bessa, Carlos Vinícius Xavier
dc.contributor.author Ferreira, Lucas Diego Rodrigues
dc.contributor.author Gama, Sergio [UNIFESP]
dc.contributor.author Santos, T.
dc.contributor.author Amaral, João S.
dc.contributor.author Costa, V. A. F.
dc.contributor.author Amaral, Vitor S.
dc.contributor.author Horikawa, Oswaldo
dc.date.accessioned 2019-01-21T10:29:28Z
dc.date.available 2019-01-21T10:29:28Z
dc.date.issued 2016
dc.identifier http://dx.doi.org/10.18462/iir.thermag.2016.0145
dc.identifier.citation 7th International Conference On Magnetic Refrigeration At Room Temperature. Paris, p. 154-157, 2016.
dc.identifier.issn 0151-1637
dc.identifier.uri http://repositorio.unifesp.br/handle/11600/49238
dc.description.abstract The power and efficiency of magnetic refrigerators and thermomagnetic motors depend on their operating frequencies. To improve the efficiency of these machines, it is necessary to design the regenerators/heat exchangers so to present heat transfer as high as possible, allowing higher operational frequencies. In several machines, a fluid flowing through internal channels promotes the heat transfer. In such cases, as the temperature difference governing heat transfer decreases along the channels length, the heat transfer also decreases. One solution for this problem is the use of non-linear heat transfer area increase along the channels. That can be done by changing the cross section area or the profile of the channels. This study presents an experimental analysis that shows the effectiveness of this technique by comparing heat exchangers with cylindrical, conical and non-prismatic shaped internal channels using infrared thermography. en
dc.description.sponsorship Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2012/09486-0]
dc.format.extent 154-157
dc.language.iso eng
dc.publisher Revista De Saude Publica
dc.relation.ispartof 7th International Conference On Magnetic Refrigeration At Room Temperature
dc.rights Acesso restrito
dc.subject Heat Transfer en
dc.subject Magnetocaloric Refrigeration en
dc.subject Thermomagnetic Motors en
dc.subject Thermography Analysis en
dc.title Optimization of heat exchange in magnetic refrigerators and thermomagnetic motors en
dc.type Trabalho apresentado em evento
dc.description.affiliation Univ Sao Paulo, 2231 Ave Prof Mello Morais, BR-05508030 Sao Paulo, Brazil
dc.description.affiliation Univ Fed Sao Paulo, 1535 Manoel da Nobrega, BR-09910720 Diadema, Brazil
dc.description.affiliation Univ Aveiro, Campus Univ Santiago, P-3810193 Aveiro, Portugal
dc.description.affiliationUnifesp Univ Fed Sao Paulo, 1535 Manoel da Nobrega, BR-09910720 Diadema, Brazil
dc.description.sponsorshipID FAPESP: 2012/09486-0
dc.identifier.doi 10.18462/iir.thermag.2016.0145
dc.description.source Web of Science
dc.identifier.wos WOS:000402542400038



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