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dc.contributor.authorHirayama, Y.en_US
dc.contributor.authorOkada, H.en_US
dc.contributor.authorNakagawa, T.en_US
dc.contributor.authorYamamoto, T. A.en_US
dc.contributor.authorKusunose, T.en_US
dc.contributor.authorNumazawa, T.en_US
dc.contributor.authorMastumoto, K.en_US
dc.contributor.authorIrie, T.en_US
dc.contributor.authorNakamura, E.en_US
dc.date.accessioned2011-05-12T20:15:02Z
dc.date.available2011-05-12T20:15:02Z
dc.date.issued2008-05
dc.identifier.isbn978-1-934021-02-6
dc.identifier.urihttp://hdl.handle.net/1853/38858
dc.descriptionPresented at the 16th International Cryocooler Conference, held May 17-20, 2008 in Atlanta, Georgia.en_US
dc.description.abstractAn experimental study of an active magnetic regenerator (AMR) employing GdN was carried out. Spherical GdN material was synthesized by the hot isostatic pressing (HIP) method. The specific heat was measured and the magnetic entropy change ΔS and adiabatic temperature change ΔTad were calculated. The refrigeration with an AMR cycle was tested in the temperature range between 48 and 66 K with the field swinging from 1.2 to 3.7 T at upper side and from 2.0 to 4.0 T at lower side of the regenerator bed filled with GdN spheres. A temperature span, ΔTspan,was found to develop soon after starting the cycle and became more than 4.7 degree in steady state. This temperature span ΔTspan was at least 1.5 times as large as the adiabatic temperature change ΔTad.en_US
dc.language.isoen_USen_US
dc.publisherGeorgia Institute of Technologyen_US
dc.relation.ispartofseriesCryocoolers 16. Sub-kelvin, magnetic, and novel refrigeratorsen_US
dc.subjectSub-kelvin, magnetic, and novel refrigeratorsen_US
dc.subjectActive magnetic regeneratorsen_US
dc.subjectGadolinium nitrideen_US
dc.subjectSpherical gadolinium nitrideen_US
dc.titleExperimental Study of Active Magnetic Regenerator (AMR) Composed of Spherical GdNen_US
dc.typeProceedingsen_US
dc.contributor.corporatenameOsaka Universityen_US
dc.contributor.corporatenameNational Institute for Materials Science (Japan)en_US
dc.contributor.corporatenameKanazawa University. Dept. of Physicsen_US
dc.contributor.corporatenameSantoku Corp.en_US
dc.publisher.originalICC Pressen_US


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