{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1363388846014393728.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.jnucmat.2010.12.020"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0022311510008421?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0022311510008421?httpAccept=text/plain"}}],"dc:title":[{"@value":"Tungsten transport and accumulation in JT-60U"}],"description":[{"notation":[{"@value":"Abstract   Absolute density and radiative power of W ions in the core plasma are determined, from previously published relative data (Nakano et al., 2009  [1] ), with an absolutely calibrated VUV spectrometer using atomic data calculated with FAC code. With increasing toroidal rotation velocity in the direction opposed to the plasma current, the W accumulation becomes significant. In the most significant accumulation case, the W density inside a q = 1 layer increases up to ∼0.1% of the electron density and the radiative power increases up to 2 MW, at which time radiative collapse occurs. In contrast, even with W accumulation, at an electron temperature maintained higher than 5 keV, radiative collapse does not occur and the H-mode is preserved. The W sputtering yield of the W-coating decreased from 0.003 to 0.001 of the D flux with decreasing ELM energy loss."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383388846014393728","@type":"Researcher","foaf:name":[{"@value":"T. Nakano"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00223115"}],"prism:publicationName":[{"@value":"Journal of Nuclear Materials"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2011-08","prism:volume":"415","prism:number":"1","prism:startingPage":"S327","prism:endingPage":"S333"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0022311510008421?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0022311510008421?httpAccept=text/plain"}],"createdAt":"2010-12-16","modifiedAt":"2018-12-06","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050288834674294016","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Observation of W IV–W VII line emissions in wavelength range of 495–1475 Å in the large helical 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