Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3393
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Campo DCValorIdioma
dc.contributor.authorRoque, António-
dc.contributor.authorRamos, Sérgio-
dc.contributor.authorBarão, José-
dc.contributor.authorMachado, M.-
dc.contributor.authorSousa, D. M.-
dc.contributor.authorMargato, E.-
dc.contributor.authorMaia, J.-
dc.date.accessioned2014-01-21T11:45:04Z-
dc.date.available2014-01-21T11:45:04Z-
dc.date.issued2013-
dc.identifierDOI 10.1007/s10948-012-1709-8-
dc.identifier.issn1557-1939-
dc.identifier.issn1557-1947-
dc.identifier.urihttp://hdl.handle.net/10400.22/3393-
dc.description.abstractThis paper is a contribution for the assessment and comparison of magnet properties based on magnetic field characteristics particularly concerning the magnetic induction uniformity in the air gaps. For this aim, a solver was developed and implemented to determine the magnetic field of a magnetic core to be used in Fast Field Cycling (FFC) Nuclear Magnetic Resonance (NMR) relaxometry. The electromagnetic field computation is based on a 2D finite-element method (FEM) using both the scalar and the vector potential formulation. Results for the magnetic field lines and the magnetic induction vector in the air gap are presented. The target magnetic induction is 0.2 T, which is a typical requirement of the FFC NMR technique, which can be achieved with a magnetic core based on permanent magnets or coils. In addition, this application requires high magnetic induction uniformity. To achieve this goal, a solution including superconducting pieces is analyzed. Results are compared with a different FEM program.por
dc.language.isoengpor
dc.publisherSpringerpor
dc.relation.ispartofseriesJournal of Superconductivity and Novel Magnetism; Vol. 26, Issue 1-
dc.rightsopenAccesspor
dc.subjectMagnetic corepor
dc.subjectMagnetic uniformitypor
dc.subjectSuperconductorspor
dc.subjectPermanent magnetpor
dc.titleSimulation of the magnetic induction vector of a magnetic core to be used in FFC NMR relaxometrypor
dc.typearticlepor
dc.peerreviewedyespor
degois.publication.firstPage133por
degois.publication.issueIssue 1-
degois.publication.lastPage140por
degois.publication.titleJournal of superconductivity and novel magnetismpor
degois.publication.volumeVol. 26por
dc.relation.publisherversionhttp://link.springer.com/article/10.1007%2Fs10948-012-1709-8por
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