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Evidence of inward toroidal momentum convection in the JET tokamak

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dc.contributor.author Tala, T en
dc.contributor.author Zastrow, K-D en
dc.contributor.author Ferreira, J en
dc.contributor.author Mantica, P en
dc.contributor.author Naulin, V en
dc.contributor.author Peeters, AG en
dc.contributor.author Tardini, G en
dc.contributor.author Brix, M en
dc.contributor.author Corrigan, G en
dc.contributor.author Giroud, C en
dc.contributor.author Strintzi, D en
dc.date.accessioned 2014-03-01T01:30:27Z
dc.date.available 2014-03-01T01:30:27Z
dc.date.issued 2009 en
dc.identifier.issn 0031-9007 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/19581
dc.subject.classification Physics, Multidisciplinary en
dc.subject.other Fusion reactors en
dc.subject.other Gyrokinetic simulations en
dc.subject.other Heat diffusivities en
dc.subject.other Internal transport barriers en
dc.subject.other JET tokamaks en
dc.subject.other Joint european torus en
dc.subject.other Momentum diffusivities en
dc.subject.other Momentum transports en
dc.subject.other Neutral beams en
dc.subject.other Periodic perturbations en
dc.subject.other Profile shapes en
dc.subject.other Toroidal rotations en
dc.subject.other Transport analysis en
dc.subject.other Tokamak devices en
dc.title Evidence of inward toroidal momentum convection in the JET tokamak en
heal.type journalArticle en
heal.identifier.primary 10.1103/PhysRevLett.102.075001 en
heal.identifier.secondary http://dx.doi.org/10.1103/PhysRevLett.102.075001 en
heal.identifier.secondary 075001 en
heal.language English en
heal.publicationDate 2009 en
heal.abstract Experiments have been carried out on the Joint European Torus tokamak to determine the diffusive and convective momentum transport. Torque, injected by neutral beams, was modulated to create a periodic perturbation in the toroidal rotation velocity. Novel transport analysis shows the magnitude and profile shape of the momentum diffusivity are similar to those of the ion heat diffusivity. A significant inward momentum pinch, up to 20m/s, has been found. Both results are consistent with gyrokinetic simulations. This evidence is complemented in plasmas with internal transport barriers. © 2009 The American Physical Society. en
heal.publisher AMER PHYSICAL SOC en
heal.journalName Physical Review Letters en
dc.identifier.doi 10.1103/PhysRevLett.102.075001 en
dc.identifier.isi ISI:000263599500031 en
dc.identifier.volume 102 en
dc.identifier.issue 7 en


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