Reaching high poloidal beta at Greenwald density with internal transport barrier close to full noninductive current drive

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dc.contributor.author Hobirk, Jorg
dc.contributor.author Wolf, Robert C.
dc.contributor.author Gruber, O.
dc.contributor.author Gude, A.
dc.contributor.author Günter, Sibylle
dc.contributor.author Kurzan, Bernd
dc.contributor.author Maraschek, Marc
dc.contributor.author McCarthy, Patrick J.
dc.contributor.author Meister, Hans
dc.contributor.author Peeters, Arthur G.
dc.contributor.author Pereverzev, G. V.
dc.contributor.author Stober, J.
dc.contributor.author Treutterer, Wolfgang
dc.date.accessioned 2017-09-08T09:15:49Z
dc.date.available 2017-09-08T09:15:49Z
dc.date.issued 2001
dc.identifier.citation Hobirk, J., Wolf, R. C., Gruber, O., Gude, A., Günter, S., Kurzan, B., Maraschek, M., McCarthy, P. J., Meister, H., Peeters, A. G., Pereverzev, G. V., Stober, J., Treutterer, W. and Team, A. U. (2001) 'Reaching high poloidal beta at Greenwald density with internal transport barrier close to full noninductive current drive', Physical Review Letters, 87(8), 085002 (4pp). doi: 10.1103/PhysRevLett.87.085002 en
dc.identifier.volume 87
dc.identifier.issued 8
dc.identifier.issn 0031-9007
dc.identifier.uri http://hdl.handle.net/10468/4658
dc.identifier.doi 10.1103/PhysRevLett.87.085002
dc.description.abstract In the ASDEX Upgrade tokamak, high poloidal beta up to beta (pol) = 3 at the Greenwald density with H-mode confinement has been reached. Because of the high beta, the plasma current is driven almost fully noninductively, consisting of 51% bootstrap and 43% neutral beam driven current. To reach these conditions the discharge is operated at low plasma current (I(P) = 400 kA) and high neutral beam heating power (P(NBI) = 10 MW). The discharge combines an edge (H mode) and internal transport barrier at high densities without confinement-limiting MHD activities. The extrapolation to higher plasma currents may offer a promising way for an advanced scenario based fusion reactor. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.relation.uri https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.87.085002
dc.rights © 2001, American Physical Society en
dc.subject Reversed magnetic shear en
dc.subject diii-d tokamak en
dc.subject Asdex upgrade en
dc.subject Arbitrary collisionality en
dc.subject Improved confinement en
dc.subject Bootstrap current en
dc.subject Discharges en
dc.subject jt-60u en
dc.subject Electron en
dc.subject Plasmas en
dc.title Reaching high poloidal beta at Greenwald density with internal transport barrier close to full noninductive current drive en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Patrick J. McCarthy, Physics, University College Cork, Cork, Ireland. +353-21-490-3000. Email: pjm@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000170592500022
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review Letters en
dc.internal.IRISemailaddress pjm@ucc.ie en
dc.identifier.articleid 85002


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