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  Spatially resolved toroidal plasma rotation with ICRF on JET

Noterdaeme, J.-M., Righi, E., Chan, V., deGrassie, J., Kirov, K., Mantsinen, M., et al. (2003). Spatially resolved toroidal plasma rotation with ICRF on JET. Nuclear Fusion, 43(4), 274-289. doi:10.1088/0029-5515/43/4/309.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-2E65-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-2E67-0
Genre: Journal Article

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Noterdaeme, J.-M.1, Author              
Righi, E.2, Author
Chan, V.2, Author
deGrassie, J.2, Author
Kirov, K.3, 4, Author              
Mantsinen, M.2, Author
Nave, M. F. F.2, Author
Testa, D.2, Author
Zastrow, K.-D.5, Author              
Budny, R.2, Author
Cesario, R.2, Author
Gondhalekar, A.4, Author              
Hawkes, N.2, Author
Hellsten, T.2, Author
Lamalle, P.2, Author
Meo, F.6, Author
Nguyen, F.2, Author
EFDA-JET-EFDA Contributors2, Author
Affiliations:
1Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318              
2Gent University, Department EESA, Belgium; EFDA-CSU Garching, Germany; General Atomics, USA; Association Euratom-Tekes, Helsinki University of Technology, Finland; Associacao Euratom/IST, Instituto Superior Tecnico, Lisbon, Portugal; Plasma Fusion Center, MIT, Cambridge, USA; UKAEA, Euratom Association, UK; PPPL, Princeton, USA; ENEA, Euratom Association, Frascati, Italy; EFDA-CSU JET, UK; NFR, Euratom Association, Sweden; Association Euratom-Belgian State, LPP-ERM/KMS, Belgium; CEA Cadarache, Euratom Association, France, ou_persistent22              
3Tokamak: Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              
4Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
5Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              
6Max Planck Society, ou_persistent13              

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 Abstract: Plasmas heated by ICRF only in the JET tokamak show distinct structures in the toroidal rotation profile, with regions where &ddiff;ω/&ddiff;r>0 when the minority cyclotron resonance layer is far off-axis. The rotation is dominantly co-current with a clear off-axis maximum. There is only a slight difference between a high-field side (HFS) or a low-field side position of this resonance layer: the off-axis maximum in the rotation profile is modestly higher for the HFS position. This is in contrast to the predictions of theories that rely mainly on the effects arising from ICRF-driven fast ions to account for ICRF-induced plasma rotation. The differences due to the direction of the antenna spectrum (co- or counter-) are small. A more central deposition of the ICRF power in L-mode and operation in H-mode both lead to more centrally peaked profiles, both in the co-direction. Strong MHD modes brake the rotation and lead to overall flat rotation profiles.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Nuclear Fusion
  Alternative Title : Nucl. Fusion
Source Genre: Journal
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Publ. Info: Copyright © Institute of Physics and IOP Publishing Limited 2003
Pages: - Volume / Issue: 43 (4) Sequence Number: - Start / End Page: 274 - 289 Identifier: -