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- Mantica, P. (author)
A Key to Improved Ion Core Confinement in the JET Tokamak : Ion Stiffness Mitigation due to Combined Plasma Rotation and Low Magnetic Shear
- Article/chapterEnglish2011
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- 2011
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-43426
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-43426URI
- https://doi.org/10.1103/PhysRevLett.107.135004DOI
- https://research.chalmers.se/publication/146959URI
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- Language:English
- Summary in:English
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- SwePubSwePub
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- QC 20111017
- New transport experiments on JET indicate that ion stiffness mitigation in the core of a rotating plasma, as described by Mantica et al. [Phys. Rev. Lett. 102, 175002 (2009)] results from the combined effect of high rotational shear and low magnetic shear. The observations have important implications for the understanding of improved ion core confinement in advanced tokamak scenarios. Simulations using quasilinear fluid and gyrofluid models show features of stiffness mitigation, while nonlinear gyrokinetic simulations do not. The JET experiments indicate that advanced tokamak scenarios in future devices will require sufficient rotational shear and the capability of q profile manipulation.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- NATURVETENSKAP Fysik Fusion, plasma och rymdfysik hsv//swe
- NATURAL SCIENCES Physical Sciences Fusion, Plasma and Space Physics hsv//eng
- turbulence simulations
- transport barriers
- thermal transport
- modes
Added entries (persons, corporate bodies, meetings, titles ...)
- Angioni, C. (author)
- Challis, C. (author)
- Colyer, G. (author)
- Frassinetti, LorenzoKTH,Fusionsplasmafysik(Swepub:kth)u1sfgalb (author)
- Hawkes, N. (author)
- Johnson, ThomasKTH,Fusionsplasmafysik(Swepub:kth)u1xypjyh (author)
- Tsalas, M. (author)
- deVries, P. C. (author)
- Weiland, Jan,1944Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)elfjw (author)
- Baiocchi, B. (author)
- Beurskens, M. N. A. (author)
- Figueiredo, A. C. A. (author)
- Giroud, C. (author)
- Hobirk, J. (author)
- Joffrin, E. (author)
- Lerche, E. (author)
- Naulin, V. (author)
- Peeters, A. G. (author)
- Salmi, A. (author)
- Sozzi, C. (author)
- Strintzi, D. (author)
- Staebler, G. (author)
- Tala, T. (author)
- Van Eester, D. (author)
- Versloot, T. (author)
- KTHFusionsplasmafysik (creator_code:org_t)
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- In:Physical Review Letters107:13, s. 135004-0031-90071079-7114
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