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Role of fast ion pr...
Role of fast ion pressure in the isotope effect in JET L-mode plasmas
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Bonanomi, N. (author)
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- Bergsåker, Henrik (author)
- KTH,Fusionsplasmafysik
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- Bykov, Igor (author)
- KTH,Fusionsplasmafysik
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- Frassinetti, Lorenzo (author)
- KTH,Fusionsplasmafysik
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- Fridström, Richard (author)
- KTH,Fusionsplasmafysik
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- Garcia Carrasco, Alvaro, 1989- (author)
- KTH,Fusionsplasmafysik
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- Hellsten, Torbjörn (author)
- KTH,Fusionsplasmafysik
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- Johnson, Thomas (author)
- KTH,Fusionsplasmafysik
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- Moon, Sunwoo (author)
- KTH,Fusionsplasmafysik
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- Petersson, Per (author)
- KTH,Fusionsplasmafysik
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- Rachlew, Elisabeth (author)
- KTH,Partikel- och astropartikelfysik
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- Ratynskaia, Svetlana (author)
- KTH,Rymd- och plasmafysik
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- Rubel, Marek (author)
- KTH,Fusionsplasmafysik
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- Stefániková, Estera (author)
- KTH,Fusionsplasmafysik
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- Ström, Petter (author)
- KTH,Fusionsplasmafysik
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- Tholerus, Emmi (author)
- KTH,Fusionsplasmafysik
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- Tolias, Panagiotis (author)
- KTH,Rymd- och plasmafysik
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- Olivares, Pablo Vallejos (author)
- KTH,Fusionsplasmafysik
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- Weckmann, Armin (author)
- KTH,Fusionsplasmafysik
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- Zhou, Yushan (author)
- KTH,Fusionsplasmafysik
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Zychor, I (author)
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- Andersson Sundén, Erik (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Binda, Federico, 1987- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Cecconello, Marco (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Conroy, Sean (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Ericsson, Göran (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Eriksson, Jacob, Dr, 1985- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Hellesen, Carl, 1980- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Hjalmarsson, Anders (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Possnert, Göran, 1951- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Primetzhofer, Daniel (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Sahlberg, Arne (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Sjöstrand, Henrik, 1978- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Skiba, Mateusz, 1985- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Weiszflog, Matthias (author)
- Uppsala universitet,Tillämpad kärnfysik
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(creator_code:org_t)
- 2019-07-30
- 2019
- English.
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In: Nuclear Fusion. - : Institute of Physics Publishing (IOPP). - 0029-5515 .- 1741-4326. ; 59:9
- Related links:
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https://helda.helsin...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- This paper presents results of JET ITER-like wall L-mode experiments in hydrogen and deuterium (D) plasmas, dedicated to the study of the isotope dependence of ion heat transport by determination of the ion critical gradient and stiffness by varying the ion cyclotron resonance heating power deposition. When no strong role of fast ions in the plasma core is expected, the main difference between the two isotope plasmas is determined by the plasma edge and the core behavior is consistent with a gyro-Bohm scaling. When the heating power (and the fast ion pressure) is increased, in addition to the difference in the edge region, also the plasma core shows substantial changes. The stabilization of ion heat transport by fast ions, clearly visible in D plasmas, appears to be weaker in H plasmas, resulting in a higher ion heat flux in H with apparent anti-gyro-Bohm mass scaling. The difference is found to be caused by the different fast ion pressure between H and D plasmas, related to the heating power settings and to the different fast ion slowing down time, and is completely accounted for in non-linear gyrokinetic simulations. The application of the TGLF quasi-linear model to this set of data is also discussed.
Subject headings
- 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)
Keyword
- turbulent transport
- fast ions
- isotope effect
- JET tokamak
- gyrokinetic simulations
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bonanomi, N.
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Bergsåker, Henri ...
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Bykov, Igor
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Frassinetti, Lor ...
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Fridström, Richa ...
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Garcia Carrasco, ...
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show more...
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Hellsten, Torbjö ...
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Johnson, Thomas
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Moon, Sunwoo
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Petersson, Per
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Rachlew, Elisabe ...
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Ratynskaia, Svet ...
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Rubel, Marek
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Stefániková, Est ...
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Ström, Petter
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Tholerus, Emmi
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Tolias, Panagiot ...
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Olivares, Pablo ...
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Weckmann, Armin
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Zhou, Yushan
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Zychor, I
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Andersson Sundén ...
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Binda, Federico, ...
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Cecconello, Marc ...
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Conroy, Sean
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Ericsson, Göran
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Eriksson, Jacob, ...
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Hellesen, Carl, ...
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Hjalmarsson, And ...
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Possnert, Göran, ...
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Primetzhofer, Da ...
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Sahlberg, Arne
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Sjöstrand, Henri ...
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Skiba, Mateusz, ...
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Weiszflog, Matth ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Nuclear Fusion
- By the university
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Royal Institute of Technology
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Uppsala University