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Gyrokinetic simulat...
Gyrokinetic simulations of turbulent transport in JET-like plasmas
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- Fazendeiro, Luis, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Skyman, Andreas, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tegnered, Daniel, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa fler...
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- Nordman, Hans, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Strand, Pär, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Anderson, Johan, 1973 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: 40th European Physical Society Conference on Plasma Physics. ; 2, s. 1074-1077
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Abstract
Ämnesord
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- In this work turbulent transport in JET-like plasma discharges is analyzed, with main emphasison impurity transport driven by ITG/TEM modes. Gyrokinetic (GK) simulations are performedusing the GENE code [1, 2], in both quasilinear (QL) and nonlinear (NL) mode,1 and the resultsare compared with a computationally efficient fluid model [3, 4]. Particle transport is quantifiedby locally finding density gradients (R/Ln ) that yield zero particle flux, signifying a balancebetween convective and diffusive transport.The impact of the magnetic equilibrium (circular, s − α and realistic magnetic geometry) onthe various models is discussed, as well as the effects of collisionality (in both fluid and GK)and the inclusion of a (2%) Carbon background (in GK), as per JET CFC wall conditions. Theeffect of sheared toroidal rotation was also investigated and found to be important, although notfor the particular JET discharge studied in this work.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
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Fazendeiro, Luis ...
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Skyman, Andreas, ...
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Tegnered, Daniel ...
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Nordman, Hans, 1 ...
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Strand, Pär, 196 ...
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Anderson, Johan, ...
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Chalmers tekniska högskola