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Iterative method fo...
Iterative method for including parallel dispersion for RF waves in two-dimensional axisymmetric finite element models
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- Zaar, Björn (författare)
- KTH,Elektromagnetism och fusionsfysik
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- Jonsson, Thomas, 1974- (författare)
- KTH,Elektromagnetism och fusionsfysik
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- Vallejos, Pablo (författare)
- FOI Swedish Defence Research Agency, Olof Arrhenius väg 31, 137 94 Norra Sorunda, Sweden
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(creator_code:org_t)
- New York : American Institute of Physics (AIP), 2023
- 2023
- Engelska.
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Ingår i: AIP Conference Proceedings. - New York : American Institute of Physics (AIP). - 0094-243X .- 1551-7616. ; 2984:1, s. 130003-1-130003-6
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Modelling the propagation and dissipation of RF waves in the ion cyclotron range of frequencies is challenging due to the presence of spatial dispersion. In this work, we are presenting an iterative scheme that includes dispersive effects in all tensor elements in 2D axisymmetry. The proposed method is implemented in the existing full wave solver FEMIC and applied to two fast wave heating scenarios, one with an ITER-like plasma and the other with an AUG-like plasma, in order to evaluate the importance of parallel dispersion in the two different cases. It was found that parallel dispersion is of marginal importance in ITER when using dipole phasing, but has larger impact on the power deposition profiles in AUG, due to up-down asymmetric heating. Furthermore, it is shown that the described iterative method can account for mode conversion to the ion cyclotron wave.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- Theoretical Physics
- Teoretisk fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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