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Article Dans Une Revue IEEE Transactions on Plasma Science Année : 2024

Impact of Variable Perpendicular Transport Coefficients in WEST Simulations Using SolEdge-HDG

Résumé

Plasma–wall interaction is one of the key research topics on the way to controlled fusion. To study the best operational designs with reduced heat and particle fluxes onto tokamak plasma facing components (PFCs) comprehensive plasma simulations are required. A recent implementation of a hybridized discontinuous Galerkin scheme into a new version of SolEdge code has the advantage of using magnetic equilibrium-free mesh. This allows us to conduct pioneering 2-D transport simulations of a full discharge in the WEST tokamak. In this work, we implemented plasma transport coefficients as functions of coordinate in the poloidal plane and neutral diffusion as a function of neutral mean free path. Moreover, the perpendicular convection flux terms were added to the code. Using the new features, a few test cases were investigated. The influence of nonconstant transport coefficients on the simulated particle and heat fluxes onto the WEST tokamak PFCs are demonstrated.
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hal-04552343 , version 1 (19-04-2024)

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Ivan Kudashev, Anna Medvedeva Glasser, Manuel Scotto D’abusco, Eric Serre. Impact of Variable Perpendicular Transport Coefficients in WEST Simulations Using SolEdge-HDG. IEEE Transactions on Plasma Science, 2024, pp.1-6. ⟨10.1109/tps.2024.3384031⟩. ⟨hal-04552343⟩
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