Existence and uniqueness of the electric potential profile in the edge of tokamak plasmas when constrained by the plasma-wall boundary physics - Laboratoire d'Analyse, Topologie, Probabilités Accéder directement au contenu
Article Dans Une Revue Kinetic and Related Models Année : 2008

Existence and uniqueness of the electric potential profile in the edge of tokamak plasmas when constrained by the plasma-wall boundary physics

Résumé

The electric potential plays a key role in the confinement properties of tokamak plasmas, with the subsequent impact on the performances of fusion reactors. Understanding its structure in the peripheral plasma-interacting with solid materials-is of crucial importance, since it governs the boundary conditions for the burning core plasma. This paper aims at highlighting the dedicated impact of the plasma-wall boundary layer on this peripheral region. Especially, the physics of plasma-wall interactions leads to non-linear constraints along the magnetic field. In this framework, the existence and uniqueness of the electric potential profile are mathematically investigated. The working model is two-dimensional in space and time evolving.
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Dates et versions

hal-03559459 , version 1 (06-02-2022)

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  • HAL Id : hal-03559459 , version 1

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C Negulescu, A Nouri, Ph Ghendrih, Y Sarazin. Existence and uniqueness of the electric potential profile in the edge of tokamak plasmas when constrained by the plasma-wall boundary physics. Kinetic and Related Models , 2008. ⟨hal-03559459⟩
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