Modeling impurities and tilted plates in the ITER divertor | Zendy

M.E. Rensink | Zendy; T.D. Rognlien | Zendy

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Modeling impurities and tilted plates in the ITER divertor

Author(s) -

M.E. Rensink,

T.D. Rognlien

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/371415

Subject(s) - divertor , impurity , neon , helium , enhanced data rates for gsm evolution , moment (physics) , atomic physics , moment of inertia , plasma , physics , materials science , tokamak , nuclear physics , argon , classical mechanics , telecommunications , quantum mechanics , computer science

The UEDGE 2-D edge transport code is used to model the effect of impurities and tilted divertor plates for the ITER SOL/divertor region. The impurities are modeled as individual charge states using either the FMOMBAL 21-moment description or parallel force balance. Both helium and neon impurities are used together with a majority hydrogenic species. A fluid description of the neutrals is used that includes parallel inertia and neutral-neutral collisions. Effects of geometry are analyzed by using the nonorthogonal mesh capability of UEDGE to obtain solutions with the divertor plate tilted at various angles

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