Applications of the SCENIC code package to the minority ion-cyclotron heating in Wendelstein 7-X plasmas | Zendy

J. Faustin | Zendy; W.A. Cooper | Zendy; J. Geiger | Zendy; J. P. Graves | Zendy; David Pfefferlé | Zendy

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Applications of the SCENIC code package to the minority ion-cyclotron heating in Wendelstein 7-X plasmas

Author(s) -

J. Faustin,

W.A. Cooper,

J. Geiger,

J. P. Graves,

David Pfefferlé

Publication year - 2015

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4936501

Subject(s) - cyclotron , wendelstein 7 x , antenna (radio) , plasma , toroid , stellarator , physics , heating system , ion , coulomb , tokamak , computational physics , atomic physics , electrical engineering , nuclear physics , engineering , quantum mechanics , thermodynamics , electron

We present SCENIC simulations of a W7X 4He plasma with 1% H minority and with an antenna model close to the design foreseen for the W7X ICRF antenna [1, 2]. A high mirror and a standard equilibrium are considered. The injected wave frequency is fixed at 33.8 MHz and 39.6MHz respectively and only fundamental minority heating is considered. Included in this calculation is a new realistic model of the antenna, where it is found that the localization of the antenna geometry tends to break the five-fold periodicity of the system. We assess the heat transfer through the toroidal periods via Coulomb collisions.

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