On the importance of parallel heat conduction and magnetic geometry for multifaceted radiation from the edge (MARFE) | Zendy

M. Z. Tokaŕ | Zendy

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On the importance of parallel heat conduction and magnetic geometry for multifaceted radiation from the edge (MARFE)

Author(s) -

M. Z. Tokaŕ

Publication year - 2001

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/1.1372178

Subject(s) - tokamak , physics , thermal conduction , plasma , magnetic field , enhanced data rates for gsm evolution , radiation , atomic physics , computational physics , mechanics , geometry , nuclear physics , thermodynamics , quantum mechanics , telecommunications , mathematics , computer science

An importance of parallel heat conduction in plasma for formation of multifaceted radiation from the edge (MARFE) is assessed analytically by taking into account the magnetic geometry of the tokamak. It is demonstrated for circular nonconcentric due to Shafranov shift magnetic surfaces that toroidally symmetric perturbations of a MARFE-like structure with a maximum at the high-field side have the largest growth rate. Both the threshold and characteristic poloidal width of these perturbations depend essentially on plasma parallel heat conduction and geometric characteristics.

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