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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Pohyb nabitých částic v perturbovaných magnetických polích tokamaku
 Papřok, R. ; Krlín, Ladislav ; Cahyna, Pavel ; Riccardo, V.
In this paper we present two Hamiltonian approaches–full and drift–for description of charged particles (e.g. electrons, D+) in magnetic field of a tokamak. We use a basic magnetic toroidal field configuration with shear plus overlapping island chains creating magnetic ergodic layer. We would like to use this apparatus for solving two physical problems. Firstly for an estimate of generation of electric field in edge plasma caused by addition of “ergodic coils”, which could serve as a mechanism for mitigation of ELMs and is will be studied on the COMPASS tokamak. Secondly we want to use the apparatus for tracing the influence on runaway electrons (energy 10 MeV) in the presence of magnetic field generated by Error Field Correction Coils (EFCCs) as are installed on JET Tokamak.
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Ergodizace pole externími cívkami na tokamaku COMPASS
 Cahyna, Pavel ; Pánek, Radomír ; Fuchs, Vladimír ; Krlín, Ladislav ; Bécoulet, M. ; Nardon, E.
The magnetic field of the set of "saddle coils" on the COMPASS tokamak has been simulated, with the emphasis on the resulting edge ergodization. Calculations for a selected configuration of saddle coils which gives a good edge ergodization are presented, and its possible impact on Type-I ELMs is discussed.
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