Two-Step Approach to Steady-State Current Drive in Tokamaks by Use of Electron Cyclotron Heating

Autor:	G.E. Guest, R.A. Dandl
Rok vydání:	1983
Předmět:	Physics Tokamak Toroid Cyclotron General Physics and Astronomy Electron Plasma Electromagnetic radiation law.invention Computational physics Physics::Plasma Physics law Cyclotron radiation Electric current Atomic physics
Zdroj:	Physical Review Letters. 50:970-973
ISSN:	0031-9007
DOI:	10.1103/physrevlett.50.970
Popis:	An approach to sustaining steady-state toroidal currents in tokamaks by use of two separate electron cyclotron heating sources is described. One source creates a minority group of collisionless, barely trapped electrons. The second source uses frequency modulation to detrap some of these with a large degree of toroidal asymmetry. The power dissipated in sustaining the steady-state toroidal current can be less than 1 W/A for typical tokamak conditions.
Databáze:	OpenAIRE
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