Control of tearing mode instabilities by localized electron-cyclotron wave heating
- 1 February 1986
- journal article
- research article
- Published by AIP Publishing in Physics of Fluids
- Vol. 29 (2) , 501-506
- https://doi.org/10.1063/1.865436
Abstract
Resistive tearing mode instabilities are driven by unfavorable current gradients at the position where the safety factor q is rational. Their dynamics in the presence of radio‐frequency (rf) power absorption in the electron‐cyclotron wavelength range is investigated by means of a hybrid transport‐magnetohydrodynamic (MHD) code and analytic considerations. A panorama of possibilities of stabilization and control of disruptions in tokamaks is presented.Keywords
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