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Abstract

The problem of resonant ion tail formation during ICRF heating of tokamak plasmas is considered. Using the fact that the RF diffusion and fast ion Fokker-Planck equations admit simple solution procedures, a method is given for the determination of the solution of the time dependent ICRF Fokker-Planck equation in the small Larmor radius approximation. The solution procedure leads to a Volterra integral equation for the determination of the effect of the Coulomb scattering processes on tail formation. Then using an iterative perturbation technique, the problem of tail formation during heating at the fundamental (n=1) and second harmonic (n=2) frequencies is addressed.

Additional information

Authors: CORE W G F JET JOINT UNDERTAKING, ABINGDON (UK), JET JOINT UNDERTAKING, ABINGDON (UK)
Bibliographic Reference: WRITE TO THE PUBLICATIONS OFFICER, JET JOINT UNDERTAKING, ABINGDON, OXON, OX14 3EA (UK), MENTIONING REPORT JET-P(85)30, 1985
Record Number: 1989124115400 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en