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In this report the development of a numerical model for studying interaction between LH waves and thermonuclear alpha-particles in tokamak geometry is described in view of the deuterium tritium (DT) experiments on the Joint European Torus (JET). Motivation for this work is the obvious fact that a considerable part of alpha-particles are born in a tokamak plasma as trapped particles. The report is organized as follows: calculation of the magnetic toroidal coordinates; the ray tracing procedure; the alpha particle treatment. It includes discussion of the model, formulation of the Fokker-Planck equation, analytical investigation of the limiting cases and outline of the used numerical approach. Finally, numerical calculations for JET conditions and conclusion are given.

Additional information

Authors: PILIYA A D, JET Joint Undertaking, Abingdon, Oxon (GB);SAVELIEV A N, JET Joint Undertaking, Abingdon, Oxon (GB)
Bibliographic Reference: Report: JET-R(98)01 EN (1998) 25pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon, OX14 3EA (GB)
Record Number: 199810662 / Last updated on: 1998-05-26
Original language: en
Available languages: en