The effects of kinetic power flow on high harmonic fast wave heating

Robert Alan Cairns, V Fuchs, CN Lashmore-Davies, PM Ryan, T Intrator

Research output: Contribution to conferencePaper


We apply a fast wave approximation to the propagation of the fast wave across the magnetic field. This approximation involves replacing the hot plasma conductivity tensor by an approximation which reduces the problem to a second order differential equation. Such a procedure is particularly useful in the high harmonic regime, where many terms with the full Bessel function dependence must be retained in the dielectric tenser. However for conditions anticipated in low aspect ratio tokamaks, there are regions of the plasma in which a substantial fraction of the power is carried by the particle kinetic flux, and this must be accounted for if correct results are to be obtained.

Original languageEnglish
Publication statusPublished - 1997


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