EPJ Web of Conferences
Volume 32, 2012EC-17 – 17th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating
|Number of page(s)||6|
|Published online||06 September 2012|
EC Radiative Transport in the Presence of Anisotropic Distributions of Suprathermal Electrons
1 Fusion for Energy *, Josep Pla 2, Barcelona, 08019, Spain
2 Physics Department, University of Pavia, Pavia, 27100, Italy
3 Max-Planck-Institut für Plasmaphysik, Garching, 85748, Germany
The RAYTEC code for electron cyclotron (EC) wave radiative transport modelling of fusion plasmas which earlier had been generalised to include a population of suprathermal electrons to cover EC radiative transport in the presence of an anisotropic distribution of suprathermal electrons in the form of a one-sided loss- or anti-loss-cone in pitch angle, has been modified and, furthermore, now also covers inverted loss-cone and anti-loss-cone distributions. This offers the possibility of dealing with anisotropic distributions symmetric in the electron velocity parallel to the magnetic field, as typical for the case of EC wave heating. Practical issues related to this approach are displayed and the impact of various choices of suprathermal populations on net EC wave power emission from a fusion plasma is evaluated and discussed.
The views expressed in this publication are the sole responsibility of the author and do not necessarily reflect the views of Fusion for Energy. Neither Fusion for Energy nor any person acting on behalf of Fusion for Energy is responsible for the use which might be made of the information in this publication.
© Owned by the authors, published by EDP Sciences 2012
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