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Abstract

It is interesting to study the possibility of applying Alfven wave heating (AWH) to a large tokamak, ASDEX Upgrade. We give a rapid review of AWH including the major outstanding questions. The spectra for typical ASDEX Upgrade conditions are presented together with preliminary estimates of the loading expected using the proposed ICRH antennae. We find that these antennae could produce interesting results although they have not been at all optimized for AWH. The off-torus tuned circuit and power supplies would present no technological difficulties. Only a minor technical design constraint + a higher current capability for the antenna feeds + would permit AWH experiments to be carried out on ASDEX Upgrade at high power.

Additional information

Authors: COLLINS G A, CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);HOFMANN F, CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);LISTER J B CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND), CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND)
Bibliographic Reference: WRITE TO CONFEDERATION SUISSE, CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE, 21, AVENUE DES BAINS, CH-1007 LAUSANNE (SWITZERLAND), MENTIONING REP. LRP 270
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