Enhanced heat flux in the scrape-off layer due to electrons accelerated in the near field of lower hybrid grills

摘要

As a result of experimental observations of localized heat flux on components mag- netically connected to radiating waveguides in Tore Supra and in TdeV, the acceleration of electrons near lower hybrid(LH)antennas has been investigated. A simple analytical model has been developed to compute the dynamics of the particles in the near field approximation. Landau damping of the very high N_||(20