Lower hybrid dynamics by ECE spectra in Tore Supra
The suprathermal electron cyclotron radiation is used to investigate fundamental phenomena governing electron tail formation during lower hybrid current drive (LHCD). To this end an approximate analytical solution of the 2-D time-dependent Fokker-Planck equation is developed. Electron cyclotron emission (ECE) is analysed with this model. The pitch-angle scattering time, the characteristic time of the quasi-linear diffusion process, the perpendicular temperature and the quasi-linear diffusion coefficient are measured by fitting the temporal evolution of the ECE signal.
Bibliographic Reference: An article published in: Fusion Engineering and Design, Vol.53 (2001), pp.169-175
Record Number: 200113837 / Last updated on: 2001-10-04
Original language: en
Available languages: en