TEMPERATURE MEASUREMENTS ON A REVERSED FIELD PINCH IN THE ETA-BETA-II EXPERIMENT
Results of measurements at various plasma currents made in ETA BETA II are presented. The electron temperature and density on axis measured by Thomson scattering and the conductivity temperature deduced from plasma resistance measurements are discussed as functions of the plasma current in the range 60 + 170 kA. Both the measured temperature and the conductivity temperature increase about linearly with plasma current with a rate of 0.5 eV/kA and Z-eff is close to unity. Electron and ion temperatures obtained by oxygen line intensity ratio and by Doppler broadening measurements are discussed. No evidence of anomalous ion heating is found and T-i <or= T-e. The particle confinement time has been estimated in various discharge conditions from absolute measurements of deuterium lines. Finally measurements made with helium as filling gas or with 5% of argon added to deuterium are discussed.
Bibliographic Reference: COURSE ON MIRROR-BASED AND FIELD-REVERSED APPROACHES TO MAGNETIC FUSION, HELD AT VARENNA (ITALY), SEPT. 7-17, 1983 VOL. 2, PP. 135-159 VOL. 1: 388 P., VOL. 2: 324 P., 1984 WRITE TO MONTYPIA FRANCHI, ST. LUCIA - VIALE UMBRIA NO. 28, 06012 CITTA DI CASTELLO
Record Number: 1989124010100 / Last updated on: 1987-01-01
Available languages: en