EDGE OHMIC HEATING EXPERIMENT ON HT-6M TOKAMAK

Citation
X. Gao et al., EDGE OHMIC HEATING EXPERIMENT ON HT-6M TOKAMAK, Chinese Physics Letters, 11(3), 1994, pp. 161-164
Citations number
4
Categorie Soggetti
Physics
Journal title
ISSN journal
0256307X
Volume
11
Issue
3
Year of publication
1994
Pages
161 - 164
Database
ISI
SICI code
0256-307X(1994)11:3<161:EOHEOH>2.0.ZU;2-A
Abstract
An improved ohmic confinement has been achieved on HT-6M tokamak after application of edge ohmic heating pulse which makes plasma current ra pidly ramp up (0.4 ms) in a ramp rate of 12 MA/s. The improved ohmic c onfinement phase is characterized by (a) energy and particle confineme nt time increase, (b) non-symmetric increased density n(e), (c) reduce d H(alpha) radiation, (d) increased T(e) and steeper T(e), n(e) profil e at the edge. The results from soft x-ray sawteeth inversion radius a nd beta(p) + l(i)/2 implied the anomalous current penetration.