Confinement time scaling in TEXT
- 1 November 1985
- journal article
- research article
- Published by IOP Publishing in Plasma Physics and Controlled Fusion
- Vol. 27 (11), 1335-1338
- https://doi.org/10.1088/0741-3335/27/11/009
Abstract
Values of the total energy confinement time tau E are presented for ohmic hydrogen discharges on the TEXT Tokamak, spanning a range of chord-averaged densities of 2.0-8.5*1013 cm-3, plasma currents of 150-400 kA, and toroidal fields of 15-28 kG. At the higher densities tau E exhibits a saturation which corresponds well with a recently proposed scaling law (Goldston, 1984) in which the saturated value is given by an empirical expression for beam-heated limiter discharges with Ptot identical to POH. The relationship between this observed saturation and density-profile widths is addressed.Keywords
This publication has 6 references indexed in Scilit:
- Energy Confinement of High-Density Pellet-Fueled Plasmas in the AlcatorTokamakPhysical Review Letters, 1984
- Energy confinement scaling in Tokamaks: some implications of recent experiments with Ohmic and strong auxiliary heatingPlasma Physics and Controlled Fusion, 1984
- Gettering in ISX-BJournal of Nuclear Materials, 1982
- Scaling of energy confinement with minor radius, current and density in Doublet III Ohmically heated plasmasNuclear Fusion, 1982
- Energy confinement at high density in the FT tokamakNuclear Fusion, 1982
- Plasma Confinement Studies in the ISX-TokamakPhysical Review Letters, 1979