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K. Thomsen6, G. Bracco5,
C. Bush8, T. N. Carlstrom4,
A. N. Chudnovskii9, J. G. Cordey6,
J. C. DeBoo4, S. J. Fielding3, T. Fukuda7,
M. Greenwald1, G. T. Hoang11, A. Hubbard1,
Y. Kamada7, O. Kardaun2,
S. Kaye8, A. Kus2, C. Lowry6,
Y. Martin12, T. Matsuda7, Y. Miura7,
J. Ongena10, E. Righi13, F. Ryter2,
D. Schissel4, J. A. Snipes1,
W. Suttrop2, T. Takizuka7, H. Tamai7,
K. Tsuchiya7, M. Valovic3, ALCATOR C-MOD
Team1, ASDEX Upgrade Team2, ASDEX Upgrade
Team2, COMPASS-D Team3, DIII-D Team4,
FTU Team5, JET Team6, JFT-2M Team7,
JT-60 Team7, PBX-M Team8, PDX
Team8, T-10 Team9, TCV Team12,
TEXTOR Team10, TFTR Team8, TORE SUPRA
Team11
1 Plasma Science and Fusion Center, MIT, USA
2 Max-Planck-Institute for Plasma Physics, Garching, Germany
3 United Kingdom Atomic Energy Authority, Culham, UK
4 General Atomics, San Diego, USA
5 ENEA Frascati Energy Research Center, Frascati, Italy
6 JET Joint Undertaking, Abingdon, UK
7 Japan Atomic Energy Research Institute, Naka, Japan
8 Princeton Plasma physics Laboratory
9 Russian Research Center Kurchatov Institute, Moscow
10 ERM/KMS - EURATOM, Belgium State, Belgium
11 Centre d'Etudes Nucleaires de Cadarache, Cadarache, France
12 CRPP/EPFL, Lausanne, Switzerland
13 NET Team, Garching, Germany
Abstract. New H-mode power threshold scaling expressions have been found which
incorporates an assumed 1/M isotope dependence for hydrogenic
plasmas. Preliminary power threshold predictions based on discriminant
analysis have also been made. However, the ITER predictions are still
uncertain. The log-linear confinement scaling expressions suggest that the
L-mode is governed by Bohm type transport whereas the ELMY H-mode is governed
by gyro-Bohm transport. Various non-linear scalings also fit the ELMy H-mode
data and a confidence interval for the predicted confinement time in ITER has
been established which takes the predictions of these into account.
IAEA 2001
