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D. Mikkelsen1, G. Bateman2,
D. Boucher3, J. W. Connor4,
Yu. N. Dnestrovskij5, W. Dorland6,
A. Fukuyama7, M. Greenwald8,
W. A. Houlberg9, S. Kaye1,
J. E. Kinsey10, A. H. Kritz2,
M. Marinucci11, Y. Ogawa12, D. Schissel10,
H. Shirai13, P. M. Stubberfield14,
M. F. Turner4, G. Vlad11, R. E. Waltz10,
J. Weiland15
1 PPPL, Princeton, USA
2 Lehigh University, Lehigh, USA
3 ITER San Diego JWS, USA
4 EURATOM/UKAEA Fusion Association, Culham Science Centre,Oxon, UK
5 Kurchatov Institute, Moscow, Russian Federation
6 U. Maryland, College Park, USA
7 Kyoto University, Kyoto, Japan
8 MIT, Cambridge, USA
9 ORNL, Oak Ridge, USA
10 GA, San Diego, USA
11 Associazione Euratom/ENEA sulla Fusione, Frascati, Italy
12 U. Tokyo, Tokyo, Japan
13 JAERI, Naka, Japan
14 JET, Abingdon, UK
15 Chalmers University of Technology, Göteborg, Sweden
Abstract. A number of proposed tokamak thermal transport models are tested by
comparing their predictions with measurements from several tokamaks. The
necessary data have been provided for a total of 75 discharges from C-mod,
DIII-D, JET, JT-60U, T10, and TFTR. A standard prediction methodology has been
developed, and three codes have been benchmarked; these `standard' codes have
been relied on for testing most of the transport models. While a wide range of
physical transport processes has been tested, no single model has emerged as
clearly superior to all competitors for simulating H-mode discharges. In order
to winnow the field, further tests of the effect of sheared flows and of the
`stiffness' of transport are planned. Several of the models have been used to
predict ITER performance, with widely varying results. With some transport
models ITER's predicted fusion power depends strongly on the `pedestal'
temperature, but 
1GW (Q=10) is predicted for most models if the
pedestal temperature is at least 4 keV.
IAEA 2001
