Journal article

JET results with the new pumped divertor and implications for ITER

Adams, J. M.; Ageladarakis, P.; Alper, B.; Altmann, H.; Andrew, P.; AliArshad, S.; Bak, P.; Balet, B.; Baranov, Y.; Barker, P.

This paper presents an overview of results of the 1994/95 experimental campaign on JET with the new pumped divertor and draws implications for ITER in the areas of detached and radiative divertor plasmas, the use of beryllium as a divertor target the material, the confinement properties of discharges with the same dimensionless parameters (except for the dimensionless Larmor radius) as ITER and the effect of varying the toroidal magnetic field ripple in the ITER relevant range. Discharges with high fusion performance at high current, in steady-state with ELMs and in the ELM-free hot-ion H-mode, are also reported. Limits to operations are discussed and projections to D-T performance are made.


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