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A global particle balance analysis has been applied to a variety of L-mode and H-mode deuterium discharges of the C4 campaign of JET, performed at a lower wall temperature, in different magnetic configurations and with various divertor gas puffing location. Wall retention and divertor particle exhaust are discussed as a function of the plasma configuration, the wall temperature and the gas puffing location. The effect on ELMs frequency is also mentioned. A simple empirical law linking the divertor pressure and the D [alpha] signal integrated on the divertor is derived, which allows one to estimate the inner and outer contribution to pumping.

Additional information

Authors: TSITRONE E ET AL, Association Euratom-CEA Cadarache, St Paul-lez-Durance (FR);LOARTE A, EFDA CSU Garching, Max Planck Institut für Plasmaphysik, Garching (DE);ANDREW P ET AL, Euratom/UKAEA Fusion Association, Abingdon (GB);COSTER D, Max Planck Institut für Plasmaphysik, IPP Euratom Assoziation, Garching (DE)
Bibliographic Reference: An article published in: Plasma Physics and Controlled Fusion, 44 (June 2002), pp. 701-715
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