1985•MPG.PuRe (Max Planck Society)Open access
Radial Energy Balance Analysis of ASDEX H-Mode Discharges
O. Gruber, W. Jilge, Karl Bernhardi, A. Eberhagen, Gerd Fußmann, O. Gehre, J. Gernhardt, G. von Gierke, E. Glock, Günter Haas, Guenter Janeschitz, Frank E. Muller-Karger, Martin Keilhacker, O. Klueber, M. Kornherr, Karl Lackner, G. Lisitano, H. M. Mayer, Kent McCormick, D. Meisel, V. Mertens, Eric R. Mueller, Helmut Niedermeyer, W. Poschenrieder, H. Rapp, J. Roth, Francois Ryter, Frank Schneider, G. Siller, Paul Smeulders, F. Soeldner, E. Speth, A. Staebler, K.‐H. Steuer, Ortrud Vollmer, Friedrich Wagner
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Abstract
Radial transport and confinement properties of ELM dominated (H) and ELM free (H*) beam heated ASDEX -discharges are studied using the PPPL transport analysis code TRANSP.For similar plasma parameters the H* discharges have energy confinement times of about 1.5 as large as those in H discharges and correspondingly reduced electron heat diffusivities due to the absence of the ELM ' s.Electron conductive losses dominate the energy losses besides radiation cooling.•
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