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(EXP4/06) Heat and Particle Transport of SOL/Divertor Plasma in the W-Shaped Divertor on JT-60U

(This paper was rapporteured in lecture EX3/1)

N. Asakura, S. Sakurai, N. Hosogane, K. Itami, K. Shimizu, M. Shimada, A. Sakasai, Y. Koide, O. Naito, H. Tamai, S. Konoshima, H. Kubo, S. Higashijima, H. Takenaga, T. Sugie, H. Shirai, K. Masaki, T. Nakano and the JT-60 Team

Japan Atomic Energy Research Institute Naka-mach, Naka-gun, Ibaraki-ken, 311-0193 Japan

Abstract.  The plasma profile and parallel flow in the scrape-off layer (SOL) were systematically measured using Mach probes installed at the midplane and the divertor x-point. Quantitative evaluation of a parallel flow: naturally produced in a torus to keep the pressure constant along the field line, was consistent with the measurement. Geometry effects of the W-shaped divertor on the divertor plasma and particle recycling at the newly installed baffle plates were evaluated quantitatively using the edge plasma data.

Read the full paper in PDF format.