Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/48945
Title: Dependence on plasma shape and plasma fueling for small edge-localized mode regimes in TCV and ASDEX Upgrade
Authors: Labit, B.
Eich, T.
Harrer, G. F.
Wolfrum, E.
Bernert, M.
Dunne, M. G.
Frassinetti, L.
Hennequin, P.
Maurizio, R.
Merle, A.
Meyer, H.
Saarelma, S.
Sheikh, U.
Adamek, J.
Agostini, M.
Aguiam, D.
Akers, R.
Albanese, R.
Albert, C.
Alessi, E.
Ambrosino, R.
Andr be, Y.
Angioni, C.
Apruzzese, G.
Aradi, M.
Arnichand, H.
Auriemma, F.
Avdeeva, G.
Ayllon-Guerola, J. M.
Bagnato, F.
Bandaru, V. K.
Barnes, M.
Barrera-Orte, L.
Bettini, P.
Bilato, R.
Biletskyi, O.
Bilkova, P.
Bin, W.
Blanchard, P.
Blanken, T.
Bobkov, V.
Bock, A.
Boeyaert, D.
Bogar, K.
Bogar, O.
Bohm, P.
Bolzonella, T.
Bombarda, F.
Boncagni, L.
Bouquey, F.
Bowman, C.
Brezinsek, S.
Brida, D.
Brunetti, D.
Bucalossi, J.
Buchanan, J.
Buermans, J.
Bufferand, H.
Buller, S.
Buratti, P.
Burckhart, A.
Calabr, G.
Calacci, L.
Camenen, Y.
Cannas, B.
Cano Megías, P.
Carnevale, D.
Carpanese, F.
Carr, M.
Carralero, D.
Carraro, L.
Casolari, A.
Cathey, A.
Causa, F.
Cavedon, M.
Cecconello, M.
Ceccuzzi, S.
Cerovsky, J.
Chapman, S.
Chmielewski, P.
Choi, D.
Cianfarani, C.
Ciraolo, G.
Coda, S.
Coelho, R.
Colas, L.
Colette, D.
Cordaro, L.
Cordella, F.
Costea, S.
Coster, D.
Cruz Zabala, D. J.
Cseh, G.
Czarnecka, A.
Cziegler, I.
D'Arcangelo, O.
Dal Molin, A.
David, P.
De Carolis, G.
De Oliveira, H.
Mastrostefano, Stefano 
Journal: NUCLEAR FUSION 
Issue Date: 2019
Abstract: 
Within the EUROfusion MST1 work package, a series of experiments has been conducted on AUG and TCV devices to disentangle the role of plasma fueling and plasma shape for the onset of small ELM regimes. On both devices, small ELM regimes with high confinement are achieved if and only if two conditions are fulfilled at the same time. Firstly, the plasma density at the separatrix must be large enough (ne,sep/nG ∼ 0.3), leading to a pressure profile flattening at the separatrix, which stabilizes type-I ELMs. Secondly, the magnetic configuration has to be close to a double null (DN), leading to a reduction of the magnetic shear in the extreme vicinity of the separatrix. As a consequence, its stabilizing effect on ballooning modes is weakened.
URI: http://hdl.handle.net/2067/48945
ISSN: 00295515
DOI: 10.1088/1741-4326/ab2211
Appears in Collections:A1. Articolo in rivista

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