Low collisionality, peeling limited pedestals in JET-ILW: effect of density and isotope mass on pedestal structure, pedestal stability and pedestal prediction in deuterium and mixed deuterium/tritium plasmas

Low collisionality, peeling limited pedestals in JET-ILW: effect of density and isotope mass on pedestal structure, pedestal stability and pedestal prediction in deuterium and mixed deuterium/tritium plasmas

Pedestals limited by peeling instabilities have been reached in JET-ILW by operating at high ${q_{95}}$ , up to ${q_{95}} = 8.5$ . The increase in ${q_{95}}$ via the increase of the toroidal field has stabilized the ballooning modes and has allowed to reach high pedestal temperature (up to 1.5 keV f...

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Main Authors: L. Frassinetti, D. King, S. Saarelma, D. Keeling, C. Perez von Thun, C. Giroud, S. Wiesen, A. Kappatou, N. Vianello, E. Alessi, M. Brix, I.S. Carvalho, P. Carvalho, A. Chomiczewska, J.M. Fontdecaba, E. Giovannozzi, D. Kos, E. Kowalska, B. Labit, M. Lennholm, M. Maslov, A. Meigs, S. Menmuir, R.B. Morales, H. Nyström, E. Pawelec, G. Pucella, D. Silvagni, A. Stagni, H.J. Sun, JET Contributors, the EUROfusion Tokamak Exploitation Team
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
pedestal
JET-ILW
peeling
isotope mass
pedestal stability
pedestal structure
Online Access:https://doi.org/10.1088/1741-4326/ade0d1
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