Hybrid H-mode scenario with nitrogen seeding and type III ELMs in JET

The performance of the ‘hybrid’ H-mode regime (long pulse operation with high neutron fluency) has been extensively investigated in JET during the 2005–2007 experimental campaign up to normalized pressure βN = 3, toroidal magnetic field Bt = 1.7 T, with type I ELMs plasma edge conditions. The optimi...

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Hauptverfasser:	Corre, Y, Joffrin, E, Monier-Garbet, P, Andrew, Y, Arnoux, G, Beurskens, M, Brezinsek, S, Brix, M, Buttery, R, Coffey, I, Crombé, Kristel, De La Luna, E, Felton, R, Giroud, C, Hacquin, S, Hobirk, J, Huber, A, Imbeaux, F, Jachmich, S, Kempenaars, M, Litaudon, X, Leggate, H, Loarer, T, Maddison, G, Rachlew, E, Rapp, J, Sauter, O, Savchkov, A, Telesca, G, Widdowson, A, Zastrow, K.-D, Zimmermann, O
Format:	Artikel
Sprache:	eng
Schlagworte:	ELMs nitrogen seeding Nuclear Fusion Physics and Astronomy
Online-Zugang:	Volltext
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Zusammenfassung:	The performance of the ‘hybrid’ H-mode regime (long pulse operation with high neutron fluency) has been extensively investigated in JET during the 2005–2007 experimental campaign up to normalized pressure βN = 3, toroidal magnetic field Bt = 1.7 T, with type I ELMs plasma edge conditions. The optimized external current drive sources, self-generated non-inductive bootstrap current and plasma core stability properties provide a good prospect of achieving a high fusion gain at reduced plasma current for long durations in ITER.
ISSN:	0741-3335