Integrated Operation of Steady-state Long Pulse H-mode in EAST

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Presentation transcript:

Integrated Operation of Steady-state Long Pulse H-mode in EAST A world record discharge of 101.2 s H-mode achieved with W-divertor VLoop~ 0.0, H98y2 ~1.1, Ptot ~3.5 MW Steady-state fully non-inductive high-bP scenarios up to 25 s demonstrated with extension of operational regime up to βP~2.0 and βN~1.6 using LHCD and ECH High CD efficiency at high density with low recycling wall and integrated control High fBS~40-50% with high density fGr~0.6-0.8 and H98y2>1.0 at q95~6.0-7.0 Broad q-profile, Shafranov shift ( βP) and e-ITB is key to high performance Small/no ELM is essential for Steady-state Operation Zero or low torque experiments (low toroidal rotation) on EAST may contribute to ITER VLoop ~ 0 q95 ~ 6.0-7.0 by only RF H&CD on W-Divertor X. Gong, et al, IAEA-CN-258/EX/3-1