New High Performance “Super H-Mode” Regime Predicted by EPED, Observed on DIII-D Snyder TH/2-2 EPED model combines peeling-ballooning and KBM physics to.

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Presentation transcript:

New High Performance “Super H-Mode” Regime Predicted by EPED, Observed on DIII-D Snyder TH/2-2 EPED model combines peeling-ballooning and KBM physics to predict pedestal height & width Successfully tested on >300 cases, 5 devices Pedestal height prediction becomes multi- valued at high triangularity and high density H-mode root at low pedestal pressure Super H-mode root sits above at very high pressure (red line) Accessible via dynamic density variation (arrow) Super H regime accessed on DIII-D High pedestal and confinement Record βN with quiescent edge Prospect for improved fusion performance on ITER/DEMO (Pfus~pped2) t=3663ms