EX/2-5: Plasma shape and fueling dependence on the small ELMs regime in TCV and AUG B. Labit et al. A transition from Type-I to Type-II/grassy ELMs is.

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EX/2-5: Plasma shape and fueling dependence on the small ELMs regime in TCV and AUG B. Labit et al. A transition from Type-I to Type-II/grassy ELMs is obtained either by approaching a DN (AUG) or by increasing the upper triangularity (TCV) Current understanding: Close to DN and/or at high d : ballooning modes at the separatrix are unstable pressure profile flattens pedestal width shrinks Type-I partially stabilized AUG and TCV parameters for small ELM regimes and comparison with ITER BL q95 d bpol n*ped fGW,ped ne,sep/ne,ped Dsep AUG (type-II) 4.5 0.37 1.2 1.39 0.82 0.4 <5lq TCV (grassy) 0.54 1.3 1.95 0.32 0.2 ITER 3 0.6 0.1 0.6-0.8 - ~50lq