Pellet-Size Scaling of Quasi-Steady-State Plasma Performance in Wendelstein 7-X

Keisuke Fujii, Edgardo Villalobos Granados, Maryam Huck +11

A continuous cryogenic-pellet injector has been used to realize long-pulse high-performance plasmas in Wendelstein 7-X (W7-X). A hydrogen ice pellet deposits particles directly in…