Fig. 1: Plasma parameters for a high-βp discharge (#180257) with active feedback control of detachment via N2 seeding.
From: Integration of full divertor detachment with improved core confinement for tokamak fusion plasmas
a NBI heating power (red) and line-averaged density. b The peak electron pressure (red) and pedestal top electron pressure (black) measured by the Thomson scattering system. c Fraction of radiation/NBI power and IR peak heat flux (red). d βN (red), βp (black), and H98 (blue). e Preset and measured Isat/Iroll for divertor detachment feedback control, nitrogen gas puffing rate. f Peak particle flux and Te near the outer strike point, with 1 A/cm2 corresponding to particle flux of 6.24 × 1022 m−2 s−1.
