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Improved Heat and Particle Flux Mitigation in High Core Confinement, Baffled, Alternate Divertor Configurations in the TCV tokamak by Raj, Harshita; Theiler, C.; Thornton, A.; Fevrier, O.; Gorno, S.; Bagnato, F.; Blanchard, P.; Colandrea, C.; de Oliveira, H.; Duval, B. P.; Labit, B.; Perek, A.; Reimerdes, H.; Sheikh, U.; Vallar, M.; Vincent, B. is a scholarly article available to read on EtoBox.

What is Improved Heat and Particle Flux Mitigation in High Core Confinement, Baffled, Alternate Divertor Configurations in the TCV tokamak about?

Nitrogen seeded detachment has been achieved in the Tokamak a Configuration Variable (TCV) in advanced divertor configurations (ADCs), namely X-divertor and X-point target, with and without baffles in H-mode plasmas with high core confinement. Both ADCs show a remarkable reduction in the inter-ELM particle and heat fluxes to the target compared to the standard divertor configuration. 95-98% of the peak heat flux to the target is mitigated as a synergetic effect of ADCs, baffling, and nitrogen seeded detachment. The effect of divertor geometry and baffles on core-divertor compatibility is investigated in detail. The power balance in these experiments is also investigated to explore the physics behind the observed reduction in heat fluxes in the ADCs.

Author

Raj, Harshita; Theiler, C.; Thornton, A.; Fevrier, O.; Gorno, S.; Bagnato, F.; Blanchard, P.; Colandrea, C.; de Oliveira, H.; Duval, B. P.; Labit, B.; Perek, A.; Reimerdes, H.; Sheikh, U.; Vallar, M.; Vincent, B.

Published

2022

Language

EN