Heat flux mitigation by impurity seeding in high-field tokamaks
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DOI: 10.1088/1741-4326/aa5145
Abstract: The ability for tokamaks to exhaust power in the boundary via impurity radiation is explored using empirical scalings and a simple 0D exhaust model, focusing on the scaling with toroidal field and major radius. By… read more here.
Keywords: field; impurity seeding; high field; heat flux ... See more keywords
Enhancement of plasma ion temperature by impurity seeding in H-mode plasmas
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DOI: 10.1088/1741-4326/ac2874
Abstract: Effect of impurity seeding on plasma global confinement has been investigated in H-mode plasmas of the HL-2A tokamak. Metal and gas impurities can be externally seeded by laser blow-off (LBO) and supersonic molecular beam injection… read more here.
Keywords: mode; plasma; temperature; ion ... See more keywords
Long-pulse H-mode operation with stored-energy monitoring for detachment feedback control with a new lower tungsten divertor in EAST
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DOI: 10.1088/1741-4326/acd014
Abstract: One of the key challenges for future fusion research is to mitigate the high steady-state heat load on the divertor target plates, and divertor detachment offers a promising solution. The Experimental Advanced Superconducting Tokamak (EAST)… read more here.
Keywords: operation; impurity seeding; energy; stored energy ... See more keywords