Austin Welsh

ORCID: 0009-0004-1071-7555
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About
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Research Areas
  • Fusion materials and technologies
  • Magnetic confinement fusion research
  • Laser-Plasma Interactions and Diagnostics
  • Nuclear reactor physics and engineering

Abstract We present a new framework for core-edge integration studies named SICAS (SOLPS-ITER coupled to ASTRA-STRAHL) which enables simulations of the core, edge, and divertor regions describing self-consistently transport ions as well impurities through entire plasma domain. handles exchanging particle power fluxes coefficients ensure consistency codes. An overlapping region is defined from inside separatrix SOLPS-ITER core boundary allowing matching profiles between two codes...

10.1088/1741-4326/adbc02 article EN cc-by Nuclear Fusion 2025-03-03

Abstract The first achievement of highly radiating plasmas in negative triangularity is shown with an operational space featuring high core radiation at Greenwald fraction obtained the injection reactor-relevant seeded gases. These (NT) shape diverted discharges reach values normalized plasma pressure (BN > 2) no ELMs and a simultaneous reduction divertor heat flux. We demonstrate that as long impurity level kept low to avoid excessive fuel dilution accumulation, integration NT...

10.1088/1361-6587/ada1ca article EN Plasma Physics and Controlled Fusion 2024-12-20
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