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"New idea for fusion reactor: integrated core - SOL simulations for SPARC tokamak”, dr Irena Ivanova-Stanik, IFPiLM

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The SPARC tokamak is being designed to demonstrate significant fusion gain using a modestly sized device (major R = 1.85 m and minor, a = 057m radius) with high magnetic field enabled by recent advances in high-temperature superconductor technology. This talk present integrated numerical modelling applied to SPARC v2 H-mode scenario with tungsten wall and single null (SN) divertor configuration. Simulation are peformed with the COREDIV code, which self-consistently solves 1D radial transport equations for plasma and impurities in the core region and 2D multi-fluid transport in the SOL. The effect of the plasma density on fusion performance and SOL/divertor parameters is investigated for baseline scenario characterised by Ipl=8.7 MA, Btor=12.2 T, with different auxiliary heating: and neon seeding. The confinement in terms of the H-factor (IPB98(y,2) is equal to 1.0. The heating due to alpha power is calculated self-consistently considering the dilution effect due to helium and impurities accumulation.

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Research projects carried out at the IPPLM are funded by the Polish Ministry of Education and Science, the National Science Centre and by the European Commission within the framework of EUROfusion Consortium under grant agreement No 633053. Financial support comes also from the International Atomic Energy Agency, European Space Agency and LaserLab Consortium as well as from the Fusion for Energy Agency.

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