Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session PO03: Whole Device Modeling and Reactors
2:00 PM–5:00 PM,
Wednesday, October 19, 2022
Room: Ballroom 100 C
Chair: Christopher Holland, University of California, San Diego
Abstract: PO03.00001 : Investigation of the sensitivity of engineering performance metrics to the plasma profiles for the ARC reactor.*
2:00 PM–2:12 PM
Presenter:
Katarzyna Borowiec
(Oak Ridge National Laboratory)
Authors:
Katarzyna Borowiec
(Oak Ridge National Laboratory)
Jin Whan Bae
(Oak Ridge National Laboratory)
Vittorio Badalassi
(Oak Ridge National Laboratory)
Jin Myung Park
(Oak Ridge National Laboratory)
The affordable, robust, compact (ARC) reactor design was selected for this study. The ARC design, with its rare-earth barium copper oxide magnets, allows for a compact design which significantly lowers the investment cost. However, design compactness increases the particle and heat fluxes which poses an extreme engineering challenge.
We used a 3D CAD geometry for the fusion neutron transport with fine-resolution tetrahedral mesh tallies to observe the localized wall loading trends along the reactor wall with the changes to the plasma profiles and MHD equilibrium calculated by the IPS-FASTRAN modeling. It has been shown that the plasma profile shape can influence the localized wall loading by up to 10% but maintain the global design performance, such as the tritium breeding ratio. The tradeoff between the plasma performance and localized wall loading will be discussed to optimize the triangularity and elongation of the plasma shape.
*This project has been funded under contract ARPA-E GAMOW award DE-AR0001369 and SciDAC under Contract DE-AC05-00OR22725 with the US Department of Energy.
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