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 TP11: Poster Session VII: In-Person, Hall A (9:30-11:00am) and Virtual Poster Presentations (11:15am-12:30pm)
MFE: FRC, RFPs etc
ICF: Fast Ignition; Diagnostics; Computational; Laser Plasma Interactions
FUND: Computation
9:30 AM - 12:30 PM
Thursday, October 20, 2022
Room: Exhibit Hall A and Online
Abstract: TP11.00068 : MCTrans++: A Scoping Tool for Centrifugal Mirrors*
Presenter:
Nick R Schwartz
(University of Maryland, College Park)
Authors:
Nick R Schwartz
(University of Maryland, College Park)
Ian G Abel
(University of Maryland, College Park)
Adil B Hassam
(University of Maryland, College Park)
Myles Kelly
(University of Maryland, College Park)
Collaboration:
CMFX (Centrifugal Mirror Fusion Experiment)
In the collisionless regime, the losses agree with Pastukhov, and the confining potential is due to both an ambipolar and centrifugal potential, whereas the perpendicular losses are classical. Radiation losses such as Bremsstrahlung, cyclotron, and line radiation are all accounted for. A neutrals model suggests that the dominant energy loss is through charge exchange.
The steady-state is found with the SUNDIALS ARKODE package, and has two methods of solving -- fixed voltage and fixed temperature. The software is also suitable for use in a non-linear optimizer, and can be operated with time-dependence, representing a capacitive discharge, for example. This transport code has been used to verify results from prior centrifugal mirrors, create an experimental plan for CMFX, and find configurations for reactor-scale fusion devices.
*This work was supported by ARPA-E Grant No. DE-AR0001270 as part of the BETHE program.
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