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 UP11: Poster Session VIII: In-Person, Hall A (2:00-3:30pm) and Virtual Poster Presentations (3:45-5:00pm)
MFE: Whole Device Modeling, High Field Tokamaks, Tokamak Physics, DIII-D
FUND:Reconnection, Turbulence
2:00 PM - 5:00 PM
Thursday, October 20, 2022
Room: Exhibit Hall A and Online
Abstract: UP11.00036 : Evaluating Coil Sets for a High-Field Reactor at Negative Triangularity*
Presenter:
Nikolai de Boucaud
(General Atomics)
Authors:
Nikolai de Boucaud
(General Atomics)
Alessandro Marinoni
(Massachusetts Institute of Technology)
Theodore Golfinopoulos
(Massachusetts Institute of Technology)
To find requirements for a reactor coil set, a Python workflow was created that can generate equilibria and find coil stresses, currents and plasma shapes by running the FreeGS equilibrium solver. The workflow is applied to the ARC baseline design to evaluate 260,000 configurations of poloidal field coil locations and plasma shapes with both positive and negative triangularity. Configurations are assessed via cost analysis, penalizing those that can’t create desired shapes, require high coil currents or cause high coil forces. It was found that NegT cases are able to achieve costs comparable to and, on average, lower than positive triangularity cases in the costing workflow developed.
*Work supported in part by US DoE under the Science Undergraduate Laboratory Internship (SULI) program, DE-SC0016154, and DE-SC0014264.
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