A new tool for two-dimensional field-reversed configuration equilibrium study
Abstract
A new tool (GSEQ-FRC) for solving two-dimensional (2D) equilibrium of field-reversed configuration (FRC) based on fixed boundary and free boundary conditions with external coils included is developed. Benefiting from the two-parameter modified rigid rotor (MRR) radial equilibrium model and the numerical approaches presented by [Ma et al, Nucl. Fusion, 61, 036046, 2021], GSEQ-FRC are used to study the equilibrium properties of FRC quantitatively and will be used for fast FRC equilibrium reconstruction. In GSEQ-FRC, the FRC equilibrium can be conveniently determined by two parameters, i.e., the ratio between thermal pressure and magnetic pressure at the seperatrix , and the normalized scrape of layer (SOL) width . Examples with fixed and free boundary conditions are given to demonstrate the capability of GSEQ-FRC in the equilibrium calculations. This new tool is used to quantitatively study the factors affecting the shape of the FRC separatrix, revealing how the FRC changes from racetrack-like to ellipse-like.
Cite
@article{arxiv.2103.00839,
title = {A new tool for two-dimensional field-reversed configuration equilibrium study},
author = {Haojie Ma and Huasheng Xie and Bihe Deng and Yukun Bai and Shikui Cheng and Yang Li and Bin Chen and Michel Tuszewski and Hanyue Zhao and Jinyuan Liu},
journal= {arXiv preprint arXiv:2103.00839},
year = {2021}
}
Comments
10 pages, 11 figures