Domonkos M T, Amdahl D, Camacho J F, Coffey S K, Degnan J H, Delaney R, Frese M, Gale D, Grabowski T C, Gribble R, Intrator T P, McCullough J, Montano N, Robinson P R, Wurden G
Directed Energy Directorate, Air Force Research Laboratory, Kirtland AFB, New Mexico 87117, USA. AFRL/
Rev Sci Instrum. 2013 Apr;84(4):043507. doi: 10.1063/1.4801952.
Detailed calculations of the formation, guide, and mirror applied magnetic fields in the FRC compression-heating experiment (FRCHX) were conducted using a commercially available generalized finite element solver, COMSOL Multiphysics(®). In FRCHX, an applied magnetic field forms, translates, and finally captures the FRC in the liner region sufficiently long to enable compression. Large single turn coils generate the fast magnetic fields necessary for FRC formation. Solenoidal coils produce the magnetic field for translation and capture of the FRC prior to liner implosion. Due to the limited FRC lifetime, liner implosion is initiated before the FRC is injected, and the magnetic flux that diffuses into the liner is compressed. Two-dimensional axisymmetric magnetohydrodynamic simulations using MACH2 were used to specify optimal magnetic field characteristics, and this paper describes the simulations conducted to design magnetic field coils and compression hardware for FRCHX. This paper presents the vacuum solution for the magnetic field.
利用商用通用有限元求解器COMSOL Multiphysics(®)对场反向配置（FRC）压缩加热实验（FRCHX）中形成场、引导场和磁镜场进行了详细计算。在FRCHX中，施加的磁场形成、平移，并最终在衬套区域捕获FRC足够长的时间以实现压缩。大型单匝线圈产生FRC形成所需的快速磁场。螺线管线圈在衬套内爆之前产生用于FRC平移和捕获的磁场。由于FRC寿命有限，在注入FRC之前就启动了衬套内爆，扩散到衬套中的磁通量被压缩。使用MACH2进行二维轴对称磁流体动力学模拟以确定最佳磁场特性，本文描述了为设计FRCHX的磁场线圈和压缩硬件而进行的模拟。本文给出了磁场的真空解。
