Research Of Plasma Guide And Plasma Particle Transportation In A Galatea Confinement System

Magnetic confinement system is a important device to research controlled thermonuclear fusion. The Galathea as a small magnetic controlled device was proposed by Russian scientist A.I.Morozov. Comparing with the other magnetic controlled devices, it has particular advantages, for example: simpler construction, smaller size, easy to upgrade and can suppress plasma convection instabilities. Studying Galathea device is significant to improve level of controlled thermonuclear fusion in our country. This dissertation is based on the comprehensive analysis of the Galathea, carrying out a detailed analysis of one of the core parts plasma guide, Combined with particle transport situation, proposed design or optimization programs for every part of the plasma guide and verified the programs.Firstly, discuss the function, operation principle, technical parameters and diagnostic methods of each part, carding a contact and working order between the various parts of the device, especially for whole plasma guide the division of its various parts were clearly needed to realize the function; it describes the suitable physical describe method of the plasma in Galathea.Secondly, analyzed the first part of the whole plasma guide named common plasma guide, beginning with the analysis of the single current-carrying coil magnetic field, according to the magnetic field superposition principle, the magnetic field inside the common plasma guide are analyzed and simulated. The distribution of magnetic field common plasma guide could be divided as magnetic mirror zone and uniform magnetic field zone. Analyzed and calculated the motion of plasma in magnetic mirror zone and uniform magnetic field zone; Analyzed the influence of the ampere-turns for particle transport, determined the optimal ampere turns for common plasma guide.Then,using analysis method of electromagnetic fields inverse problems, proposed a design program of auxiliary coils. Elaborated theoretical and computational design process. Analyzed and calculated the motion of quick plasma and slow plasma in the auxiliary coils zone, verified the design feasibility.Finally, analyzed the influence of incident angle of the magnetic trap and plasma guide for magnetic induction of plasma injection line.Studyed the influence of the distance and the relative angle of magnetic trap and plasma guide for the function of lock chamber. Determined the optimal relative posi tion. Analyzed transport theory of the particle in the magnetic field, established the plasma particle transport model in this area.