Title :
Development of continuous pellet injector for Large Helical Device
Author :
Sato, K.N. ; Onozuka, M. ; Oda, Y. ; Sakakita, H. ; Liang, R. ; Sudo, S. ; Kaneko, H. ; Sakamoto, M. ; Goto, Satoshi
Author_Institution :
Nat. Inst. for Fusion Sci., Nagoya, Japan
Abstract :
Prototype continuous pellet injector has been designed and is under construction for the Large Helical Device at National Institute for Fusion Science in Japan. This injector is a centrifuge type, aiming at long-pulse pellet injection. A centrifuge pellet injector is a mechanical device that utilizes centrifugal force to accelerate solid hydrogen-isotope pellets using a high-speed rotating rotor. The injector consists of a hydrogen-isotope filament extruder, a pellet forming device, and a pellet accelerator. It is expected that pellets of 1 mm and 1.5 mm in diameter and length will be accelerated up to 800 m/sec in this system
Keywords :
fusion reactor design; fusion reactor operation; fusion reactors; stellarators; Large Helical Device; centrifuge pellet injector; continuous pellet injector; high-speed rotating rotor; hydrogen-isotope filament extruder; long-pulse pellet injection; pellet accelerator; pellet forming device; solid hydrogen-isotope pellets; Acceleration; Inductors; Physics; Plasma accelerators; Plasma devices; Plasma simulation; Plasma transport processes; Solids; Steady-state; Toroidal magnetic fields;
Conference_Titel :
Fusion Engineering, 1993., 15th IEEE/NPSS Symposium on
Conference_Location :
Hyannis, MA
Print_ISBN :
0-7803-1412-3
DOI :
10.1109/FUSION.1993.518277
