Author :
Kuriyama, M. ; Akino, N. ; Ebisawa, N. ; Grisham, L. ; Hanada, M. ; Honda, A. ; Itoh, T. ; Kawai, M. ; Kazawa, M. ; Koizumi, J. ; Mogaki, K. ; Ohara, Y. ; Ohga, T. ; Ohmori, K. ; Okumura, Y. ; Oohara, H. ; Ohshima, K. ; Satoh, F. ; Seki, H. ; Takenouchi,
Author_Institution :
Naka Fusion Res. Establ., JAERI, Ibaraki, Japan
Abstract :
The negative-ion based NBI for JT-60U has been making efforts to increase beam power and beam energy since the operation started in March 1996. The NBI system has already operated negative ion beams of 14.3 A at 380 keV with deuterium and 18.4 A at 350 keV with hydrogen. In the beam injection into JT-60U, a deuterium neutral beam power of 3.6 MW at 350 keV has been injected for 0.9 sec, and plasma reactions against the high energy beam injection with the N-NBI have been confirmed to be in agreement with a theoretical prediction
Keywords :
fusion reactor design; fusion reactor ignition; fusion reactor operation; plasma beam injection heating; plasma toroidal confinement; 14.3 A; 18.4 A; 3.6 MW; 350 keV; 380 keV; D; H; JT-60U; fusion reactors; high power beam operation; negative-ion based NBI; neutral beam injection; plasma reactions; tokamak; Deuterium; Heating; Ion beams; Ion sources; Particle beam injection; Particle beams; Plasma density; Plasma devices; Plasma properties; Plasma sources;
