ECRF Experiments for Local Heating and Current Drive in JT-60 U

  title={ECRF Experiments for Local Heating and Current Drive in JT-60 U},
  author={Yoshitaka Ikeda and Seishiro Ide and Thiago Tiessi Suzuki and Atsushi Kasugai and Kazunori Takahashi and Kentarou Kajiwara and Akira Isayama and Tetsuo Oikawa and Kiyotaka Hamamatsu and Yutaka Kamada and Toshizo Fujita and Kenji Sakamoto and Shigetaka Moriyama and Masayuki Seki and Ryoichi Yoshino and Tsuyoshi Imai and Kota Ushigusa and T. J. Fujii},
An ECRF program has been started to study the local heating and current drive in JT-60U. The frequency of 110GHz was adopted to couple the fundamental O-mode from low field side with an oblique toroidal injection angle for current drive. Experiments were performed at the injection power of ~1.5 MW by using three gyrotrons, each of which has generated the output power up to ~0.8 MW for 3 seconds. A strongly peaked Te profile was observed and the central electron temperature increased up to ~15… CONTINUE READING


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