S Kenji

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Experiments in LHD have been developing steadily since the first plasma in 1998. Many encouraging physical achievements have emerged during five experimental campaigns. The most significant finding(More)
  • SEKI Tetsuo, KUMAZAWA Ryuhei, +6 authors WATARI Tetsuo
One of the engineering targets of ion cyclotron range of frequency (ICRF) heating for LHD is to operate in high power (up to 12 MW) and steady state (30 minutes). Research and development of ICRF(More)
  • TAKEUCHI Norio, KUMAZAWA Ryuheit, +6 authors YAMAMOTO Taro
  • 2008
A combline antenna was designed and fabricated to improve the plasma performance of the LHD. It has a capability to drive plasma current and to heat the plasma by ICRF heating. The LHD combline(More)
  • SASAO MamiKol, ISOBE MitsutaKa KRASILNIKOV Anatolii V.', SEKI Tetsuo, S Kenji, SAIDA Tomoya, MURAKAMI Sadayoshi
The neutralization effect for energetic protons in Large Helical Device (LHD) was estimated from the high energy neutral flux measured by Natural Diamond Detectors (NDD). The neutral-and(More)