Progress in ECRF antenna development for JT-60SA

Takayuki Kobayashi,Akihiko Isayama,Koichi Hasegawa,Sadaaki Suzuki,Shinichi Hiranai,Fumiaki Sato,Kenji Wada,Kenji Yokokura,Mitsugu Shimono,Masayuki Sawahata,Masayuki Terakado,Jun Hinata,Koji Takahashi,Ken Kajiwara,Yasuhisa Oda,Keishi Sakamoto,Katsumichi Hoshino,Shinichi Moriyama

Fusion Engineering and Design（2011）

Cited 6|Views92

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Abstract

Structural, mechanical and optical design work on antennas/launchers for the electron cyclotron range of frequency heating and current drive system in JT-60 Super Advanced (JT-60SA) have been advanced based on a linear motion antenna concept. A CAD model of the launcher was built with realistic component sizes. A mock-up of the steering structure consisting of two different bellows sections for poloidal and toroidal beam scanning was fabricated to test movement of the bellows. The poloidal (−40° to +20°) and toroidal (−15° to +15°) injection angle ranges required in JT-60SA were shown to be realized by this steering structure and mirrors.

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Key words

ECRF,Antenna,Linear motion,Mock-up,Poloidal and toroidal angles,JT-60SA

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