Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA

T. Kobayashi; R. Ikeda; Y. Oda; K. Takahashi; H. Shidara; M. Sawahata; M. Terakado; S. Hiranai; F. Sato; K. Wada; J. Hinata; K. Yokokura; K. Hoshino; S. Moriyama

doi:10.1109/IRMMW-THz.2016.7758526

Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA

T. Kobayashi, R. Ikeda, Y. Oda, K. Takahashi, H. Shidara, M. Sawahata, M. Terakado, S. Hiranai, F. Sato, K. Wada, J. Hinata, K. Yokokura, K. Hoshino, S. Moriyama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

A gyrotron and a waveguide transmission line, which were developed for electron cyclotron heating and current drive in JT-60SA, have been tested to evaluated its high-power, long-pulse and multi-frequency capabilities. High-power oscillations up to 1.8 MW at 110 GHz and 1.3 MW at 138 GHz have been obtained so far. The spatial distribution of the temperature increase of the waveguide transmission line with 7 miter-bends has been measured and effective cooling method was developed.

Original language	English
Title of host publication	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Publisher	IEEE Computer Society
ISBN (Electronic)	9781467384858
DOIs	https://doi.org/10.1109/IRMMW-THz.2016.7758526
Publication status	Published - 2016 Nov 28
Externally published	Yes
Event	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 - Copenhagen, Denmark Duration: 2016 Sept 25 → 2016 Sept 30

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2016-November
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Other

Other	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Country/Territory	Denmark
City	Copenhagen
Period	16/9/25 → 16/9/30

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz.2016.7758526

Cite this

Kobayashi, T., Ikeda, R., Oda, Y., Takahashi, K., Shidara, H., Sawahata, M., Terakado, M., Hiranai, S., Sato, F., Wada, K., Hinata, J., Yokokura, K., Hoshino, K., & Moriyama, S. (2016). Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 Article 7758526 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2016-November). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2016.7758526

Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA. / Kobayashi, T.; Ikeda, R.; Oda, Y. et al.
41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. IEEE Computer Society, 2016. 7758526 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kobayashi, T, Ikeda, R, Oda, Y, Takahashi, K, Shidara, H, Sawahata, M, Terakado, M, Hiranai, S, Sato, F, Wada, K, Hinata, J, Yokokura, K, Hoshino, K & Moriyama, S 2016, Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA. in 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016., 7758526, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2016-November, IEEE Computer Society, 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016, Copenhagen, Denmark, 16/9/25. https://doi.org/10.1109/IRMMW-THz.2016.7758526

Kobayashi T, Ikeda R, Oda Y, Takahashi K, Shidara H, Sawahata M et al. Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. IEEE Computer Society. 2016. 7758526. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). doi: 10.1109/IRMMW-THz.2016.7758526

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abstract = "A gyrotron and a waveguide transmission line, which were developed for electron cyclotron heating and current drive in JT-60SA, have been tested to evaluated its high-power, long-pulse and multi-frequency capabilities. High-power oscillations up to 1.8 MW at 110 GHz and 1.3 MW at 138 GHz have been obtained so far. The spatial distribution of the temperature increase of the waveguide transmission line with 7 miter-bends has been measured and effective cooling method was developed.",

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AU - Oda, Y.

AU - Takahashi, K.

AU - Shidara, H.

AU - Sawahata, M.

AU - Terakado, M.

AU - Hiranai, S.

AU - Sato, F.

AU - Wada, K.

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AB - A gyrotron and a waveguide transmission line, which were developed for electron cyclotron heating and current drive in JT-60SA, have been tested to evaluated its high-power, long-pulse and multi-frequency capabilities. High-power oscillations up to 1.8 MW at 110 GHz and 1.3 MW at 138 GHz have been obtained so far. The spatial distribution of the temperature increase of the waveguide transmission line with 7 miter-bends has been measured and effective cooling method was developed.

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Progress in developments of high-power, long-pulse and multi-frequency ECH/CD system for JT-60SA

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