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著者

  • Hiroshi Idei
2019

High voltage electrical system of 8.56 GHz CW klystron for electron cyclotron heating on QUEST spherical tokamak

Onchi, T., Idei, H., Nakamura, K., Nagata, T., Kawasaki, S., Ashida, R., Fukuyama, M., Hasegawa, M., Ikezoe, R., Higashijima, A., Kuroda, K., Nagashima, Y. & Hanada, K., 9 1 2019, : : Fusion Engineering and Design. 146, p. 2567-2570 4 p.

研究成果: ジャーナルへの寄稿記事

2016

Comparison between Full Wave and ray-tracing calculations to examine scenarios for electron bernstein wave heating in LHD

Igami, H., Fukuyama, A., Idei, H., Nagasaki, K., Goto, Y., Kubo, S., Shimozuma, T., Yoshimura, Y., Takahashi, H., Tsujimura, T. I. & Makino, R., 1 1 2016, : : Plasma and Fusion Research. 11, 1, 2403098.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Analysis of plasma equilibrium based on orbit-driven current density profile in steady-state plasma on QUEST

Nakamura, K., Alam, M. M., Jiang, Y. Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T. および1人, Fukuyama, A., 1 1 2016, : : Fusion Engineering and Design. 109-111, p. 1528-1533 6 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Current status and prospect of plasma control system for steady-state operation on QUEST

Hasegawa, M., Nakamura, K., Zushi, H., Hanada, K., Fujisawa, A., Tokunaga, K., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H. & Higashijima, A., 11 15 2016, : : Fusion Engineering and Design. 112, p. 699-702 4 p.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)
2018

Electron Bernstein wave detection by sub-Tera-Hz scattering in the QUEST

Kubo, S., Idei, H., Tatematsu, Y., Saito, T. & Iizawa, M., 10 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, 8510425. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; 巻数 2018-September).

研究成果: 著書/レポートタイプへの貢献会議での発言

2019

Quasi-optical polarizer system for ECHCD experiments in the QUEST

Fukuyama, M., Idei, H., Tsujimura, T. I., Kubo, S., Kobayashi, S., Yunoki, M., Onchi, T. & Ikezoe, R., 9 2019, : : Fusion Engineering and Design. 146, p. 1437-1440 4 p.

研究成果: ジャーナルへの寄稿記事

28-GHz ECHCD system with beam focusing launcher on the QUEST spherical tokamak

Idei, H., Onchi, T., Kariya, T., Tsujimura, T. I., Kubo, S., Kobayashi, S., Sakaguchi, M., Imai, T., Hasegawa, M., Nakamura, K., Mishra, K., Fukuyama, M., Yunoki, M., Kojima, S., Watanabe, O., Kuroda, K., Hanada, K., Nagashima, Y., Ejiri, A., Matsumoto, N. および7人, Ono, M., Higashijima, A., Nagata, T., Shimabukoro, S., Takase, Y., Fukuyama, A. & Murakami, S., 1 1 2019, : : Fusion Engineering and Design.

研究成果: ジャーナルへの寄稿記事

Development of high power gyrotrons for advanced fusion devices

Kariya, T., Minami, R., Imai, T., Okada, M., Motoyoshi, F., Numakura, T., Nakashima, Y., Idei, H., Onchi, T., Hanada, K., Shimozuma, T., Yoshimura, Y., Takahashi, H., Kubo, S., Oda, Y., Ikeda, R., Sakamoto, K., Ono, M., Nagasaki, K., Eguchi, T. および1人, Mitsunaka, Y., 4 26 2019, : : Nuclear Fusion. 59, 6, 066009.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)
2016

Comparison of current density profiles based on particle orbit-driven current in steady-state plasma on QUEST

Alam, M. M., Nakamura, K., Xia, F., Mitarai, O., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A. & Nagata, T., 1 1 2016, : : Fusion Engineering and Design. 109-111, p. 1624-1630 7 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Multiple wall-reflection effect in adaptive-array differential-phase reflectometry on QUEST

Idei, H., Mishra, K., Yamamoto, M. K., fujisawa, A., Nagashima, Y., Hamasaki, M., Hayashi, Y., Onchi, T., Hanada, K. & Zushi, H., 1 13 2016, : : Journal of Instrumentation. 11, 1, C01014.

研究成果: ジャーナルへの寄稿記事

2019

Prototype phased-array patch loop antennae for electron cyclotron emission diagnostics

Fukuyama, M., Idei, H., Yunoki, M., Ashida, R., Ogata, D., Ikezoe, R. & Onchi, T., 1 1 2019, : : Plasma and Fusion Research. 14, 3402111.

研究成果: ジャーナルへの寄稿記事

公開

Plasma equilibrium based on EC-driven current profile with toroidal rotation on QUEST

Nakamura, K., Alam, M. M., Jiang, Y. Z., Mitarai, O., Takechi, M., Hasegawa, M., Tokunaga, K., Hanada, K., Idei, H., Nagashima, Y., Onchi, T., Kuroda, K., Watanabe, O., Higashijima, A., Nagata, T., Shimabukuro, S., Kawasaki, S. & Fukuyama, A., 9 2019, : : Fusion Engineering and Design. 146, p. 2628-2631 4 p.

研究成果: ジャーナルへの寄稿記事

2018

Modification of plasma control system and hot-wall temperature control system for long-duration plasma sustainment in QUEST

Hasegawa, M., Nakamura, K., Hanada, K., Kawasaki, S., Kuzmin, A., Idei, H., Tokunaga, K., Nagashima, Y., Onchi, T., Kuroda, K., Watanabe, O., Higashijima, A. & Nagata, T., 4 2018, : : Fusion Engineering and Design. 129, p. 202-206 5 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)
2019

Particle balance investigation with the combination of the hydrogen barrier model and rate equations of hydrogen state in long duration discharges on an all-metal plasma facing wall in QUEST

Hanada, K., Yoshida, N., Hasegawa, M., Hatayama, A., Okamoto, K., Takagi, I., Hirata, T., Oya, Y., Miyamoto, M., Oya, M., Shikama, T., Kuzmin, A., Wang, Z. X., Long, H., Idei, H., Nagashima, Y., Nakamura, K., Watanabe, O., Onchi, T., Watanabe, H. および12人, Tokunaga, K., Higashijima, A., Kawasaki, S., Nagata, T., Shimabukuro, S., Takase, Y., Murakami, S., Gao, X., Liu, H., Qian, J., Raman, R. & Ono, M., 5 23 2019, : : Nuclear Fusion. 59, 7, 076007.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)
2017

Overview of spherical tokamak research in Japan

Takase, Y., Ejiri, A., Fujita, T., Fukumoto, N., Fukuyama, A., Hanada, K., Idei, H., Nagata, M., Ono, Y., Tanaka, H., Uchida, M., Horiuchi, R., Kamada, Y., Kasahara, H., Masuzaki, S., Nagayama, Y., Oishi, T., Saito, K., Takeiri, Y. & Tsuji-Iio, S., 6 20 2017, : : Nuclear Fusion. 57, 10, 102005.

研究成果: ジャーナルへの寄稿評論記事

2 引用 (Scopus)

Development of over-MW gyrotrons for fusion at 14 GHz to sub-THz frequencies

Kariya, T., Imai, T., Minami, R., Sakamoto, K., Oda, Y., Ikeda, R., Shimozuma, T., Kubo, S., Idei, H., Numakura, T., Tsumura, K., Ebashi, Y., Okada, M., Nakashima, Y., Yoshimura, Y., Takahashi, H., Ito, S., Hanada, K., Nagasaki, K., Ono, M. および2人, Eguchi, T. & Mitsunaka, Y., 4 11 2017, : : Nuclear Fusion. 57, 6, 066001.

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

Fully non-inductive second harmonic electron cyclotron plasma ramp-up in the QUEST spherical tokamak

Idei, H., Kariya, T., Imai, T., Mishra, K., Onchi, T., Watanabe, O., Zushi, H., Hanada, K., Qian, J., Ejiri, A., Alam, M. M., Nakamura, K., Fujisawa, A., Nagashima, Y., Hasegawa, M., Matsuoka, K., Fukuyama, A., Kubo, S., Shimozuma, T., Yoshikawa, M. および8人, Sakamoto, M., Kawasaki, S., Nakashima, H., Higashijima, A., Ide, S., Maekawa, T., Takase, Y. & Toi, K., 10 5 2017, : : Nuclear Fusion. 57, 12, 126045.

研究成果: ジャーナルへの寄稿記事

11 引用 (Scopus)
2016

Observation of an edge coherent mode and poloidal flow in the electron cyclotron wave induced high βp plasma in QUEST

Banerjee, S., Zushi, H., Nishino, N., Mishra, K., Mahira, Y., Tashima, S., Ejiri, A., Yamaguchi, T., Onchi, T., Nagashima, Y., Hanada, K., Nakamura, K., Idei, H., Hasegawa, M., Fujisawa, A., Kuzmin, A. & Matsuoka, K., 8 1 2016, : : Physics of Plasmas. 23, 8, 082507.

研究成果: ジャーナルへの寄稿記事

2017

Effect of magnetic structure on RF-induced breakdown in QUEST

Yoneda, R., Hanada, K., Nakamura, K., Idei, H., Yoshida, N., Hasegawa, M., Onchi, T., Kuroda, K., Kawasaki, S., Higashijima, A., Nagata, T., Isayama, A., Mitarai, O., Fukuyama, A. & Takase, Y., 6 1 2017, : : Physics of Plasmas. 24, 6, 062513.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)
2018

Initial results from solenoid-free plasma start-up using Transient CHI on QUEST

Kuroda, K., Raman, R., Hanada, K., Hasegawa, M., Onchi, T., Ono, M., Nelson, B. A., Jarboe, T. R., Nagata, M., Mitarai, O., Nakamura, K., Idei, H., Rogers, J., Kawasaki, S., Nagata, T., Kuzmin, A., Kojima, S., Huang, C., Watanabe, O., Higashijima, A. および3人, Takase, Y., Fukuyama, A. & Murakami, S., 9 14 2018, : : Plasma Physics and Controlled Fusion. 60, 11, 115001.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)
2016

Development of 28/35 GHz dual-frequency gyrotron for ECH study

Kariya, T., Imai, T., Minami, R., Tsumura, K., Ebashi, Y., Idei, H., Hanada, K., Ono, M., Komurasaki, K., Numakura, T., Endo, Y. & Nakashima, Y., 10 11 2016, Open Magnetic Systems for Plasma Confinement, OS 2016: Proceedings of the 11th International Conference on Open Magnetic Systems for Plasma Confinement. Arakcheev, A. & Sudnikov, A. (版). American Institute of Physics Inc., 030020. (AIP Conference Proceedings; 巻数 1771).

研究成果: 著書/レポートタイプへの貢献会議での発言

2017

Plasma equilibrium based on RF-driven current profile without assuming nested magnetic surfaces on QUEST

Nakamura, K., Alam, M. M., Jiang, Y. Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T. および1人, Fukuyama, A., 11 2017, : : Fusion Engineering and Design. 123, p. 532-534 3 p.

研究成果: ジャーナルへの寄稿記事

2016

Guiding Center Orbit Calculation for Evaluating the Current Density Distributions of the Electrons in Electron Cyclotron Heating on QUEST

Alam, M. M., Nakamura, K., Idei, H., Hasegawa, M., Tokunaga, K., Araki, K., Hanada, K., Fujisawa, A., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Xia, F. & Mitarai, O., 9 2016, : : IEEE Transactions on Plasma Science. 44, 9, p. 1666-1671 6 p., 7482769.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Current density calculation from particle orbit in RF-driven divertor plasma on QUEST

Alam, M. M., Nakamura, K., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Xia, F. & Mitarai, O., 5 31 2016, 2015 IEEE 26th Symposium on Fusion Engineering, SOFE 2015. Institute of Electrical and Electronics Engineers Inc., 7482308. (Proceedings - Symposium on Fusion Engineering; 巻数 2016-May).

研究成果: 著書/レポートタイプへの貢献会議での発言

Origin and Evolution of Spontaneous Rotation in Plasma under Different Magnetic Field Geometries in Tokamak QUEST

QUEST Team, 4 2016, : : IEEE Transactions on Plasma Science. 44, 4, p. 441-447 7 p., 7416222.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Adaptive-Array electron cyclotron emission diagnostics using data streaming in a software defined radio system

Idei, H., Mishra, K., Yamamoto, M. K., Hamasaki, M., Fujisawa, A., Nagashima, Y., Hayashi, Y., Onchi, T., Hanada, K. & Zushi, H., 4 14 2016, : : Journal of Instrumentation. 11, 4, C04010.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Kinetic full wave analysis of electron cyclotron wave mode conversion in tokamak plasmas

Khan, S. A., Fukuyama, A., Igami, H. & Idei, H., 1 1 2016, : : Plasma and Fusion Research. 11, Specialissue1, 2403070.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)
2017

Erratum: Current Start-Up Using the New CHI System [Plasma Fusion Res., 12, (2017) (1202020)] DOI: 10.1585/pfr.12.1202020

Kuroda, K., Raman, R., Hanada, K., Hasegawa, M., Onchi, T., Ono, M., Jarboe, T. R., Nelson, B. A., Nagata, M., Mitarai, O., Nakamura, K., Idei, H., Rogers, J., Kawasaki, S., Nagata, T., Kuzmin, A., Kojima, S., Watanabe, O., Higashijima, A., Takase, Y. および1人, Fukuyama, A., 1 1 2017, : : Plasma and Fusion Research. 12, 1902026.

研究成果: ジャーナルへの寄稿コメント/討論

公開

Optimized design of polarizers with low ohmic loss and any polarization state for the 28 GHz QUEST ECH/ECCD system

Tsujimura, T. I., Idei, H., Kubo, S. & Kobayashi, S., 1 1 2017, : : Fusion Engineering and Design. 114, p. 97-101 5 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Current start-up using the new CHI system

Kuroda, K., Raman, R., Hanada, K., Hasegawa, M., Onchi, T., Ono, M., Jaboe, T., Nelson, B. A., Nagata, M., Mitarai, O., Nakamura, K., Idei, H., Rogers, J., Kawasaki, S., Nagata, T., Kuzmin, A., Kojima, S., Watanabe, O., Higashijima, A., Takase, Y. および1人, Fukuyama, A., 1 1 2017, : : Plasma and Fusion Research. 12, 1202020.

研究成果: ジャーナルへの寄稿記事

7 引用 (Scopus)
2018

Spectroscopic measurements of impurity ion toroidal and poloidal flow velocities and their dependence on vertical magnetic field in QUEST toroidal ECR plasmas

Yoneda, N., Shikama, T., Zushi, H., Hanada, K., Fujikawa, A., Onchi, T., Kuroda, K., Nii, K., Hasuo, M., Hasegawa, M., Idei, H., Nakamura, K., Nagashima, Y., Higashijima, A. & Nagata, T., 1 1 2018, : : Plasma and Fusion Research. 13, 3402087.

研究成果: ジャーナルへの寄稿記事

公開
1 引用 (Scopus)
2017

Measurement of thickness of film deposited on the plasma-facing wall in the QUEST tokamak by colorimetry

Wang, Z., Hanada, K., Yoshida, N., Shimoji, T., Miyamoto, M., Oya, Y., Zushi, H., Idei, H., Nakamura, K., Fujisawa, A., Nagashima, Y., Hasegawa, M., Kawasaki, S., Higashijima, A., Nakashima, H., Nagata, T., Kawaguchi, A., Fujiwara, T., Araki, K., Mitarai, O. および3人, Fukuyama, A., Takase, Y. & Matsumoto, K., 9 1 2017, : : Review of Scientific Instruments. 88, 9, 093502.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

Investigation of hydrogen recycling in long-duration discharges and its modification with a hot wall in the spherical tokamak QUEST

Hanada, K., Yoshida, N., Honda, T., Wang, Z., Kuzmin, A., Takagi, I., Hirata, T., Oya, Y., Miyamoto, M., Zushi, H., Hasegawa, M., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Watanabe, O., Onchi, T., Kuroda, K., Long, H., Watanabe, H. および7人, Tokunaga, K., Higashijima, A., Kawasaki, S., Nagata, T., Takase, Y., Fukuyama, A. & Mitarai, O., 10 26 2017, : : Nuclear Fusion. 57, 12, 126061.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)
2019

Estimation of fuel particle balance in steady state operation with hydrogen barrier model

Hanada, K., Yoshida, N., Takagi, I., Hirata, T., Hatayama, A., Okamoto, K., Oya, Y., Shikama, T., Wang, Z., Long, H., Huang, C., Oya, M., Idei, H., Nagashima, Y., Onchi, T., Hasegawa, M., Nakamura, K., Zushi, H., Kuroda, K., Kawasaki, S. および10人, Higashijima, A., Nagata, T., Shimabukuro, S., Takase, Y., Murakami, S., Gao, X., Liu, H., Qian, J., Raman, R. & Ono, M., 5 2019, : : Nuclear Materials and Energy. 19, p. 544-549 6 p.

研究成果: ジャーナルへの寄稿記事

公開
1 引用 (Scopus)
2016

Hydrogen flux measurements with permeation probes in spherical tokamak QUEST

Kuzmin, A., Zushi, H., Takagi, I., Sharma, S. K., Hirooka, Y., Kobayashi, M., Sakamoto, M., Hanada, K., Onchi, T., Oyama, Y., Youshida, N., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Hasegawa, M. & Mishra, K., 7 1 2016, : : Vacuum. 129, p. 178-182 5 p.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)
2017

Spatial distribution of atomic and ion hydrogen flux and its effect on hydrogen recycling in long duration confined and non-confined plasmas

Kuzmin, A., Zushi, H., Takagi, I., Sharma, S. K., Kobayashi, M., Hirooka, Y., Onchi, T., Hanada, K., Yoshida, N., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Hasegawa, M., Mutoh, T., Mishra, K. & Ohwada, H., 8 2017, : : Nuclear Materials and Energy. 12, p. 627-632 6 p.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)
2019

HFS injection of X-mode for EBW conversion in QUEST

Elserafy, H., Hanada, K., Kuroda, K., Idei, H., Yoneda, R., Huang, C., Kojima, S., Hasegawa, M., Nagashima, Y., Onchi, T., Ikezoe, R., Higashijima, A., Nagata, T., Kawasaki, S., Shimabukuro, S., Bertelli, N. & Ono, M., 1 1 2019, : : Plasma and Fusion Research. 14, 1, 1205038.

研究成果: ジャーナルへの寄稿記事

2016

Response of the far scrape-off layer plasma to strong gas puffing in the high poloidal beta configuration of the QUEST spherical tokamak

Onchi, T., Zushi, H., Mishra, K., Oyama, Y., Nagashima, Y., Hanada, K., Idei, H., Hasegawa, M., Kuzmin, A., Miura, H., Nakamura, K., Fujisawa, A. & Nagaoka, K., 9 15 2016, : : Plasma Physics and Controlled Fusion. 58, 11, 115004.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)
2018

Effect of magnetic shear on edge turbulence in SOL-like open field line configuration in QUEST

Banerjee, S., Zushi, H., Nishino, N., Hanada, K., Idei, H., Nakamura, K., Hasegawa, M., Fujisawa, A., Nagashima, Y., Mishra, K., Tashima, S., Onchi, T., Kuzmin, A. & Matsuoka, K., 6 28 2018, : : Plasma Physics and Controlled Fusion. 60, 8, 085014.

研究成果: ジャーナルへの寄稿記事

2016

Power Balance Estimation in Long Duration Discharges on QUEST

Hanada, K., Zushi, H., Idei, H., Nakamura, K., Ishiguro, M., Tashima, S., Kalinnikova, E. I., Nagashima, Y., Hasegawa, M., Fujisawa, A., Higashijima, A., Kawasaki, S., Nakashima, H., Mitarai, O., Fukuyama, A., Takase, Y., Gao, X., Liu, H., Qian, J., Ono, M. および1人, Raman, R., 11 2016, : : Plasma Science and Technology. 18, 11, p. 1069-1075 7 p.

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

Comparative studies of inner and outer divertor discharges and a fueling study in QUEST

QUEST group, 1 1 2016, : : Fusion Engineering and Design. 109-111, p. 1365-1370 6 p.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)