研究成果の検索

検索コンセプト
選択されたフィルター

出版年

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011

著者

  • Akihide Fujisawa
2020

Electron heating of over-dense plasma with dual-frequency electron cyclotron waves in fully non-inductive plasma ramp-up on the QUEST spherical tokamak

Idei, H., Onchi, T., Mishra, K., Zushi, H., Kariya, T., Imai, T., Watanabe, O., Ikezoe, R., Hanada, K., Ono, M., Ejiri, A., Qian, J., Nakamura, K., Fujisawa, A., Nagashima, Y., Hasegawa, M., Matsuoka, K., Fukuyama, A., Kubo, S., Yoshikawa, M. および6人, Sakamoto, M., Kawasaki, S., Higashijima, A., Ide, S., Takase, Y. & Murakami, S., 1 1 2020, : : Nuclear Fusion. 60, 1, 016030.

研究成果: ジャーナルへの寄稿記事

2019
1 引用 (Scopus)

Comparison of conditional average using threshold and template methods for quasi-periodic phenomena in plasmas

ASDEX Upgrade Team, 1 1 2019, : : Plasma and Fusion Research. 14, 1402114.

研究成果: ジャーナルへの寄稿記事

公開

Estimation of particle flux driven by coherent mode using of statistical conditional averaging

Kawachi, Y., Inagaki, S., Hasamada, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Yamada, T., Zhang, B. & Fujisawa, A., 1 1 2019, : : Plasma and Fusion Research. 14, 1402090.

研究成果: ジャーナルへの寄稿記事

公開

Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

Arakawa, H., Inagaki, S., Kosuga, Y., Sasaki, M., Kin, F., Hasamada, K., Yamasaki, K., Kobayashi, T., Yamada, T., Nagashima, Y., Fujisawa, A., Kasuya, N., Itoh, K. & Itoh, S. I., 10 1 2019, : : IEEJ Transactions on Electrical and Electronic Engineering. 14, 10, p. 1450-1454 5 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

Kin, F., Fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Inagaki, S., Nagashima, Y., Yamada, T., Kasuya, N., Yamasaki, K., Hasamada, K., Zhang, B. Y., Kawachi, Y., Arakawa, H., Kobayashi, T. & Itoh, S. I., 4 1 2019, : : Physics of Plasmas. 26, 4, 042306.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Roles of solitary eddy and splash in drift wave-zonal flow system in a linear magnetized plasma

Arakawa, H., Sasaki, M., Inagaki, S., Kosuga, Y., Kobayashi, T., Kasuya, N., Yamada, T., Nagashima, Y., Kin, F., Fujisawa, A., Itoh, K. & Itoh, S. I., 5 1 2019, : : Physics of Plasmas. 26, 5, 052305.

研究成果: ジャーナルへの寄稿記事

公開

Spatial structure of low-frequency fluctuations throughout the transition of poloidal flow velocity in edge plasmas of LHD

Moon, C., Kobayashi, T., Ida, K., Tokuzawa, T., Hidalgo, C., Yoshinuma, M., Ogawa, K., Itoh, K. & Fujisawa, A., 9 1 2019, : : Physics of Plasmas. 26, 9, 092302.

研究成果: ジャーナルへの寄稿記事

公開

Study of turbulence intermittency in linear magnetized plasma

Zhang, B., Inagaki, S., Hasamada, K., Yamasaki, K., Kin, F., Nagashima, Y., Yamada, T. & Fujisawa, A., 10 7 2019, : : Plasma Physics and Controlled Fusion. 61, 11, 115010.

研究成果: ジャーナルへの寄稿記事

公開
2018

Density profile measurement with a heavy ion beam probe in a toroidal plasma of the compact helical system

Shimizu, A., Fujisawa, A., Ohshima, S., Nakano, H., Minami, T., Isobe, M., Okamura, S. & Matsuoka, K., 11 1 2018, : : Review of Scientific Instruments. 89, 11, 113507.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Determination of spatiotemporal structure of fluctuations by statistical averaging method

Kawachi, Y., Inagaki, S., Tomita, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Hasamada, K., Zhang, B. & Fujisawa, A., 1 1 2018, : : Plasma and Fusion Research. 13, 3401105.

研究成果: ジャーナルへの寄稿記事

公開
3 引用 (Scopus)

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

Evaluation of measurement signal of heavy ion beam probe of energetic-particle driven geodesic acoustic modes

Sasaki, M., Itoh, K., Ido, T., Shimizu, A., Kobayashi, T., Arakawa, H., Kasuya, N., Fujisawa, A. & Itoh, S. I., 1 1 2018, : : Plasma and Fusion Research. 13, 3403040.

研究成果: ジャーナルへの寄稿記事

公開

Experimental research plan of nonlinearity of tokamak edge turbulence in plasma turbulence observatory

Nagashima, Y. & Fujisawa, A., 8 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (版). American Institute of Physics Inc., 020006. (AIP Conference Proceedings; 巻数 1993).

研究成果: 著書/レポートタイプへの貢献会議での発言

Extraction of nonlinear waveform in turbulent plasma

Kin, F., Itoh, K., Fujisawa, A., Kosuga, Y., Sasaki, M., Yamada, T., Inagaki, S., Itoh, S. I., Kobayashi, T., Nagashima, Y., Kasuya, N., Arakawa, H., Yamasaki, K. & Hasamada, K., 6 1 2018, : : Physics of Plasmas. 25, 6, 062304.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

Nonlinear characteristics of mediator and streamer in linear magnetized plasmas

Kin, F., Fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Yamada, T., Inagaki, S., Itoh, S. I., Kobayashi, T., Nagashima, Y., Kasuya, N., Arakawa, H., Yamasaki, K. & Hasamada, K., 1 1 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Berndt, J., Coda, S., Lapenta, G., Michaut, C., Weber, S. & Mantsinen, M. (版). European Physical Society (EPS), p. 565-568 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; 巻数 2018-July).

研究成果: 著書/レポートタイプへの貢献会議での発言

Past and present experiments toward PLATO project

Fujisawa, A., 8 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (版). American Institute of Physics Inc., 020011. (AIP Conference Proceedings; 巻数 1993).

研究成果: 著書/レポートタイプへの貢献会議での発言

2 引用 (Scopus)
3 引用 (Scopus)

Propagation direction of geodesic acoustic modes driven by drift wave turbulence

Sasaki, M., Itoh, K., Kobayashi, T., Kasuya, N., Fujisawa, A. & Itoh, S. I., 10 3 2018, : : Nuclear Fusion. 58, 11, 112005.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

Quantification of Turbulent Driving Forces for the Geodesic Acoustic Mode in the JFT-2M Tokamak

Kobayashi, T., Sasaki, M., Ido, T., Kamiya, K., Miura, Y., Nagashima, Y., Ida, K., Inagaki, S., Fujisawa, A., Itoh, S. I. & Itoh, K., 1 26 2018, : : Physical Review Letters. 120, 4, 045002.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

Spatio-temporal dynamics of turbulence coupling with zonal flows

Sasaki, M., Kobayashi, T., Itoh, K., Kasuya, N., Kosuga, Y., Fujisawa, A., Inagaki, S. & Itoh, S. I., 1 1 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Berndt, J., Coda, S., Lapenta, G., Michaut, C., Weber, S. & Mantsinen, M. (版). European Physical Society (EPS), p. 449-452 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; 巻数 2018-July).

研究成果: 著書/レポートタイプへの貢献会議での発言

1 引用 (Scopus)

Spatio-temporal dynamics of turbulence trapped in geodesic acoustic modes

Sasaki, M., Kobayashi, T., Itoh, K., Kasuya, N., Kosuga, Y., Fujisawa, A. & Itoh, S. I., 1 1 2018, : : Physics of Plasmas. 25, 1, 012316.

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

Symmetry-breaking of turbulence structure and position identification in toroidal plasmas

Itoh, K., Itoh, S. I., Nagashima, Y., Yamada, T., Kosuga, Y. & Fujisawa, A., 1 1 2018, : : Plasma and Fusion Research. 13, 1102113.

研究成果: ジャーナルへの寄稿記事

公開

Three-dimensional structure of the streamer in linear plasmas

Yamada, T., Inagaki, S., Sasaki, M., Nagashima, Y., Kin, F., Arakawa, H., Kobayashi, T., Yamasaki, K., Kasuya, N., Kosuga, Y., Fujisawa, A., Itoh, K. & Itoh, S. I., 1 1 2018, : : journal of the physical society of japan. 87, 3, 034501.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)
2017
6 引用 (Scopus)

Coexistence of driftwaves and d'angelo modes at different position and frequency in linear plasma device

Dupertuis, N., Inagaki, S., Nagashima, Y., Kosuga, Y., Kin, F., Kobayashi, T., Kasuya, N., Sasaki, M., Fujisawa, A., Tran, M. Q., Itoh, S. I. & Itoh, K., 1 1 2017, : : Plasma and Fusion Research. 12, 1201008.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Fast algorithm for tomographic reconstruction for plasma emission

Yamasaki, K., Fujisawa, A., Nagashima, Y. & Inagaki, S., 1 1 2017, : : Plasma and Fusion Research. 12, 1201045.

研究成果: ジャーナルへの寄稿記事

2 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

13 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

11 引用 (Scopus)

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)

Mesoscale electric fluctuations interacting with zonal flows, magnetic fluctuations and turbulence

HL-2A team, 6 5 2017, : : Nuclear Fusion. 57, 7, 076036.

研究成果: ジャーナルへの寄稿記事

Model validation for radial electric field excitation during L-H transition in JFT-2M tokamak

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S., Ida, K. & Hoshino, K., 3 10 2017, : : Nuclear Fusion. 57, 7, 072005.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Multiple-instabilities in magnetized plasmas with density gradient and velocity shears

Sasaki, M., Kasuya, N., Toda, S., Yamada, T., Kosuga, Y., Arakawa, H., Kobayashi, T., Inagaki, S., Fujisawa, A., Nagashima, Y., Itoh, K. & Itoh, S. I., 1 1 2017, : : Plasma and Fusion Research. 12, 1401042.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

Nonlinear coupling of driftwaves and high frequency fluctuation on PANTA

Hasamada, K., Kosuga, Y., Kin, F., Inagaki, S., Nagashima, Y., Kobayashi, T., Sasaki, M., Kasuya, N., Yamasaki, K., Itoh, S. I., Itoh, K. & Fujisawa, A., 1 1 2017, : : Plasma and Fusion Research. 12, 1201034.

研究成果: ジャーナルへの寄稿記事

Permutation entropy and statistical complexity in characterising low-aspect-ratio reversed-field pinch plasma

Onchi, T., Fujisawa, A., Sanpei, A., Himura, H. & Masamune, S., 4 6 2017, : : Physica Scripta. 92, 5, 055601.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Phenomenological classification of turbulence states in linear magnetized plasma PANTA

Kobayashi, T., Inagaki, S., Sasaki, M., Kosuga, Y., Arakawa, H., Kin, F., Yamada, T., Nagashima, Y., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., 1 1 2017, : : Plasma and Fusion Research. 12, 1401019.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

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

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)

Temporal-spatial structures of plasmas flows and turbulence around tearing mode islands in the edge tokamak plasmas

Zhao, K. J., Nagashima, Y., Li, F. M., Shi, Y., Diamond, P. H., Dong, J. Q., Itoh, K., Itoh, S. I., Zhuang, G., Liu, H., Chen, Z. P., Cheng, J., Nie, L., Ding, Y. H., Hu, Q. M., Chen, Z. Y., Rao, B., Cheng, Z. F., Gao, L., Zhang, X. Q. および12人, Yang, Z. J., Wang, N. C., Wang, L., Jin, W., Yan, W., Xu, J. Q., Wu, Y. F., Yan, L. W., Fujisawa, A., Inagaki, S., Kosuga, Y. & Sasaki, M., 9 12 2017, : : Nuclear Fusion. 57, 12, 126006.

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

Topological bifurcation of helical flows in magnetized plasmas with density gradient and parallel flow shear

Sasaki, M., Kasuya, N., Itoh, K., Toda, S., Yamada, T., Kosuga, Y., Nagashima, Y., Kobayashi, T., Arakawa, H., Yamasaki, K., Fujisawa, A., Inagaki, S. & Itoh, S. I., 11 1 2017, : : Physics of Plasmas. 24, 11, 112103.

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)

Turbulent transport reduction induced by transition on radial electric field shear and curvature through amplitude and cross-phase in torus plasma

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S. & Ida, K., 12 1 2017, : : Scientific reports. 7, 1, 14971.

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)
2016

A calibration of setting of mach probes by observing GAM oscillations

Itoh, K., Zhao, K., Dong, J., Itoh, S. I., Fujisawa, A., Inagaki, S., Sasaki, M., Nagashima, Y., Kosuga, Y., Cheng, J. & Kobayashi, T., 1 1 2016, : : Plasma and Fusion Research. 11, 1402002.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

A Concept of Cross-Ferroic Plasma Turbulence

Inagaki, S., Kobayashi, T., Kosuga, Y., Itoh, S. I., Mitsuzono, T., Nagashima, Y., Arakawa, H., Yamada, T., Miwa, Y., Kasuya, N., Sasaki, M., Lesur, M., Fujisawa, A. & Itoh, K., 2 26 2016, : : Scientific reports. 6, 22189.

研究成果: ジャーナルへの寄稿記事

43 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)

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)

Change in edge fluctuations synchronized with heat pulse in the JFT-2M tokamak

Nagashima, Y., Itoh, K., Itoh, S. I., Fujisawa, A. & Hoshino, K., 6 15 2016, : : journal of the physical society of japan. 85, 6, 063501.

研究成果: ジャーナルへの寄稿評論記事

Changes of particle flux during end-plate biasing experiment in PANTA

Kin, F., Yamada, T., Inagaki, S., Nagashima, Y., Arakawa, H., Kobayashi, T., Miwa, Y., Kasuya, N., Sasaki, M., Kosuga, Y., Fujisawa, A., Itoh, K. & Itoh, S. I., 9 15 2016, : : journal of the physical society of japan. 85, 9, 093501.

研究成果: ジャーナルへの寄稿記事

2 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)