JAXA

Electric Propulsion Laboratory

japanese

Achievement

Journal Paper

  • Yusuke Yamashita, Ryudo Tsukizaki, Koda Daiki, Yoshitaka Tani, Ryo Shirakawa, Kana Hattori, Kazutaka Nishiyama, Plasma hysteresis caused by high-voltage breakdown in gridded microwave discharge ion thruster μ10,, Acta Astronautica, (2021), doi: 10.1016/j.actaastro.2021.05.001
  • Masatoshi CHONO, Naoji YAMAMOTO, Ryudo TSUKIZAKI, Takato MORISHITA, Kenichi KUBOTA, Shinatra CHO, Kiyoshi KINEFUCHI, Toru TAKAHASHI Performance of a Miniature Hall Thruster and an In-house PPU, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, (2021), doi: 10.2322/tjsass.64.189
  • Ryudo Tsukizaki, Yusuke Yamashita, Kiyoshi Kinefuchi, Kazutaka Nishiyama Neutral atom density measurements of xenon plasma inside a μ10 microwave ion thruster using two-photon laser-induced fluorescence spectroscopy, Vacuum, (2021), doi: 10.1016/j.vacuum.2021.110269
  • Giulio Coral, Kiyoshi Kinefuchi, Daisuke Nakata, Ryudo Tsukizaki, Kazutaka Nishiyama, Hitoshi Kuninaka, Design and testing of additively manufactured high-efficiency resistojet on hydrogen propellant, Acta Astronautica, (2021), doi: 10.1016/j.actaastro.2020.12.047
  • K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, Y. Takagi, T. Nakamura, T. Hiroi, M. Matsuoka, L. Riu, Y. Nakauchi, K. Tsumura, T. Arai, H. Senshu, N. Hirata, M. A. Barucci, R. Brunetto, C. Pilorget, F. Poulet, J.-P. Bibring, D. L. Domingue, F. Vilas, D. Takir, E. Palomba, A. Galiano, D. Perna, T. Osawa, M. Komatsu, A. Nakato, T. Arai, N. Takato, T. Matsunaga, M. Arakawa, T. Saiki, K. Wada, T. Kadono, H. Imamura, H. Yano, K. Shirai, M. Hayakawa, C. Okamoto, H. Sawada, K. Ogawa, Y. Iijima, S. Sugita, R. Honda, T. Morota, S. Kameda, E. Tatsumi, Y. Cho, K. Yoshioka, Y. Yokota, N. Sakatani, M. Yamada, T. Kouyama, H. Suzuki, C. Honda, N. Namiki, T. Mizuno, K. Matsumoto, H. Noda, Y. Ishihara, R. Yamada, K. Yamamoto, F. Yoshida, S. Abe, A. Higuchi, Y. Yamamoto, T. Okada, Y. Shimaki, R. Noguchi, A. Miura, N. Hirata, S. Tachibana, H. Yabuta, M. Ishiguro, H. Ikeda, H. Takeuchi, T. Shimada, O. Mori, S. Hosoda, R. Tsukizaki, S. Soldini, M. Ozaki, F. Terui, N. Ogawa, Y. Mimasu, G. Ono, K. Yoshikawa, C. Hirose, A. Fujii, T. Takahashi, S. Kikuchi, Y. Takei, T. Yamaguchi, S. Nakazawa, S. Tanaka, M. Yoshikawa, S. Watanabe & Y. Tsuda, Thermally altered subsurface material of asteroid (162173) Ryugu, Nature Astronomy, (2021), doi: 10.1038/s41550-020-01271-2
  • Naoji Yamamoto, Masatoshi CHONO, Ryudo TSUKIZAKI, Takato MORISHITA, Kenichi KUBOTA, Shinatra CHO, Kiyoshi KINEFUCHI, Toru TAKAHASHI, Performance of a miniature Hall thruster and an in-house PPU, Transaction of JSASS, AEROSPACE TECHNOLOGY JAPAN
  • Ryudo TSUKIZAKI, Yusuke YAMASHITA, Kiyoshi KINEFUCHI, Kazutaka NISHIYAMA, Application of Two-photon Laser-induced Fluorescence Spectroscopy to Microwave Cathode, Transaction of JSASS, AEROSPACE TECHNOLOGY JAPAN, Vol. 63 Issue 6 (2020), pp. 281-283 doi:10.2322/tjsass.63.281
  • Yuto Takei, Takanao Saiki, Yukio Yamamoto, Yuya Mimasu, Hiroshi Takeuchi, Hitoshi Ikeda, Naoko Ogawa, Fuyuto Terui, Go Ono, Kent Yoshikawa, Tadateru Takahashi, Hirotaka Sawada, Chikako Hirose, Shota Kikuchi, Atsushi Fujii, Takahiro Iwata, Satoru Nakazawa, Masahiko Hayakawa, Ryudo Tsukizaki, Satoshi Tanaka, Masanori Matsushita, Osamu Mori, Daiki Koda, Takanobu Shimada, Masanobu Ozaki, Masanao Abe, Satoshi Hosoda, Tatsuaki Okada, Hajime Yano, Takaaki Kato, Seiji Yasuda, Kota Matsushima, Tetsuya Masuda, Makoto Yoshikawa & Yuichi Tsuda, Hayabusa2’s station-keeping operation in the proximity of the asteroid Ryugu, Astrodynamics Journal, (2020)doi:10.1007/s42064-020-0083-8
  • Kiyoshi Kinefuchi, Shinatora Cho, Tsutomu Fukatsu, Ryudo Tsukizaki, Ikkoh Funaki, Yuya Hirano, Yosuke Tashiro and Taizo Shiiki, Keeper Ignition and Discharge Characteristics of Hollow Cathode Center-Mounted on Hall Thruster, Journal of Propulsion and Power, (2020)doi:10.2514/1.B37814
  • E. Tatsumi, C. Sugimoto, L. Riu, S. Sugita, T. Nakamura, T. Hiroi, T. Morota, M. Popescu, T. Michikami, K. Kitazato, M. Matsuoka, S. Kameda, R. Honda, M. Yamada, N. Sakatani, T. Kouyama, Y. Yokota, C. Honda, H. Suzuki, Y. Cho, K. Ogawa, M. Hayakawa, H. Sawada, K. Yoshioka, C. Pilorget, M. Ishida, D. Domingue, N. Hirata, S. Sasaki, J. de León, M. A. Barucci, P. Michel, M. Suemitsu, T. Saiki, S. Tanaka, F. Terui, S. Nakazawa, S. Kikuchi, T. Yamaguchi, N. Ogawa, G. Ono, Y. Mimasu, K. Yoshikawa, T. Takahashi, Y. Takei, A. Fujii, Y. Yamamoto, T. Okada, C. Hirose, S. Hosoda, O. Mori, T. Shimada, S. Soldini, R. Tsukizaki, T. Mizuno, T. Iwata, H. Yano, M. Ozaki, M. Abe, M. Ohtake, N. Namiki, S. Tachibana, M. Arakawa, H. Ikeda, M. Ishiguro, K. Wada, H. Yabuta, H. Takeuchi, Y. Shimaki, K. Shirai, N. Hirata, Y. Iijima, Y. Tsuda, S. Watanabe and M. Yoshikawa, Collisional history of Ryugu’s parent body from bright surface boulders, Nature Astronomy, (2020)doi:10.1038/s41550-020-1179-z
  • Morishita, T., Tsukizaki, R., Yamamoto, N., Kinefuchi, K., Nishiyama, K., Application of a microwave cathode to a 200-W Hall thruster with comparison to a hollow cathode, Acta Astronautica, Vol. 176, (2020), pp. 413-423, doi:10.1016/j.actaastro.2020.06.049
  • Tani, Y., Yamashita, Y., Tsukizaki, R., Nishiyama, K., Kuninaka, H., Effect of discharge chamber geometry on ion loss in microwave discharge ion thruster, Acta Astronautica, Vol. 176, (2020), pp. 77-88, doi: 10.1016/j.actaastro.2020.05.062
  • R. Shirakawa, Y. Yamashita, D. Koda, R. Tsukizaki, Y. Shimizu, M. Tagawa and K. Nishiyama, Investigation and experimental simulation of performance deterioration of microwave discharge ion thruster μ10 during space operation, Acta Astronautica, Vol. 174, (2020), pp. 367-376, doi: 10.1016/j.actaastro.2019.10.005
  • T. MOROTA, S. SUGITA, Y. CHO, M. KANAMARU, E. TATSUMI, N. SAKATANI, R. HONDA, N. HIRATA, H. KIKUCHI, M. YAMADA, Y. YOKOTA, S. KAMEDA, M. MATSUOKA, H. SAWADA, C. HONDA, T. KOUYAMA, K. OGAWA, H. SUZUKI, K. YOSHIOKA, M. HAYAKAWA, N. HIRATA, M. HIRABAYASHI, H. MIYAMOTO, T. MICHIKAMI, T. HIROI, R. HEMMI, O. S. BARNOUIN, C. M. ERNST, K. KITAZATO, T. NAKAMURA, L. RIU, H. SENSHU, H. KOBAYASHI, S. SASAKI, G. KOMATSU, N. TANABE, Y. FUJII, T. IRIE, M. SUEMITSU, N. TAKAKI, C. SUGIMOTO, K. YUMOTO, M. ISHIDA, H. KATO, K. MOROI, D. DOMINGUE, P. MICHEL, C. PILORGET, T. IWATA, M. ABE, M. OHTAKE, Y. NAKAUCHI, K. TSUMURA, H. YABUTA, Y. ISHIHARA, R. NOGUCHI, K. MATSUMOTO, A. MIURA, N. NAMIKI, S. TACHIBANA, M. ARAKAWA, H. IKEDA, K. WADA, T. MIZUNO, C. HIROSE, S. HOSODA, O. MORI, T. SHIMADA, S. SOLDINI, R. TSUKIZAKI, H. YANO, M. OZAKI, H. TAKEUCHI, Y. YAMAMOTO, T. OKADA, Y. SHIMAKI, K. SHIRAI, Y. IIJIMA, H. NODA, S. KIKUCHI, T. YAMAGUCHI, N. OGAWA, G. ONO, Y. MIMASU, K. YOSHIKAWA, T. TAKAHASHI, Y. TAKEI, A. FUJII, S. NAKAZAWA, F. TERUI, S. TANAKA, M. YOSHIKAWA, T. SAIKI, S. WATANABE, Y. TSUDA, Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution, Science, doi: 10.1126/science.aaz6306
  • Yamashita, Y., Tani, Y., Tsukizaki, R., Koda, D., and Nishiyama, K., Characteristics of Plasma and Gas in Microwave Discharge Ion Thruster μ10 Using Kinetic Particle Simulation, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES,(2020), doi: 10.2322/tastj.18.57
  • Kinefuchi, K., Cho, S., and Tsukizaki, R., Characterization of a Capillary Flow Controller for Electric Propulsion, Journal of Propulsion and Power,(2020), doi: 10.2514/1.B37726
  • Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Makoto Taguchi, Takehiko Arai, Hiroki Senshu, Naoya Sakatani, Yuri Shimaki, Hirohide Demura, Yoshiko Ogawa, Kentaro Suko, Tomohiko Sekiguchi, Toru Kouyama, Jun Takita, Tsuneo Matsunaga, Takeshi Imamura, Takehiko Wada, Sunao Hasegawa, Jörn Helbert, Thomas G. Müller, Axel Hagermann, Jens Biele, Matthias Grott, Maximilian Hamm, Marco Delbo, Naru Hirata, Naoyuki Hirata, Yukio Yamamoto, Seiji Sugita, Noriyuki Namiki, Kohei Kitazato, Masahiko Arakawa, Shogo Tachibana, Hitoshi Ikeda, Masateru Ishiguro, Koji Wada, Chikatoshi Honda, Rie Honda, Yoshiaki Ishihara, Koji Matsumoto, Moe Matsuoka, Tatsuhiro Michikami, Akira Miura, Tomokatsu Morota, Hirotomo Noda, Rina Noguchi, Kazunori Ogawa, Kei Shirai, Eri Tatsumi, Hikaru Yabuta, Yasuhiro Yokota, Manabu Yamada, Masanao Abe, Masahiko Hayakawa, Takahiro Iwata, Masanobu Ozaki, Hajime Yano, Satoshi Hosoda, Osamu Mori, Hirotaka Sawada, Takanobu Shimada, Hiroshi Takeuchi, Ryudo Tsukizaki, Atsushi Fujii, Chikako Hirose, Shota Kikuchi, Yuya Mimasu, Naoko Ogawa, Go Ono, Tadateru Takahashi, Yuto Takei, Tomohiro Yamaguchi, Kent Yoshikawa, Fuyuto Terui, Takanao Saiki, Satoru Nakazawa, Makoto Yoshikawa, Seiichiro Watanabe and Yuichi Tsuda, Highly porous nature of a primitive asteroid revealed by thermal imaging, Nature, doi: 10.1038/s41586-020-2102-6
  • K. Nishiyama, S.Hosoda, R.Tsukizaki, and H. Kuninaka, In-flight operation of the Hayabusa2 ion engine system on its way to rendezvous with asteroid 162173 Ryugu, Acta Astronautica, Vol. 166, (2020), pp. 69-77, doi: 10.1016/j.actaastro.2019.10.005
  • Morishita, T., Koda, D., Hosoda, S., Mogami, T., Minemura, K., Nomura, N., Kuninaka, H., Study on charge neutralization effect by electron cyclotron resonance plasma source in high vacuum, Journal of Physics: Conference Series, Vol. 1322, (2019), 012018
  • S. Ide, D.Koda, R.Tsukizaki, K. Nishiyama, and H. Kuninaka, Pulse-width variation of power supply for evaluating quasi-steady state of magneto-plasma-dynamic thruster operation, Review of Scientific Instruments, Vol. 90, (2019), pp. 104706, doi: 10.1063/1.5088084
  • T. Morishita, R.Tsukizaki, S. Morita, D.Koda, K. Nishiyama, and H. Kuninaka Effect of nozzle magnetic field on microwave discharge cathode performance, Acta Astronautica, Vol. 165, (2019), pp. 25-31, doi: 10.1016/j.actaastro.2019.08.025
  • Y. Yamashita, R.Tsukizaki, K. Kinefuchi, D.Koda, and K. Nishiyama, Neutral ground state particle density measurement of xenon plasma in microwave cathode by two-photon laser-induced fluorescence spectroscopy, Vacuum, Vol. 168, (2019), pp. 108846, doi: 10.1016/j.vacuum.2019.108846
  • Y. Yamashita, Y.Tani, R. Tsukizaki, D.Koda, and K. Nishiyama, Numerical investigation of plasma properties for the microwave discharge ion thruster μ10 using PIC-MCC simulation, Physics of Plasmas, Vol. 26, (2019), No. 7, pp. 073510, doi: 10.1063/1.5097661
  • Kinefuchi, K., Nunome, Y., Cho, S., Tsukizaki, R., and Chung, T.L, Two-photon absorption laser induced fluorescence with various laser intensities for density measurement of ground state neutral xenon, Acta Astronautica, Vol. 35, (2019), pp. 071530, doi: 10.1016/j.actaastro.2019.03.018
  • Koda, D., Kuninaka, H., and Tsukizaki, R., Characteristics of Ion–Ion Thruster Generating Continuously Positive and Negative Ion Beams, Journal of Propulsion and Power, Vol. 35, (2019), No. 3, doi: 10.2514/1.B37166
  • S. Watanabe, M. Hirabayashi, N. Hirata, N. Hirata, R. Noguchi, Y. Shimaki, H. Ikeda, E. Tatsumi, M. Yoshikawa, S. Kikuchi, H. Yabuta, T. Nakamura, S. Tachibana, Y. Ishihara, T. Morota, K. Kitazato, N. Sakatani, K. Matsumoto, K. Wada, H. Senshu, C. Honda, T. Michikami, H. Takeuchi, T. Kouyama, R. Honda, S. Kameda, T. Fuse, H. Miyamoto, G. Komatsu, S. Sugita, T.Okada, N.Namiki, M. Arakawa, M. Ishiguro, M. Abe, R. Gaskell, E. Palmer, O. S. Barnouin, P. Michel, A. S. French, J. W. McMahon, D. J. Scheeres, P. A. Abell, Y. Yamamoto, S. Tanaka, K. Shirai, M. Matsuoka, M. Yamada, Y. Yokota, H. Suzuki, K. Yoshioka, Y. Cho, S. Tanaka, N. Nishikawa, T. Sugiyama, H. Kikuchi, R. Hemmi, T. Yamaguchi, N. Ogawa, G. Ono, Y. Mimasu, K. Yoshikawa, T. Takahashi, Y. Takei, A. Fujii, C. Hirose, T. Iwata, M. Hayakawa, S. Hosoda, O. Mori, H. Sawada, T. Shimada, S. Soldini, H. Yano, R. Tsukizaki, M. Ozaki, Y. Iijima, K. Ogawa, M. Fujimoto, T.-M. Ho, A. Moussi, R. Jaumann, J.-P. Bibring, C. Krause, F. Terui, T. Saiki, S. Nakazawa, and Y. Tsuda, Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu—a spinning-topshaped rubble pile, Science, Vol. 35, (2019), pp. 1-7, doi: 10.2514/1.B37166
  • S. Sugita, R. Honda, T. Morota, S. Kameda, H. Sawada, E. Tatsumi, M. Yamada, C. Honda, Y. Yokota, T. Kouyama, N. Sakatani, K. Ogawa, H. Suzuki, T. Okada, N. Namiki, S. Tanaka, Y. Iijima, K. Yoshioka, M. Hayakawa, Y. Cho, M. Matsuoka, N. Hirata, N. Hirata, H. Miyamoto, D. Domingue, M. Hirabayashi, T. Nakamura, T. Hiroi, T. Michikami, P. Michel, R.-L. Ballouz, O. S. Barnouin, C. M. Ernst, S. E. Schröder, H. Kikuchi, R. Hemmi, G. Komatsu, T. Fukuhara, M. Taguchi, T. Arai, H. Senshu, H. Demura, Y. Ogawa, Y. Shimaki, T. Sekiguchi, T. G. Müller, A. Hagermann, T. Mizuno, H. Noda, K. Matsumoto, R. Yamada, Y. Ishihara, H. Ikeda, H. Araki, K. amamoto, S. Abe, F. Yoshida, A. Higuchi, S. Sasaki, S. Oshigami, S. Tsuruta, K. Asari, S. Tazawa, M. Shizugami, J. Kimura, T. Otsubo, H. Yabuta, S. Hasegawa, M. Ishiguro, S. Tachibana, E. Palmer, R. Gaskell, L. Le Corre, R. Jaumann, K. Otto, N. Schmitz, P. A. Abell, M. A. Barucci, M. E. Zolensky, F. Vilas, F. Thuillet, C. Sugimoto, N. Takaki, Y. Suzuki, H. Kamiyoshihara, M. Okada, K. Nagata, M. Fujimoto, M. Yoshikawa, Y. Yamamoto, K. Shirai, R.Noguchi, N.Ogawa, F. Terui, S.Kikuchi, T. Yamaguchi, Y.Oki, Y. Takao, H. Takeuchi, G.Ono, Y. Mimasu, K. Yoshikawa, T. Takahashi, Y. Takei, A. Fujii, C. Hirose, S. Nakazawa, S. Hosoda, O. Mori, T. Shimada, S. Soldini, T. Iwata, M. Abe, H. Yano, R. Tsukizaki, M. Ozaki, K. Nishiyama, T. Saiki, S. Watanabe, and Y. Tsuda, The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes, Science, aaw0422, (2019), doi: 10.1126/science.aaw0422
  • Yoshitaka Tani, Ryudo Tsukizaki, Daiki Koda, Kazutaka Nishiyama, and Hitoshi Kuninaka, Performance improvement of the μ10 microwave discharge ion thruster by expansion of the plasma production volume, Acta Astronautica, Vol. 157, (2019), pp. 425-434
  • Kazuma Emoto, Yoshinori Takao, and Hitoshi Kuninaka, A Preliminary Study on Radiation Shielding Using Martian Magnetic Anomalies, Biological Sciences in Space, aav8032, (2019), pp. 1-5, doi:10.1126/science.aav8032
  • Yusuke, YAMASHITA, Ryudo TSUKIZAKI, Yuta YAMAMOTO, Daiki KODA, Kazutaka, NISHIYAMA, and Hitoshi KUNINAKA, Azimuthal ion drift of a gridded ion thruster, Plasma Sources and Science Technology, Vol.27,(2018), 10, p.5006-5014
  • Tetsushi Yoshikawa, Ryudo Tsukizaki, and Hitoshi Kuninaka, Calibration methods for the simultaneous measurement of the impulse, mass loss, and average thrust of a pulsed plasma thruster, Review of Scientific Instruments 89/, 095103, (2018)
  • Ryudo Tsukizaki, Yuta Yamamoto, Daiki Koda, Yamashita Yusuke, Kazutaka Nishiyama and Hitoshi Kuninaka, Azimuthal velocity measurement in the ion beam of a gridded ion thruster using laser-induced fluorescence spectroscopy, 2018 Plasma Sources Sci. Technol. 27 015013  
  • Giulio Coral, Ryudo Tsukizaki, Kazutaka Nishiyama and Hitoshi Kuninaka, Microwave power absorption to high energy electrons in the ECR ion thruster, 2018 Plasma Sources Sci. Technol. 27 095015  
  • Ryudo Tsukizaki, Yoshitaka Tani, Satoshi Hosoda, Kazutaka Nishiyama, and Hitoshi Kuninaka, Effect of Throttling Operation on Lifetime of Microwave Discharge Cathode, Frontier of Applied Plasma Technology, Vol. 10, NO. 1, (2017), pp. 1-6, PRINT ISSN:1883-5589.
  • Daiki Koda, Hitoshi KUNINAKA and Ryudo TSUKIZAKI, Demonstration of Negative Fullerene Ion Thruster Combined with Positive Xenon Ion Thruster, Transactions of the Japan Society for Aeronautical and Space Sections, Aerospace Technology Japan, Vol.14,(2016), No.ists30, p.Pb_203-Pb.208
  • Yamamoto, Naoji, Takase, Kohei, Hirano, Yuya, Komurasaki, Kimiya, Kakami, Akira, Tsukizaki, Ryudo, Hosoda, Satoshi, Kuninaka, Hitoshi, and Yokota, Shigeru, Thrust Performance in a 5 kW Class Anode Layer Type Hall Thruster, Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, Vol.14(ists30), The Japan Society for Aeronautical and Space Sciences (JSASS) | 日本航空宇宙学会(JSASS), Vol. 8, (2016), pp.183-187, doi:10.2322/tastj.14.Pb_183.
  • Kasutaka NISHIYAMA, Satoshi HOSODA, Kazuma UENO, Ryudo TSUKIZAKI, Hitoshi KUNINAKA, Development and Testing of the Hayabusa2 Ion Engine System, Transactions of the Japan Society for Aeronautical and Space Sections, Aerospace Technology Japan, Vol.14,(2016), No.ists30, p.Pb_131-Pb.140
  • Daiki KODA and Hitoshi KUNINAKA, Ion Acceleration from Negative Ion Thruster Using Fullerene Propellant, Frontier of Applied PlasmaTechnology, Vol. 8, pp.63-68, 2015.
  • Seokhyun Kang, Wongyo Choo, Junku Choi, Yunhwang Jeong, Younho Kim, Seongmin Kang, Hitoshi Kuninaka and Hanju Cha, Cathode Power Development of Hall Thruster for Small Satellite using Microwave cathode, 韓國航空宇宙學會誌, 第42卷 第11號, 2014.11, 974-980.
  • Kazutaka NISHIYAMA and Hitoshi KUNINAKA, Development and Flight Experiment of a Space QCM in Small Demonstration Satellite-4, Transaction of JSASS, AEROSPACE TECHNOLOGY JAPAN, Vol. 12 (2014) No. ists29 p. Tr_19-Tr_25.
  • Ryudo Tsukizaki, Toshiyuki Ise, Hiroyuki Koizumi, Hiroyoshi Togo, Kazutaka Nishiyama, and Hitoshi Kuninaka., Thrust Enhancement of a Microwave Ion Thruster, Journal of Propulsion and Power, Vol. 30, No. 5 (2014), pp. 1383-1389. doi: 10.2514/1.B35118
  • Wataru Ohmichi and Hitoshi Kuninaka. Performance Degradation of a Spacecraft Electron Cyclotron Resonance Neutralizer and Its Mitigation, Journal of Propulsion and Power, Vol. 30, No. 5 (2014), pp. 1368-1372. doi: 10.2514/1.B35062
  • Sugita, Y., Koizumi, H., Kuninaka, H., Yamagiwa, Y., and Matsui, M., Number Density Measurement of Neutral Particles in a Miniature Microwave Discharge Ion Thruster, ISTS Special Issue: Selected papers from the 29th International Symposium on Space Technology and Science, 2013.
  • Ise, T., Tsukizaki, R., Koizumi,H., and Kuninaka, H., Electric field measurement in microwave discharge ion thruster with electro-optic probe, Review of Scientific Instruments, Vol. 83, 124702, 2012.
  • Nishiyama, K., Microwave Frequency Tuning of an ECR Ion Thruster for Impedance Matching, Transaction of JSASS, Aerospace Technology Japan, Vol. 10, No. ists28, pp. Pb_103-Pb_107, 2012.
  • Nishiyama, K., and Kuninaka, K., Discussion on Performance History and Operations of Hayabusa Ion Engines, Transaction of JSASS, Aerospace Technology Japan, Vol. 10, pp.Tb_1-Tb_8, 2012.
  • Tsukizaki, R., Koizumi, H., Nishiyama, K.,and Kuninaka, H., Measurement of axial neutral density profiles ina microwave discharge ion thruster by laser absorption spectroscopy withoptical fiber probes, Review of Scientific Instruments, Vol. 82, 123103, 2011.
  • Tsukizaki, R., Koizumi, H., Hosoda, S.,Nishiyama K., and Kuninaka H., Improvement of the thrust force of the ECR ion thruster μ10, Transaction of JSASS, Aerospace Technology Japan, Vol. 8, Pb_67-Pb_72 2010.
  • Koizumi, H. and Kuninaka, H., Development of a Miniature microwave discharge ion thruster driven by 1 W microwave power, Journal of Propulsion and Power, Vol. 26, No. 3, pp. 601-604, 2010.
  • Nishiyama, K., Hosoda, S., Usui,M., Tsukizaki R., Hayashi, H.,Shimizu, Y., and Kuninaka, H., Feasibility study on performanceenhancement options for the ECR ion thruster μ10, Transaction of JSASS, Aerospace Technology Japan, Vol. 7, pp. Pb_113-Pb_118, 2009.
  • Koizumi, H. and Kuninaka, H., Antenna Design Method and Performance Improvement of a Micro Ion Engine Using Microwave Discharge, Transaction of JSASS, Aerospace Technology Japan, Vol. 7, pp. Pb_89-Pb_9, 2009.
  • Hayashi, H., Nakayama, Y., Usui, M., Koizumi, H., Hosoda, S., Shimizu, Y., Nishiyama, K., and Kuninaka, H., Experimental Demonstration of Microwave Discharge Ion Engine with 10,000 sec Isp, Transaction of JSASS, Aerospace Technology Japan, Vol. 7, pp. Tb_1-Tb_4, 2009.
  • Nishiyama, K., Toyoda, Y., Hosoda, S., Shimizu, Y., and Kuninaka, H., An Ion Machined Accelerator Grid for a 20-cm ECR Ion Thruster, Proceedings of the 14th International Congress on Plasma Physics (ICPP2008), Journal of Plasma and Fusion Research SERIES, Vol. 8, pp. 1590-1594, 2009.
  • Koizumi, H., and Kuninaka, H., Development and Characterization of a Low Power and Miniature Microwave Discharge Plasma Source, Advances in Applied Plasma Science, Vol. 7, pp. 51–54, 2009.
  • Saito, T., Koizumi, H., and Kuninaka, H., Pulsed Plasma Acceleration Using Powdered Propellant, J. Plasma Fusion Res. SERIES, Vol. 8, pp. 1611-1615, 2009.
  • Nishiyama, K., and Kuninaka, H., Microwave Power Absorption Coefficient of an ECR Xenon Ion Thruster, Surface & Coatings Technology, Vol. 202, pp. 5262-5265, 2008.
  • Yokota, S., Fukushima, Y., Tsukizaki, R., Komurasaki, K., Arakawa, Y., Kobayashi, A., Development of Hall thruster life time measurement method using multilayercoating chip, Frontier of Applied PlasmaTechnology, Vol. 1, pp.83-84, 2008.
  • Nishiyama, K., Shimizu, Y., Funaki, I., Kuninaka H., and Toki K., Measurements of the Electromagnetic Emissions from the Hayabusa Ion Engine, Journal of Propulsion and Power, Vol. 23, No. 2, pp. 513-521, 2007.
  • Kuninaka, H., Nishiyama, K., Funaki, I., Yamada, T., Shimizu, Y., and Kawaguchi, J., Powered Flight of Electron Cyclotron Resonance Ion Engines on Hayabusa Explorer, Journal of Propulsion and Power, Vol. 23, No. 2, pp. 544-551, 2007.
  • Kuninaka, H., Nishiyama, K., Funaki, I., Yamada, T., Shimizu Y., and Kawaguchi, J., Deep Space Flight of Microwave Discharge Ion Engines onboard Hayabusa, Journal of Space Technology and Science, Vol. 22, No. 1, pp. 1-10, 2007.
  • Kuninaka, H., Nishiyama, K., Funaki, I., Shimizu, Y., Yamada, T., and Kawaguchi, J., Assessment of Plasma Interactions and Flight Status of HAYABUSA Asteroid Explorer Propelled by Microwave Discharge Ion Engines, IEEE Transaction of plasma Science, Vol. 34, No. 5, pp. 2125-2132, 2006.
  • Kuninaka, H., and Molina-Morales, P., Spacecraft Charging due to Lack of Neutralization on Ion Thrusters, Acta Astronautica, Vol. 55, No. 1, pp. 27-38, 2004.
  • Kuninaka, H., and Satori, S., Development and Demonstration of a Cathode-less Electron Cyclotron Resonance Ion Thruster, Journal of Propulsion and Power, Vol. 14, No. 6, pp. 1022-1026, 1998.
  • Kuninaka, H., Space Experiment on Plasma Interaction caused by High Voltage Photovoltaic Power Generation, Journal of Spacecraft and Rockets, Vol. 32, No. 5, pp. 894-898, 1995.
  • Kuninaka, H., Natori, M., Kawai Y., and Ikegami, S., Orbit Demonstration of Two-Dimensional Deployable Array including High Voltage Photovoltaic Power Generation, Acta Astronautica, Vol. 26, pp. 653-663, 1992.
  • Kuninaka, H., Nozaki, Y., Satori, S., and Kuriki, K., Ground Study of Ionospheric Plasma Interactions with a High Voltage Solar Array, Journal of Spacecraft and Rockets, Vol. 27, No. 4, pp. 417-424, 1990.
  • Kuninaka, H., Qualitative Experiment with Arc Discharges on Negatively Biased Solar Cells, Journal of Spacecraft and Rockets, Vol. 27, No. 6, pp. 665-668, 1990.
  • Kuninaka, H., Satori, S., Nozaki, Y., and Kuriki, K., High Voltage Solar Array Interacting with Ionospheric Plasma, Space Power, Vol. 8, Nos. 1/2, pp. 51-68, 1989.
  • Kuninaka, H., and Kuriki, K., Numerical Analysis on Interaction of a High Voltage Solar Array with Ionospheric Plasma, Journal of Spacecraft and Rockets, Vol. 24, No. 6, pp. 512-517, 1987.
  • Kuninaka, H., Ishii, M., and Kuriki, K., Experimental Study on a Low-Power Direct Current Arcjet, Journal of Propulsion and Power, Vol. 2, No. 5, pp.408-413, 1986.
  • 張科寅,月崎竜童,後藤大亮,松永芳樹,艸分宏昌,渡邊裕樹,大川恭志,電気推進機による軌道間輸送の質量とコストに関する検討, 宇宙太陽発電論文誌,Vol.5 (2020), pp. 101-106
  • 森下貴都, 神田大樹, 細田聡史, 最上智史, 峯村和樹, 野村信雄, 國中均, マイクロ波放電式プラズマ源による高真空下除電, 静電気学会誌, Vol. 44, No. 3, (2020), pp. 128-134
  • 神田大樹, 森下貴都, 細田聡史, 最上智史, 峯村和樹, 野村信雄, マイクロ波プラズマ源を用いた高真空下での除電技術, 静電気学会誌, Vol. 43, No. 2, (2019), pp. 63-66 (総説)
  • 月崎竜童, 山本雄大, 細田聡史, 西山和孝, 國中均, マイクロ波放電式イオンスラスタにおける放電室分割による推進性能への影響, 日本航空宇宙学会論文, Vol. 65, No. 1, pp. 17–20, 2017
  • 國中均, 宇宙探査から発するイノベーション : 「はやぶさ」「はやぶさ2」小惑星探査機の事例, 航空と文化 = Air forum, Vol.112, pp.10-15, 2016
  • 國中均, マイクロ波放電式電子サイクロトロン共鳴型イオン源の物理, 応用物理, Vol.85, No.7, pp.553-559, 2016
  • 月崎竜童, 山本雄大, 神田大樹, 細田聡史, 西山和孝, 國中均, レーザ誘起蛍光法によるマイクロ波放電式イオンスラスタμ10の旋回流計測, プラズマ応用科学, Vol.23 No.2 , pp.69-74, 2015
  • 谷義隆, 月崎竜童, 西山和孝, 細田聡史, 國中均, マイクロ波放電式中和器における2価イオンの流量依存性, プラズマ応用科学, Vol. 22, No. 2, pp.75-80, 2014.
  • 伊勢俊之, 月崎竜童, 都甲浩芳, 小泉宏之, 國中均, 電気光学素子ファイバプローブを用いたマイクロ波放電式イオンスラスタμ10の内部現象解明, 日本航空宇宙学会論文集, Vol. 62, No. 6, pp. 212-218, 2014.
  • 杉田裕人, 小泉宏之, 國中均, 山極芳樹, 松井信, マイクロ波放電式小型イオンエンジンの高分解能中性粒子数密度分布測定, プラズマ応用科学, Vol.21, No.1, 2013.
  • 月崎竜童 , 小泉宏之, 西山和孝, 國中均, マイクロ波放電式イオンエンジンμ10の推力増強と準安定中性粒子の空間密度分布との関係, 日本航空宇宙学会論文集, Vol. 60, No. 3, pp. 141-147, 2012.
  • 小泉宏之, 國中均, マイクロ波放電式小型イオンスラスタのシステム性能, 日本航空宇宙学会論文集, Vol. 60, pp.128-134, 2012.
  • 大道渉, 國中均, フォルトツリー解析を用いたマイクロ波放電式中和器の性能低下メカニズムの検証, プラズマ応用科学, Vol. 19, No. 1, pp.36-41, 2011.
  • 月崎竜童, 小泉宏之, 西山和孝, 國中均, マイクロ波放電式イオンエンジンμ10への光ファイバを用いいたレーザー吸収分光法の適用, プラズマ応用科学, Vol. 18 No. 2, pp. 139-144, 2010.
  • 小泉宏之, 國中均, 超低電力小型マイクロ波放電式イオンエンジンのアンテナ設計方法, 日本航空宇宙学会論文集, Vol. 57, pp. 234-243, 2009.
  • 小泉宏之, 國中均, マイクロ波放電式小型イオンエンジンにおけるマイクロ波吸収特性に関する研究, プラズマ応用科学, Vol. 17, pp. 33-38, 2009.
  • 小泉宏之, 國中均, マイクロ波放電式プラズマ源を用いたイオンビーム引出および中和電子放出の相互切替運転の原理実証, プラズマ応用科学, Vol.16, pp. 15-20, 2008.
  • 西山和孝, 大気吸込式イオンエンジンの検討, 宇宙技術, Vol. 4, pp.21-27, 2005.
  • 國中均, 西山和孝, 清水幸夫, 都木恭一郎, 川口淳一郎, 上杉邦憲, 小惑星探査機「はやぶさ」搭載マイクロ波放電式イオンエンジンの初期運用, 日本航空宇宙学会論文集, Vol. 52, No. 602, pp. 129-134, 2004.
  • 西山和孝,清水幸夫,船木一幸,國中均,都木恭一郎,堀内康男,飯田忠彦, MUSES-CイオンエンジンシステムのEMI計測, 日本航空宇宙学会論文集, Vol. 49, No. 571, p. 278, 2001.
  • 西山和孝,清水幸夫,船木一幸,國中均,都木恭一郎: マイクロ波放電型中和器とホロ−カソ−ドからの電磁雑音, 日本航空宇宙学会論文集, Vol.49, No. 566, p. 84, 2001.

awards

name date award
Kazuma EMOTO Mar 2019 Yokohama National University Award for Outstanding Academic Performance, Graduate School of Engineering, Yokohama National University, FY2018
Kazuma EMOTO Mar 2019 YNU CREATES Award
Tetsushi YOSHIKAWA Apr 2014 宇宙輸送シンポジウム優秀学生賞
Masahiro KINOSHITA Sep 2013 the best paper of session ET1, IEPC-2013
Yasuyoshi HISAMOTO Jun 2013 General Chairperson Award ISTS
Ryudo TSUKIZAKI Mar 2013 日本学術振興会育志賞
Ryudo TSUKIZAKI Sep 2012 電気学会優秀論文発表賞A賞
Ryudo TSUKIZAKI Apr 2012 日本航空宇宙学会年会講演会優秀講演賞
Ryudo TSUKIZAKI Mar 2011 The Best Poster Award International Workshop on Plasma Application and Hybrid Functionally Materials
Ryudo TSUKIZAKI Mar 2010 東京大学大学院工学系研究科長賞
Ryudo TSUKIZAKI Jun 2009 Modi Memorial Jaya-Jayant Award ISTS

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