月崎竜童 (Ryudo Tsukizaki) - 論文

Simple model of multi-scale and multi-site emissions for porous ionic liquid electrospray thrusters

Koki Takagi, Yusuke Yamashita, Ryudo Tsukizaki, Kazutaka Nishiyama, Yoshinori Takao

Journal of Applied Physics 135(24) 2024年6月27日査読有り

Effect of nozzle contamination on microwave discharge cathode performance

Takato Morishita, Ryudo Tsukizaki, Kazutaka Nishiyama

AIP Advances 14(6) 2024年6月1日査読有り

Performance Enhancement of Microwave Discharge Cathode by External Gas Injection System

Soichiro Tsuji, Takato Morishita, Ayumu Nono, Ryudo Tsukizaki, Kazutaka Nishiyama

Acta Astronautica 2024年5月査読有り

Measurements of electron velocity distribution function in microwave cathode plume by incoherent laser Thomson scattering

Takuya Koiso, Yusuke Yamashita, Ryudo Tsukizaki, Kazutaka Nishiyama

Vacuum 220 112760-112760 2024年2月査読有り

Effect of spacecraft surface conductivity on voltage of microwave neutralizer in gridded ion thrusters

Ayumu Nono, Takato Morishita, Satoshi Hosoda, Ryudo Tsukizaki, Kazutaka Nishiyama

Acta Astronautica 212 130-138 2023年11月査読有り

Performance characterization of the μ10 electron-cyclotron-resonance ion thruster using alternative propellants: Krypton vs. xenon

S. Barquero, K. Tabata, R. Tsukizaki, M. Merino, J. Navarro-Cavallé, K. Nishiyama

Acta Astronautica 2023年7月査読有り

Thruster Performance Related to Plasma Mode-Transition and Plasma Hysteresis in Microwave Discharge Ion Thruster

Yusuke YAMASHITA, Takuya KOISO, Ryudo TSUKIZAKI, Kazutaka NISHIYAMA

Journal of Evolving Space Activities 1 21 2023年6月査読有り

Experimental Prediction of Performance Degradation During Space Operation in Microwave Discharge Ion Thruster µ10

Yusuke YAMASHITA, Kana HATTORI, Ryudo TSUKIZAKI, Satoshi HOSODA, Kazutaka NISHIYAMA

Journal of Evolving Space Activities 1 2023年4月査読有り

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites.

Tetsuya Yokoyama, Kazuhide Nagashima, Izumi Nakai, Edward D Young, Yoshinari Abe, Jérôme Aléon, Conel M O'D Alexander, Sachiko Amari, Yuri Amelin, Ken-Ichi Bajo …

Science (New York, N.Y.) 379(6634) eabn7850 2023年2月24日査読有り

Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution.

Ryuji Okazaki, Bernard Marty, Henner Busemann, Ko Hashizume, Jamie D Gilmour, Alex Meshik, Toru Yada, Fumio Kitajima, Michael W Broadley, David Byrne …

Science (New York, N.Y.) 379(6634) eabo0431 2023年2月24日査読有り

Macromolecular organic matter in samples of the asteroid (162173) Ryugu.

Hikaru Yabuta, George D Cody, Cécile Engrand, Yoko Kebukawa, Bradley De Gregorio, Lydie Bonal, Laurent Remusat, Rhonda Stroud, Eric Quirico, Larry Nittler …

Science (New York, N.Y.) 379(6634) eabn9057 2023年2月24日査読有り

Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu.

Hiroshi Naraoka, Yoshinori Takano, Jason P Dworkin, Yasuhiro Oba, Kenji Hamase, Aogu Furusho, Nanako O Ogawa, Minako Hashiguchi, Kazuhiko Fukushima, Dan Aoki …

Science (New York, N.Y.) 379(6634) eabn9033 2023年2月24日査読有り

A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu.

Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka …

Nature astronomy 7(2) 170-181 2023年査読有り

Importance of stepwise ionization from the metastable state in electron cyclotron resonance ion thrusters

Yusuke Yamashita, Ryudo Tsukizaki, Kazutaka Nishiyama

Journal of Electric Propulsion 1(1) 2022年12月査読有り招待有り

First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu.

Ryuji Okazaki, Yayoi N Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, Toru Yada, Keita Yamada, Shinsuke Kawagucci, Yohei Matsui, Ko Hashizume …

Science advances 8(46) eabo7239 2022年11月18日査読有り

A pristine record of outer Solar System materials from asteroid Ryugu's returned sample

Motoo Ito, Naotaka Tomioka, Masayuki Uesugi, Akira Yamaguchi, Naoki Shirai, Takuji Ohigashi, Ming-Chang Liu, Richard C. Greenwood, Makoto Kimura, Naoya Imae …

NATURE ASTRONOMY 6(10) 1163-+ 2022年10月査読有り

Effect of ion beam extraction on neutral density distribution inside a gridded microwave discharge ion thruster

Yusuke Yamashita, Ryudo Tsukizaki, Kazutaka Nishiyama

Vacuum 200 110962-110962 2022年6月査読有り

Ion engine system of Hayabusa2

Satoshi Hosoda, Kazutaka Nishiyama, Ryudo Tsukizaki

Hayabusa2 Asteroid Sample Return Mission 401-414 2022年4月査読有り

Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth

S. Tachibana, H. Sawada, R. Okazaki, Y. Takano, K. Sakamoto, Y. N. Miura, C. Okamoto, H. Yano, S. Yamanouchi, P. Michel …

Science 375(6584) 1011-1016 2022年3月4日査読有り

Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu

Toru Yada, Masanao Abe, Tatsuaki Okada, Aiko Nakato, Kasumi Yogata, Akiko Miyazaki, Kentaro Hatakeda, Kazuya Kumagai, Masahiro Nishimura, Yuya Hitomi …

Nature Astronomy 6(2) 214-220 2022年2月査読有り

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