Mitsuo Oguchi

Japan Aerospace Exploration Agency

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Keiji Nitta

Institute for Environmental Sciences

Koji Otsubo

Institute for Environmental Sciences

Mitsuru Ohnishi

Japan Aerospace Exploration Agency

Shoichi Yoshihara

The University of Tokyo

Haruhiko Ohya

Tokyo Metropolitan University

Akira Ashida

Tohoku Medical and Pharmaceutical University Hospital

Satoru Tachihara

Japan Aerospace Exploration Agency

Toshio Takeuchi

Tokyo University of Marine Science and Technology

Masato Sakurai

Akita Prefectural University

Terumi Ueoka

Cooperative Institutions

Japan Aerospace Exploration Agency

Netherlands Aerospace Centre

The University of Tokyo

Osaka University

Tokyo University of Science

Kyoto University

Tohoku University

Kyushu University

Hitachi (Japan)

Nagoya University

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Research Field

System design of microwave small transportable earth station for satellite communication

Electronics and Communications in Japan (1978)

Tsuyoshi Okamoto Shunichiro Egami Mitsuo Oguchi

Communications satellite

Microwave transmission

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Citations (0)

Gas Revitalization by Microalgae

Eco-Engineering (1994)

Akiko Miya Tadashi Adachi Ryuzo Tazawa Satoru Suzuki Ryoji Kanki

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Citations (1)

Measurement of rice crop metabolism using closed-type plant cultivation equipment

Advances in Space Research (1994)

Mitsuo Oguchi Keiji Nitta Ken’ichi Ohtsubo Yasuhiro Tako

Rice plant

Crop cultivation

Cultivation System

10.1016/0273-1177(94)90303-4

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Citations (5)

Subscale Air Revitalization System by CO₂ Reduction for Small Satellite Demonstration

SAE technical papers on CD-ROM/SAE technical paper series (2009)

Masato Sakurai Shoichi Yoshihara Naoko Nakayama Mitsuo Oguchi Mitsuru Ohnishi

10.4271/2009-01-2507

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Citations (5)

CELSS Experiment Model and Design Concept of Gas Recycle System

SAE technical papers on CD-ROM/SAE technical paper series (1985)

Keiji Nitta Mitsuo Oguchi Syuji Kanda

In order to prolong the duration of manned missions around the Earth and to expand the human existing region from the Earth to other planets such as a Lunar Base or a manned Mars flight mission, the controlled ecological life support system (CELSS) becomes an essential factor of the future technology to be developed through utilization of space station. The preliminary system engineering and integration efforts regarding CELSS have been carried out by the Japanese CELSS concept study group for clarifying the feasibility of hardware development for Space station experiments and for getting the time phased mission sets after FY 1992. The results of these studies are briefly summarized and the design and utilization methods of a Gas Recycle System for CELSS experiments are discussed.

10.4271/851393

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Citations (9)

A space test plan of a magnetically suspended flywheel

Chikara Murakami Atsushi Nakajima Mitsuo Oguchi S. Toda S. Kibe

Flywheel

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Development of Water Recycling System for CELSS.

Seibutsu kankyō chōsetsu/Seibutsu kankyou chousetsu (1994)

Takahiro Saito Koji Otsubo Toshiharu Tanemura Mitsuo Oguchi Yasuhiro Tako

宇宙での運用状況を想定し, その第1段階として, CELSS用水再生循環システム構成の検討および装置の開発・運転試験を行い, 以下の知見を得た.1) CELSS用水再生循環装置を試作し, その運転操作状況などからみて, 設計どおりの運転制御が行われたが, 耐久性の面では装置上改善すべき必要性が認められた.2) 加熱蒸発および運転実験より, 本人工尿では, 60%以上の水の回収は困難であることが明らかになった.3) 用水処理性能低下を招く析出物は, 主としてリン酸とカルシウム, マグネシウムによる化合物であることが判明した.4) RO膜の本供試水での除去率は, 公称除去率と比べ, 20～80%低いことが認められた.とくにアンモニアは除去率が低く, その後のTPVでも処理が難しいので対策が必要と考えられた.

10.2525/ecb1963.32.17

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An on-orbit experimental plan of a magnetic bearing flywheel

spte (1986)

Chikara Murakami Atsushi Nakajima Tsutomu Fujiwara Mitsuo Oguchi Isao Yamaguchi

Flywheel

Magnetic bearing

Orbit (dynamics)

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Air Revitalization in Orbit Demonstration for a Future Long-Duration Manned Mission

42nd International Conference on Environmental Systems (2012)

Masato Sakurai Asuka Shima Yoshitsugu Sone Mitsuo Oguchi Mitsuru Ohnishi

Various space agencies are currently considering the moon and asteroids as way stations for astronauts bound for Mars. Under JAXA’s long-term vision, JAXA2025, the agency will by 2015 finalize its development plans for the next period of manned space activity. To establish supporting technologies, JAXA is researching systems that will be indispensable for manned space activities beyond low earth orbit, including water and air recycling. Three types of assemblies are necessary for recycling air: a carbon dioxide separator to remove exhaled carbon dioxide from a spacecraft’s atmosphere, a carbon dioxide reduction assembly to produce water from the separated carbon dioxide and added hydrogen, and water electrolysis equipment for oxygen production. This paper describes a carbon dioxide removal assembly and a water electrolysis assembly designed for operation in microgravity.

Orbit (dynamics)

10.2514/6.2012-3428

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Citations (2)

Artificial Biosphere -CELSS-

The Journal of Space Technology and Science (1987)

Keljj Nitta Koji Otsubo Mitsuo Oguchi

10.11230/jsts.3.1_17

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