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Solar power sail membrane prototype for OKEANOS mission |
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| Authors: | Masanori Matsushita Toshihiro Chujo Jun Matsumoto Osamu Mori Rikio Yokota Hiroyuki Toyota Yasutaka Satou Nobukatsu Okuizumi Hideki Kato Tetsuya Nakamura Yuichi Shibata Tatsuro Nakao Kazuyuki Mori Sanae Fujii Yuki Takao Yuki Kubo Yuya Miyamoto Yuichiro Nada Yudai Kimishima |
| Institution: | 1. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan;2. Department of Mechanical Engineering, School of Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan;3. Aerospace Research and Development Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan;4. Research and Development Laboratory, ZACROS, 1-10-1 Sachiura, Kanazawa-ku, Yokohama, Kanagawa 236-0003, Japan;5. Department of Aeronautics and Astronautics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan;6. Department of Applied Mechanics, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555 Japan;7. Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, 3-1-1, Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan;8. Department of Mechanical Engineering, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-0206, Japan |
| Abstract: | This paper reports on the manufacturing and evaluation of a solar power sail membrane prototype for the OKEANOS project. The in-house prototype was built by the Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency. Mechanical and electrical evaluation tests were conducted. The membrane, thin-film solar cells, reflectivity control devices were good condition after the manufacturing and handling. The improvements in the manufacturing process and design were found. The manufacturing process and design were fundamentally established. After the prototype, improvement plans for the manufacturing process and design were tried. We have a prospect of manufacturing the flight model sail and continue to the development. |
| Keywords: | Solar power sail Membrane structure Thin-film solar cell Manufacturing Evaluation |
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