Výsledky vyhledávání - "Kibe, Koichi"

Effects of discharge on backside of solar paddle on satellite power system

Autor: Segami, Go, Kusawake, Hiroaki, Takahashi, Masato, Kibe, Koichi

Publikováno v: 宇宙航空研究開発機構特別資料: 平成18年度宇宙航空研究開発機構総合技術研究本部宇宙科学研究本部研究成果報告書 = JAXA Special Publication: Report on Research Achievements for FY2006 Institute of Space and Astronautical Science, Institute of Aerospace Technology, Japan Aerospace Exploration Agency. :247-252

The surface potential depends on the plasma environment, the sunshine condition, the constituent material and so on. Therefore non-earthed surface materials on the satellite have the different potential from the satellite ground. As the differential

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::3e56789ec4a000c7ab1b9e340840b09b
http://id.nii.ac.jp/1696/00006032/

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Study on optimum structure of AlInGaP top cell for triple-junction space solar cell

Autor: Morioka, Chiharu, Imaizumi, Mitsuru, Kibe, Koichi

The purpose of this study is to improve the performance of triple-junction space solar cells. The AlInGaP single-junction (SJ) cell was studied because greater radiation resistance has shown compared to a conventional InGaP top cell. AlInGaP SJ cells

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::0d58b8cf53b97ce8e9768a9f420ea52e
http://id.nii.ac.jp/1696/00006035/

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Material properties measurements related to engineering design optimization guidelines and spacecraft charging

Autor: Nitta, Kumi, Kawakita, Shiro, Takahashi, Masato, Kusawake, Hiromasa, Kibe, Koichi, Miyake, Hiroaki, Ishizawa, Junichiro, Kuninaka, Hitoshi

The key parameters in modeling spacecraft charging are the secondary electron emission (SEE) coefficient and photoelectron emission (PE) coefficient of metals and insulating materials. This work is focused on the analysis and measurement of SEE and P

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::e5cf8b8c77a8230294f3a2505c4fe673
http://id.nii.ac.jp/1696/00006036/

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Long-term cycle-life testing of large-capacity lithium-ion cells for space applications

Autor: Wang, Xianming, Naito, Hitoshi, Yamada, Chisa, Segami, Go, Kibe, Koichi

The specific advantages of lithium-ion technology in energy density and working voltage offer the possibility of huge reductions in battery mass, and hence contribute to lower launch costs and enable missions that have critical weight and/or volume m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::b35c3ae28a835bd2883187bedc71d7e6
http://id.nii.ac.jp/1696/00006033/

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Polymer electrolyte fuel cells operation under low pressure condition

Autor: Naito, Hitoshi, Segami, Go, Kibe, Koichi, Sone, Yoshitsugu, Uno, Masatoshi

We clarified the criteria for 100 W-class operation of the fuel cell system. We tested the fuel cell performance by the operation under low pressure condition (approximately 3 kPa). We operated the fuel cell without external humidifier and thermal co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::69a587e61e80ce02ff9b41bfdb834367
http://id.nii.ac.jp/1696/00006038/

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太陽電池パネルのデブリ衝突による電気的影響

Autor: Kawakita, Shiro, Nitta, Kumi, Segami, Go, Kusawake, Hiroaki, Takahashi, Masato, Matsumoto, Haruhisa, Kibe, Koichi, Toyota, Hiroyuki, Hasegawa, Sunao

Publikováno v: スペース・プラズマ研究会: 平成17年度 = Proceedings of Space Plasma Conference FY2005. :120-123

平成17年度スペース・プラズマ研究会 (2006年3月16日-17日. 宇宙航空研究開発機構宇宙科学研究本部(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県
Space Plasma Conference FY2005 (March 16-17, 2006

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::1c3b3b63ef45b856a3e03a506d8410fb
http://id.nii.ac.jp/1696/00012669/

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Low current density operations of polymer electrolyte fuel cells without external humidification

Autor: Naito, Hitoshi, Segami, Go, Kibe, Koichi, Sone, Yoshitsugu, Uno, Masatoshi

Publikováno v: 宇宙航空研究開発機構特別資料: 平成16年度総合技術研究本部宇宙領域宇宙科学研究本部合同研究成果報告書:人工衛星系基盤技術 = JAXA Special Publication: FY2004 Report of Joint Research Achievements of the Space Division of Institute of Aerospace Technology and Institute of Space and Astronautical Science: Basic Technologies of Satellite Systems. :81-84

The Fuel Cell (FC) for space applications has special system requirements, such as operational conditions and designs due to its isolated low gravitational and closed environment, which is much different from that for terrestrial use. Polymer Electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::1b0738c2d4862d770464f0d43426ecb9
http://id.nii.ac.jp/1696/00006266/

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Study on radiation hardness of III-V compound solar cells: Small lightweight electrical power system

Autor: Imaizumi, Mitsuru, Sumita, Taishi, Kibe, Koichi, Morioka, Chiharu

Triple-junction (3J) space solar cells were irradiated with 10 MeV protons at 175 K. The electrical performance of the 3J solar cells was measured in situ under AM0-light illuminated condition at low temperature. The electrical performance of the sol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::fd5de444c3dd1f2608ec51484e6a13f4
http://id.nii.ac.jp/1696/00006268/

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Discharging test for a satellite solar array panel

Autor: Kawakita, Shiro, Nitta, Kumi, Kibe, Koichi, Iwata, Takanori, Miura, Takeshi

A large solar array paddle with the power generation of 7 kW was developed for the Advanced Land Observing Satellite (ALOS). With the deployed dimension of 22 x 3 m in a polar orbit, this 9-panel rigid paddle has insulator Silver-Teflon thermal sheet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::22386062ba9bc153a291b791678796fa
http://id.nii.ac.jp/1696/00006264/

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