{"created":"2023-06-20T15:18:51.727079+00:00","id":49234,"links":{},"metadata":{"_buckets":{"deposit":"94ef09f1-f875-459d-814a-cc3817b8d9a5"},"_deposit":{"created_by":1,"id":"49234","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"49234"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00049234","sets":["1543:1827:2263","1887:1891"]},"author_link":["554908","554914","554910","554919","554913","554905","554925","554921","554902","554904","554899","554906","554915","554900","554918","554916","554912","554922","554923","554924","554917","554926","554909","554901","554907","554911","554920","554903"],"item_4_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Ejecta Evaluation of Debris Impact for Realization of Geostationary Earth Orbit Photovoltaic Satellite"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-28","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"501","bibliographicPageStart":"485","bibliographic_titles":[{}]}]},"item_4_description_14":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"第10回スペースデブリワークショップ (2022年11月28-30日. 主催: 宇宙航空研究開発機構研究開発部門(JAXA), 宇宙航空研究開発機構調布航空宇宙センター(JAXA)(CAC)), 調布市, 東京","subitem_description_type":"Other"}]},"item_4_description_15":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）（英）","attribute_value_mlt":[{"subitem_description":"The 10th Space Debris Workshop (November 28-30, 2022. Organizer: Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA), Chofu Aerospace Center, Japan Aerospace Exploration Agency (JAXA)(CAC)), Chofu, Tokyo, Japan","subitem_description_type":"Other"}]},"item_4_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"微小宇宙ごみやメテオロイドが人工衛星の表面に衝突すると，イジェクタと呼ばれる二次デブリが発生する。高高度軌道では，衝突確率が低いため現時点では大きな問題とみなされていない。一方で，近年静止軌道でも太陽発電衛星等の大型構造物が検討されており，大型衛星が増え続けると衝突確率が無視できなくなる可能性がある。このため，イジェクタ発生を抑制／防止に向けた対策の１つとしてバンパ構造が提案されている。そこで著者らは，静止軌道上での大型構造物の実用化に先立ち，静止軌道での高速衝突現象の基礎的知見の蓄積を図るとともに，バンパ構造実現に向けた衝突特性の把握を計画している。具体的には，静止軌道太陽光発電衛星で使用が予想される構造材料に１ｍｍのアルミ球を衝突させた際に発生するイジェクタ量の計測実験を計画している。本講演ではこの実験計画ならびに実験結果の速報値を紹介する予定である。","subitem_description_type":"Abstract"}]},"item_4_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"When small space debris or meteoroids impact the surface of a spacecraft at hypervelocity, secondary debris called “ejecta” are generated. Currently, ejecta are not considered a major issue due to the low collision rate in high-altitude orbits. However, recently, large-scaled structures such as space solar power satellites (SSPS) in geostationary orbit (GEO), have been studied, and if the number of large satellites continues to increase, the collision rate of small debris cannot be ignored. For this reason, a bumper structure has been proposed as one of the measures for preventing ejecta. Before large-scaled structures on geostationary orbit are developed, we have an experimental plan to examine the hypervelocity collision characteristics for future design of “Bumper Structures” using space materials which might be used in the future SSPS on GEO. In this talk, quick reports of some preliminary experimental results will be addressed in advance to protection design of “Bumper Structures” against small debris impacts.","subitem_description_type":"Other"}]},"item_4_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: カラー図版あり","subitem_description_type":"Other"}]},"item_4_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains color illustrations","subitem_description_type":"Other"}]},"item_4_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA2230027043","subitem_description_type":"Other"}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.20637/00049216","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構(JAXA)"}]},"item_4_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_4_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門(JAXA)"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門(JAXA)"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門(JAXA)"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門(JAXA)"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門(JAXA)"},{"subitem_text_value":"株式会社IHI"},{"subitem_text_value":"株式会社IHI"},{"subitem_text_value":"宇宙航空研究開発機構安全・信頼性推進部(JAXA)"}]},"item_4_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Kyushu Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"IHI Corp."},{"subitem_text_language":"en","subitem_text_value":"IHI Corp."},{"subitem_text_language":"en","subitem_text_value":"Safety and Mission Assurance Department, Japan Aerospace Exploration Agency (JAXA)"}]},"item_4_version_type_30":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"大保, 颯野"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"赤星, 保浩"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"内田, 岳志"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"北黒, 裕麻"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"藤井, 理紀"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高良, 隆男"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河本, 聡美"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"上土井, 大助"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"木本, 雄吾"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"長岡, 信明"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"原田, 隆佑"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"泉山, 卓"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"福重, 進也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"北澤, 幸人"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"DAIBO, Soya","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"AKAHOSHI, Yasuhiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"UCHIDA, Takeshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KITAGURO, Yuma","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"FUJII, Masanori","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KOURA, Takao","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KAWAMOTO, Satomi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"JOUDOI, Daisuke","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KIMOTO, Yugo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"NAGAOKA, Nobuaki","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"HARADA, Ryusuke","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"IZUMIYAMA, Taku","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"FUKUSHIGE, Shinya","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KITAZAWA, 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