{"created":"2023-06-20T14:53:33.433381+00:00","id":21749,"links":{},"metadata":{"_buckets":{"deposit":"8ca511b1-c660-4b9d-b763-e4016f8d7dc6"},"_deposit":{"created_by":1,"id":"21749","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"21749"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00021749","sets":["1887:1888"]},"author_link":["204169","204171","204177","204168","204173","204170","204176","204175","204172","204166","204167","204174"],"item_7_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Conceptual Study on Aircraft System Compatible with Hydrogen Society"}]},"item_7_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-04-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"95(11)","bibliographicPageStart":"89(5)","bibliographicVolumeNumber":"65","bibliographic_titles":[{"bibliographic_title":"日本航空宇宙学会誌"},{"bibliographic_title":"Aeronautical and Space Sciences Japan","bibliographic_titleLang":"en"}]}]},"item_7_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本研究では, 水素社会の普及に対応する将来の航空機システムについて, 主に推進系の比較検討を行った.水素は単位質量あたりの発熱量が高く, 搭載燃料を軽量にできる利点があるが, 密度が低くタンク容積が大きくなることが欠点となっている.また, 燃料電池自動車等に用いられている固体高分子形燃料電池(PEFC)等による電力変換が可能なこと, 極低温の液体水素は冷熱源として利用しやすく, 電動機器を超電導としやすいことも特徴としてあげられる.これらを踏まえ, 化石燃料を使用し燃焼により動力を得る現在の推進システムをベースに, 推進の電動化を含む将来の推進系候補を17ケース選定し, 推進系を構成する要素の効率, 重量見積もりから航続距離の簡易的な比較を行った.この結果, 飛行速度の低い小型機において, 液体水素を利用するケースが将来技術レベルにおいて競争力を得やすい結果となった.","subitem_description_type":"Abstract"}]},"item_7_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: 図版あり","subitem_description_type":"Other"}]},"item_7_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains illustrations","subitem_description_type":"Other"}]},"item_7_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: DS1740003001","subitem_description_type":"Other"}]},"item_7_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Japan Society for Aeronautical and Space Sciences"}]},"item_7_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"日本航空宇宙学会"}]},"item_7_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0021-4663","subitem_source_identifier_type":"ISSN"}]},"item_7_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00189072","subitem_source_identifier_type":"NCID"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小島, 孝之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"西沢, 啓"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"田口, 秀之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡井, 敬一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小林, 弘明"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"原田, 賢哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kojima, Takayuki","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Nishizawa, Akira","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Taguchi, Hideyuki","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Okai, Keiichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kobayashi, Hiroaki","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Harada, Kenya","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Hydrogen Aircraft","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Electric Propulsion","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Fuel Cell","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Superconducting Motor","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal 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