{"created":"2023-06-20T14:49:34.207828+00:00","id":17444,"links":{},"metadata":{"_buckets":{"deposit":"a52b5549-efbc-4d61-b6bd-c85d1b3e6075"},"_deposit":{"created_by":1,"id":"17444","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"17444"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00017444","sets":["1543:1693:1711","1887:1891"]},"author_link":["158303","158298","158301","158299","158302","158300"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Reduction of the boat-tail drag of a plug nozzle with secondary flow injection"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-04","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"64","bibliographicPageStart":"61","bibliographic_titles":[{"bibliographic_title":"宇宙輸送シンポジウム　平成13年度"},{"bibliographic_title":"Proceedings of Space Transportation Symposium FY2001","bibliographic_titleLang":"en"}]}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"3次元圧縮性Navier-Stokes方程式を用いて、軸対称プラグノズル周りの流れ場の数値解析を行い、ポートテールドラッグ低減を目的としてポートテール低圧部にクラスター型の2次流噴射を行いその効果を検討した。はじめに実験に合わせてカウルに穴を開け排気流を2次流として噴射する計算を行った。その結果、実験形状でも2次流として噴射口出口で音速ジェットを与える計算結果とほぼ同様の流れ場、抵抗および推力を評価できることを確記した。つぎに抵抗低減効果を最大にする2次流噴射法の指針を得るために、2次流噴射位置、噴射口数および噴射流量を変えて計算を行った。その結果、2次流噴射位置は剥離衝撃波が立つポートテール部中ほど、また噴射口数および咳射流量はなるべく大きくすることで抵抗低減効果が大きくなることがわかった。","subitem_description_type":"Abstract"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0033392016","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙科学研究所"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"The Institute of Space and Astronautical Science (ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙科学研究所"},{"subitem_text_value":"宇宙科学研究所"},{"subitem_text_value":"宇宙科学研究所"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Astronautical Science"},{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Astronautical Science"},{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Astronautical Science"}]},"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":"根岸, 秀世"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"藤井, 孝藏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐藤, 哲也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Negishi, Hideyo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Fujii, Kozo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sato, Tetsuya","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"プラグノズル","subitem_subject_scheme":"Other"},{"subitem_subject":"ATREXエンジン","subitem_subject_scheme":"Other"},{"subitem_subject":"ボートテール・ドラッグ","subitem_subject_scheme":"Other"},{"subitem_subject":"2次流","subitem_subject_scheme":"Other"},{"subitem_subject":"数値解析","subitem_subject_scheme":"Other"},{"subitem_subject":"衝撃波剥離","subitem_subject_scheme":"Other"},{"subitem_subject":"plug nozzle","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"ATREX engine","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"boat-tail drag","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"secondary flow","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"numerical analysis","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"shock wave separation","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":"conference 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