{"created":"2023-06-20T15:10:40.225175+00:00","id":40247,"links":{},"metadata":{"_buckets":{"deposit":"e11005be-fb92-4845-bd2e-cae0f7381301"},"_deposit":{"created_by":1,"id":"40247","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"40247"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00040247","sets":["1887:1893","1896:1898:1913:1917"]},"author_link":["447028","447032","447029","447031","447024","447026","447022","447025","447023","447027","447030","447033"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Starting loads in supersonic engine wind tunnels"}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1998-10","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"21","bibliographicPageStart":"1","bibliographicVolumeNumber":"1360","bibliographic_titles":[{"bibliographic_title":"航空宇宙技術研究所報告"},{"bibliographic_title":"Technical Report of National Aerospace Laboratory","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"燃焼を模擬するために風洞圧力を高くする必要があることから、超音速エンジン風洞において特に問題となる、供試体や推力測定装置(FMS)に加わる風洞始動荷重について調べた。模型周りの圧力と模型に加わる荷重を測定し、始動に至るまでの流れをシャドーグラフで観察した結果と総合することにより過大荷重の発生原因を明らかにした。多機能の高速フーリエ解析装置(FFT)を用いて圧力と荷重データを解析し、変動成分のスペクトルや振幅確率および最大ピーク荷重の期待値を求めた。FMSのスケール効果を評価して小型風洞試験結果から大型風洞の始動荷重を予測する方法、およびFMSロック試験時の荷重とロック機構の力伝達率からアンロック試験時の荷重を予測する方法により大型風洞であるラムジェットエンジン試験設備(RJTF)の風洞始動荷重を予測した。予測結果からFMSアンロック状態での始動安全性を確認し、RJTFの始動荷重測定試験を実行した。","subitem_description_type":"Abstract"}]},"item_3_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"Starting loads, which are especially severe in free jet type engine wind tunnels, were investigated in order to carry out accurate and safe force measurement. Unsteady pressures and forces were measured and analyzed by Fast Fourier Transform (FFT). Expected maximum peak load of the Ramjet engine Test Facility (RJTF) was predicted from power spectral density and probability distribution using the results of a pilot wind tunnel test. Visual observation was also conducted and combined with the results of unsteady pressure measurement to clarify the cause of the large starting loads. The cause was considered to be the flow structure in which nozzle flow is recompressed by a separation oblique shock wave and impinges on the model installed on a Force Measuring System (FMS).","subitem_description_type":"Other"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0001577000","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: NAL TR-1360","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"航空宇宙技術研究所"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"National Aerospace Laboratory (NAL)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0389-4010","subitem_source_identifier_type":"ISSN"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"},{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"},{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"},{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"},{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"},{"subitem_text_value":"航空宇宙技術研究所 ラムジェット推進研究部"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"},{"subitem_text_language":"en","subitem_text_value":"National Aerospace Laboratory Ramjet Propulsion Research Division"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"櫻中, 登"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"志村, 隆"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"三谷, 徹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"泉川, 宗男"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"富岡, 定毅"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"平岩, 徹夫"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sakuranaka, Noboru","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Simura, Takashi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Mitani, Toru","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Izumikawa, Muneo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tomioka, Sadatake","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Hiraiwa, Tetsuo","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-27"}],"displaytype":"detail","filename":"naltr0001360.pdf","filesize":[{"value":"417.5 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"naltr0001360.pdf","url":"https://jaxa.repo.nii.ac.jp/record/40247/files/naltr0001360.pdf"},"version_id":"a926320e-b813-40ad-a296-b3ead2d9e27d"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"超音速エンジン風洞","subitem_subject_scheme":"Other"},{"subitem_subject":"風洞始動荷重","subitem_subject_scheme":"Other"},{"subitem_subject":"ラムジェットエンジン試験設備","subitem_subject_scheme":"Other"},{"subitem_subject":"高速フーリエ解析装置","subitem_subject_scheme":"Other"},{"subitem_subject":"推力測定装置","subitem_subject_scheme":"Other"},{"subitem_subject":"最大ピーク荷重","subitem_subject_scheme":"Other"},{"subitem_subject":"風洞始動過程","subitem_subject_scheme":"Other"},{"subitem_subject":"ピトー圧","subitem_subject_scheme":"Other"},{"subitem_subject":"超音速ノズル流","subitem_subject_scheme":"Other"},{"subitem_subject":"supersonic engine wind tunnel","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"wind tunnel starting load","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"ramjet engine test facility","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"fast Fourier transform","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"force measuring system","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"maximum peak load","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"wind tunnel starting process","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"pitot pressure","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"supersonic nozzle flow","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":"technical report","resourceuri":"http://purl.org/coar/resource_type/c_18gh"}]},"item_title":"超音速エンジン風洞における風洞始動荷重","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"超音速エンジン風洞における風洞始動荷重"}]},"item_type_id":"3","owner":"1","path":["1893","1917"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"40247","relation_version_is_last":true,"title":["超音速エンジン風洞における風洞始動荷重"],"weko_creator_id":"1","weko_shared_id":1},"updated":"2023-06-20T19:16:18.932154+00:00"}