{"created":"2023-06-20T14:39:42.386330+00:00","id":6467,"links":{},"metadata":{"_buckets":{"deposit":"d8e0d951-109c-4f90-bc1b-e7e42131341a"},"_deposit":{"created_by":1,"id":"6467","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"6467"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00006467","sets":["1887:1891","9:789:1067:1073"]},"author_link":["32872","32874","32873","32871"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Numerical simulation of LE-7A engine turbine flow"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-03-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"165","bibliographicPageStart":"160","bibliographicVolumeNumber":"JAXA-SP-04-012","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構特別資料: 航空宇宙数値シミュレーション技術シンポジウム2004論文集"},{"bibliographic_title":"JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2004","bibliographic_titleLang":"en"}]}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"The fuel turbo pump (FTP) of LE-7A engine had vibration problem of turbine rotor system. The turbine consists of 33 nozzle vanes, 58 rotor blades, 36 stator vanes and an upstream manifold. The manifold has 30 radial slits between a volute and a downstream passage. It was important to clarify the cause of the turbine rotor vibration. Therefore, CFD was applied to investigate internal flow field and to obtain aerodynamic characteristics of the turbine. The turbine cascade part and the upstream manifold part were simulated separately, in this study. In the turbine cascade simulation, the effect of rotor tip leakage flow was investigated. As a result of the numerical calculation, it was assumed that the change of tip clearance in accordance with the eccentricity of turbine rotor reduce the system dump of the rotor system. On the other hand, the manifold simulation shows unsteady flow phenomena downstream of the slits. Analysis and visualization of numerical simulation results revealed the unsteady flow caused by periodical vortex shedding from the wake of the manifold struts.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0048469027","subitem_description_type":"Other"}]},"item_5_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-SP-04-012","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_5_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-113X","subitem_source_identifier_type":"ISSN"}]},"item_5_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11984031","subitem_source_identifier_type":"NCID"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"才木, 一寿"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"野崎, 理"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Saiki, Kazuhisa","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Nozaki, Osamu","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":"2020-01-16"}],"displaytype":"detail","filename":"48469027.pdf","filesize":[{"value":"2.5 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"48469027.pdf","url":"https://jaxa.repo.nii.ac.jp/record/6467/files/48469027.pdf"},"version_id":"cb921b41-d4d6-46ff-9614-2a795c6a5efc"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"液体推薬ロケットエンジン","subitem_subject_scheme":"Other"},{"subitem_subject":"LE-7Aエンジン","subitem_subject_scheme":"Other"},{"subitem_subject":"ターボポンプ","subitem_subject_scheme":"Other"},{"subitem_subject":"液体水素","subitem_subject_scheme":"Other"},{"subitem_subject":"液体流","subitem_subject_scheme":"Other"},{"subitem_subject":"CFD","subitem_subject_scheme":"Other"},{"subitem_subject":"数値シミュレーション","subitem_subject_scheme":"Other"},{"subitem_subject":"タービンロータ振動","subitem_subject_scheme":"Other"},{"subitem_subject":"タービン翼","subitem_subject_scheme":"Other"},{"subitem_subject":"liquid propellant rocket engine","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"LE-7A engine","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"turbopump","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"liquid hydrogen","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"liquid flow","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"CFD","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"numerical simulation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"turbine rotor vibration","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"turbine blade","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 paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"LE-7Aエンジンタービン流れの数値シミュレーション","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"LE-7Aエンジンタービン流れの数値シミュレーション"}]},"item_type_id":"5","owner":"1","path":["1073","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"6467","relation_version_is_last":true,"title":["LE-7Aエンジンタービン流れの数値シミュレーション"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T07:55:13.994573+00:00"}