{"created":"2023-06-20T14:39:48.233511+00:00","id":6604,"links":{},"metadata":{"_buckets":{"deposit":"b21a521a-21d5-43fd-95a9-5bef9693dac3"},"_deposit":{"created_by":1,"id":"6604","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"6604"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00006604","sets":["1887:1891","9:789:1085:1366"]},"author_link":["33821","33817","33818","33816","33819","33820"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Numerical simulation on aeroacoustic noise from high-speed trains"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-03-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"16","bibliographicPageStart":"11","bibliographicVolumeNumber":"JAXA-SP-03-002","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2003論文集"},{"bibliographic_title":"JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2003","bibliographic_titleLang":"en"}]}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"A hybrid method that combines the calculation of unsteady flow by large eddy simulation (LES) and the evaluation of acoustical performance by a compact Green's function is proposed to provide detailed information on the vortices in the flow that contribute to the generation of aeroacoustic sound. This paper clarifies the noise reduction mechanism of pantograph horns with periodic holes numerically and proves that the intermittent flow through holes suppresses the strength of dipole sound sources at the shear layer and collapses the large two-dimensional structure of sound sources in the spanwise direction.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0047427003","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-03-002","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":"鉄道総合技術研究所"},{"subitem_text_value":"東京大学"},{"subitem_text_value":"鉄道総合技術研究所"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Railway Technical Research Institute"},{"subitem_text_language":"en","subitem_text_value":"University of Tokyo"},{"subitem_text_language":"en","subitem_text_value":"Railway Technical Research Institute"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"高石, 武久"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"加藤, 千幸"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"池田, 充"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takaishi, Takehisa","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kato, Chisachi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Ikeda, Mitsuru","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":"47427003.pdf","filesize":[{"value":"1.2 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"47427003.pdf","url":"https://jaxa.repo.nii.ac.jp/record/6604/files/47427003.pdf"},"version_id":"ad96878b-edd9-4040-bde9-e529400bc2ad"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"空力騒音","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":"数値解析","subitem_subject_scheme":"Other"},{"subitem_subject":"巨大渦シミュレーション","subitem_subject_scheme":"Other"},{"subitem_subject":"パンタグラフ","subitem_subject_scheme":"Other"},{"subitem_subject":"高速鉄道","subitem_subject_scheme":"Other"},{"subitem_subject":"Green関数","subitem_subject_scheme":"Other"},{"subitem_subject":"aerodynamic noise","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":"numerical analysis","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"large eddy simulation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"pantagraph","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"high-speed train","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Green's function","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":"高速鉄道から発生する空力音に関する数値解析","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"高速鉄道から発生する空力音に関する数値解析"}]},"item_type_id":"5","owner":"1","path":["1366","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"6604","relation_version_is_last":true,"title":["高速鉄道から発生する空力音に関する数値解析"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T07:52:36.137760+00:00"}