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高速鉄道から発生する空力音に関する数値解析
https://jaxa.repo.nii.ac.jp/records/6604
https://jaxa.repo.nii.ac.jp/records/6604c36559b8-2fa2-4e3d-a3e8-864ef3e03f98
名前 / ファイル | ライセンス | アクション |
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47427003.pdf (1.2 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 高速鉄道から発生する空力音に関する数値解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 空力騒音 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 巨大渦シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | パンタグラフ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 高速鉄道 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Green関数 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerodynamic noise | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | large eddy simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pantagraph | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | high-speed train | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Green's function | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Numerical simulation on aeroacoustic noise from high-speed trains | |||||
著者 |
高石, 武久
× 高石, 武久× 加藤, 千幸× 池田, 充× Takaishi, Takehisa× Kato, Chisachi× Ikeda, Mitsuru |
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著者所属 | ||||||
鉄道総合技術研究所 | ||||||
著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
鉄道総合技術研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
Railway Technical Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Railway Technical Research Institute | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
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 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2003 巻 JAXA-SP-03-002, p. 11-16, 発行日 2004-03-25 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 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. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0047427003 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-03-002 |