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一様流中の単独平板翼の後流渦に基づく空力音源の研究
http://hdl.handle.net/10069/6717
http://hdl.handle.net/10069/671759ae1ef8-7a52-4b73-9d32-090b19312467
名前 / ファイル | ライセンス | アクション |
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kikaiB663_2655.pdf (490.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-02-22 | |||||
タイトル | ||||||
タイトル | 一様流中の単独平板翼の後流渦に基づく空力音源の研究 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Vortex | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Aerodynamic Acoustics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Computational Fluid Dynamics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Wake Blade | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
佐々木, 壮一
× 佐々木, 壮一× 林, 秀千人× 児玉, 好雄× 深野, 徹 |
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著者別名 | ||||||
姓名 | Sasaki, Soichi | |||||
著者別名 | ||||||
姓名 | Hayashi, Hidechito | |||||
著者別名 | ||||||
姓名 | Kodama, Yoshio | |||||
著者別名 | ||||||
姓名 | Fukano, Tohru | |||||
その他のタイトル | ||||||
その他のタイトル | Aeroacoustic Source Caused by Wake Vortices from an Isolated Flat Plate Blade in a Uniform Flow | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The unsteady flow characteristics caused by the wake vortices generated from an isolated flat plate blade in a uniform flow were theoretically investigated with the discrete vortex method for elucidating the aeroacoustic source of the discrete frequency noise (DFN). We assumed that the DFN generated from the blade is originated by time fluctuation of the lift force caused by Karman vortex shedding. This calculation shows that the frequency and the intensity of velocity fluctuation in the wake can calculate accurately, and the half width of the wake is an important characteristic length to specify the periodic phenomena. The surface pressure, differentiated with respect to time, along the blade surface is closely related to the source, which gathers to the trailing edge. Then the chord wise correlation length calculated by integrating the distribution of the surface pressure data always conserved a constant value in all blades. The predicted DFN level agrees well with the experimental results. | |||||
書誌情報 |
日本機械学会論文集. B編 巻 67, 号 663, p. 2655-2661, 発行日 2001-11-25 |
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出版者 | ||||||
出版者 | 日本機械学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03875016 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00187441 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 日本機械学會論文集. B編 67(663) p.2655-2661 2001 |