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平板乱流境界層対数速度分布領域における変動速度確率密度関数の特性 (第3報, 対数法則領域における整構造の役割)
http://hdl.handle.net/2237/9097
http://hdl.handle.net/2237/9097db677514-0b2f-4642-9a6c-b42ee004bd80
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-12-06 | |||||
タイトル | ||||||
タイトル | 平板乱流境界層対数速度分布領域における変動速度確率密度関数の特性 (第3報, 対数法則領域における整構造の役割) | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | Invariant Assumption of PDF Profile and Universal Velocity Law in Turbulent Boundary Layer (3rd Report, Contribution from Coherent Structures to Log-law Profile) | |||||
言語 | en | |||||
著者 |
辻, 義之
× 辻, 義之× TSUJI, Yoshiyuki× 宮地, 圭× MIYACHI, Kei× 鈴木, 孝裕× SUZUKI, Takahiro× 中村, 育雄× NAKAMURA, Ikuo |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 日本機械学会 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである。 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulent Boundary Layer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Log-law Region | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Coherent Structure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Probability Density Function | |||||
抄録 | ||||||
内容記述 | In a zero-pressure gradient turbulent boundary layer, the multi-point measurement by 24 ch I-probes is performed. The relation between coherent structures and logarithmic velocity profile is studied by way of proper orthogonal decomposition technique and the stochastic estimation. It is found that the existence of coherent structures are necessary condition for the universal velocity profile, however it is not enough. Small-scale motions are also necessary to realize the log-law profile. The probability density profile in the overlap region is studied, and as a result, the invariant assumption of PDF in relation to the coherent structure is obtained. It was also evaluated how the velocity fluctuation in the log-region is affected by the coherent structures. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 日本機械学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110004999515/ | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0387-5016 | |||||
書誌情報 |
ja : 日本機械学會論文集 B編 巻 70, 号 695, p. 1679-1686, 発行日 2004-07 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/9097 | |||||
識別子タイプ | HDL |