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On the Development of Coherent Structure in a Planet Jet (Part2, Investigation of Spatio-Temporal Velocity Structure by the KL Expansion)
http://hdl.handle.net/2237/9010
http://hdl.handle.net/2237/9010cfb98113-a8f4-4ea6-ad0a-7b2f51d96612
名前 / ファイル | ライセンス | アクション |
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JsMecEngB-49-3-714.pdf (993.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-11-15 | |||||
タイトル | ||||||
タイトル | On the Development of Coherent Structure in a Planet Jet (Part2, Investigation of Spatio-Temporal Velocity Structure by the KL Expansion) | |||||
言語 | en | |||||
著者 |
SAKAI, Yasuhiko
× SAKAI, Yasuhiko× TANAKA, Nobuhiko× KUSHIDA, Takehiro |
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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 | Jet | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulence | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Vortex | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flow Measurements | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Spatial Velocity Correlation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Karhunen Loève Expansion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fourier Transform | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Coherent Structure | |||||
抄録 | ||||||
内容記述 | The simultaneous measurement of the velocities at two points with X-type hot wire probes has been performed in three different downstream regions of a plane jet (the potential core region, the interaction region and the self-preserving region). By applying Karhunen Loève (KL) expansion in space and time, the structure development of the plane jet is investigated from a viewpoint of both space and frequency. From the downstream variation of the eigenfunctions, it is found that in the early stage of the interaction region the profiles of the first u (streamwise component of velocity fluctuation) and v (cross-streamwise component of velocity fluctuation) mode in the low frequency range become self-similar, but in high frequency range these continue to change until the self-preserving region. The characteristics of coherent structure can be extracted efficiently by the two-point spatial velocity correlation reconstructed from the first mode of KL expansion. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | The Japan Society of Mechanical Engineers | |||||
言語 | ||||||
言語 | eng | |||||
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/110004773145/ | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1340-8054 | |||||
書誌情報 |
en : JSME International Journal Series B 巻 49, 号 3, p. 714-721, 発行日 2006-08 |
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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/2237/9010 | |||||
識別子タイプ | HDL |