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  1. 学術雑誌掲載済論文
  2. 和雑誌

ノズル内の二次元物体によってパッシブ制御された二次元噴流の組織構造

https://kitami-it.repo.nii.ac.jp/records/6810
428def69-c048-4ba6-8562-6c988bc23a58
名前 / ファイル ライセンス アクション
4985.pdf 4985.pdf (4.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-04-17
タイトル
言語 ja
タイトル ノズル内の二次元物体によってパッシブ制御された二次元噴流の組織構造
タイトル
言語 en
タイトル Coherent Structure in a Two-Dimensional Jet Passively Controled by Wake of a Cylinder Installed in Nozzle Contraction
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
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
その他のタイトル
その他のタイトル Coherent Structure in a Two-Dimensional Jet Passively Controled by Wake of a Cylinder Installed in Nozzle Contraction
著者 宮越, 勝美

× 宮越, 勝美

WEKO 44821
KAKEN 142795

ja 宮越, 勝美

Search repository
羽二生, 博之

× 羽二生, 博之

WEKO 44815
KAKEN 70172955

ja 羽二生, 博之

Search repository
著者別名
姓名
姓名 MIYAKOSHI, Katsumi
言語 en
著者別名
姓名
姓名 HANIU, Hiroyuki
言語 en
抄録
内容記述タイプ Abstract
内容記述 It is possible to control the spread of a plane jet passively by the vortices from a two-dimensional cylinder installed in the nozzle contraction. In this study, the wake characteristics of a cylinder and the coherent structure of a jet by this passive control method were examined by flow visualization and quantitative velocity measurements. In wide range of strouhal number based on vortex shedding frequency and jet exit velocity, the spreads of the jet were found to be suppressed. This suppression is caused by the high frequency vortices from the control cylinder which inhibits growth and pairing of the low frequency vortices. On the other hand, in certain cases of the strouhal number being 0.05-0.10, the spread of the jet was remarkably enhanced associated with distinctive peaks of spectrum at higher order of vortex shedding frequency caused by the deformation of the vortices in flow contraction nozzle. In the case of enhanced mode, vortex from the cylinder moves to the opposite side shear layer with the same vorticity sign as the vortex, and it enhances roll up fo the shear layer.
書誌情報 日本機械学会論文集B編

巻 69, 号 678, p. 338-345, 発行日 2003-02
権利
権利情報 社団法人日本機械学会, 宮越勝美,羽二生博之, 日本機械学会論文集B編, 69(678), 2003, 338-345.
フォーマット
内容記述タイプ Other
内容記述 application/pdf
出版者
出版者 日本機械学会
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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