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小孔を通過する流れに関する研究(第2報, 速度場に関する実験)
http://hdl.handle.net/10191/6303
ef3c4eb6-f31c-4e8d-90ed-0ebf67aa5fe8
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 | 2008-04-23 | |||||
タイトル | ||||||
タイトル | 小孔を通過する流れに関する研究(第2報, 速度場に関する実験) | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | 小孔を通過する流れに関する研究(第2報, 速度場に関する実験) | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flow through Small Orifices | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Low Reynolds Number | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Velocity Field | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Extensional Flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Viscoelastic Fluid | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Relaxation Time | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
その他のタイトル | ||||||
その他のタイトル | A Study of A Flow through Small Apertures(2nd Report, Experiments on The Velocity Field) | |||||
著者 |
福冨, 清
× 福冨, 清× 長谷川, 富市× 中野, 裕二× 鳴海, 敬倫 |
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著者別名 | ||||||
識別子 | ||||||
識別子 | 45144 | |||||
識別子Scheme | WEKO | |||||
姓名 | ||||||
姓名 | Hasegawa, Tomiichi | |||||
著者別名 | ||||||
識別子 | ||||||
識別子 | 45145 | |||||
識別子Scheme | WEKO | |||||
姓名 | ||||||
姓名 | Narumi, Takatsune | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The velocity field of an inlet and outlet flow through small orifices was experimentally examined. The velocity along the center line near the orifices was measured with a laser doppler anemometer, stream lines in the whole flow region were photographed, and the following points were clarified : (1) The center line velocities of liquid paraffin agree with the theoretical value of Stokes flow in the region of Reynolds numbers below 10. (2) With distilled water, a diverging angle of the issuing flow from a larger orifice is smaller than that of the issuing flow from a smaller orifice. Furthermore, a characteristic isolated vortex is generated on the downstream side of the orifice at the Reynolds number of from 10 to 30. (3) With ethanol used as a test liquid, the diverging angle of the issuing flow is small even for the Reynolds number of less than 10, and the flow resembles a jet. (4) The magnitude of the diverging angle of the issuing flow have a decisive effect on the value of the excess pressure drop at the same Reynolds number ; the larger the diverging angles is, the smaller the excess pressure drop is. (5) The dimension of the isolated vortex generated with the outlet flow of water is, when non-dimensionalized with the orifice diameter, correlated with a dimensionless number V(λ/ν)^<1/2>, where V is the mean orifice velocity, λ is a time proper to water and ν is the kinematic viscosity. | |||||
書誌情報 |
日本機械学会論文集. B編 en : 日本機械学会論文集. B編 巻 53, 号 496, p. 3516-3521, 発行日 1987-12 |
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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 | |||||
権利 | ||||||
権利情報 | 日本機械学会 | |||||
著者版フラグ | ||||||
値 | publisher |