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An Experimental Study on the Effect of Oscillatory Flow on Turbulence Propertiesinduced by Porous Media
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- NAKAJO Sota
- 大阪市立大学大学院工学研究科都市系専攻 日本学術振興会
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- SHIGEMATSU Takaaki
- 大阪市立大学工学研究科都市系専攻
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- SAKASHITA Naoya
- 堺市上下水道局下水道部
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- TSUJIMOTO Gozo
- 神戸市立工業高等専門学校都市工学科
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- TAKEHARA Kosei
- 近畿大学理工学部社会環境学科
Bibliographic Information
- Other Title
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- 振動流特性が多孔質体誘起乱流に及ぼす影響に関する研究
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Description
The effect of oscillatory flow properties, the Reynolds number and the KC number, on turbulence generated by a porous media was investigated by hydraulic experiment. Violent turbulence was generated when interstitial velocity exceeded a critical level. Turbulent energy generated in pores increased as the Reynolds number increased. In a porous media, difference between minimum and maximum values of turbulent energy was increased as the KC number increased. And outside porous media, turbulent energy spread widely as the KC number increased. Under unsteady oscillatory flow, maximum turbulent energy was larger than that of unidirectional steady flow.
Journal
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- PROCEEDINGS OF COASTAL ENGINEERING, JSCE
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PROCEEDINGS OF COASTAL ENGINEERING, JSCE 55 841-845, 2008
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001204549983872
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- NII Article ID
- 130003992372
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- ISSN
- 18848222
- 09167897
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed