| 黄东群,程兆,徐有恒.侧柱与串列双柱绕流之间的干扰[J].实验力学,1994,9(1): |
| 侧柱与串列双柱绕流之间的干扰 |
| The Interference of Flow Around a Side Cylinder and A Couple of Cylinders in Tandem Arrangement |
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| DOI： |
| 中文关键词: 串列双柱绕流，三圆柱绕流，涡脱频率，缝隙流 |
| 英文关键词:two cylinders in tandem, flow around three cylinders, frequency of vortex shedding, gap flow. |
| 基金项目:国家自然科学基金 |
| 黄东群 程兆 徐有恒 |
| 复旦大学 |
| 摘要点击次数: 208 |
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| 中文摘要: |
| 本文给出了关于串列双柱与创柱间流动干扰的实验研究结果。当三个圆柱排成等边三角形并靠得很近时，由于三圆柱间强烈的缝隙流动，大大地改变了绕流其中的串列双圆柱的流态。特别，当三圆柱中心距等于二倍圆柱直径时，在串列双柱的前、后柱之间形成了强烈的偏斜的缝隙流，出现了独特的压力分布以及要比单柱高出三倍以上的旋涡脱落频率。 |
| 英文摘要: |
| In this paper,the interference of flow around a side cylinder and a couple of cylinders in tandem arrangement is given by conducting experiments in wind tunnel.When three equispaced cylinders are getting closer, the gap flow among them is getting stronger |
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