IMECH-IR  > 力学所知识产出(1956-2008)
较高雷诺数圆柱尾流旋涡脱落的控制
邵传平; 魏庆鼎
Source Publication第十七届全国水动力学研讨会暨第六届全国水动力学学术会议文集.海洋出版社,2003,p.164-171
2003
Pages164-171
Conference Name第十七届全国水动力学研讨会暨第六届全国水动力学学术会议
Conference Date2003
Conference Place北京
Abstract本文提出一种改进的方法用以控制较高雷诺数圆柱尾流的旋涡脱落。在圆柱模型旁平行地放一薄窄条,其长度与圆柱相同,宽度为圆柱直径的0.2倍,厚度为直径的0.015倍。窄条面与圆柱母线平行而与柱面垂直.为固定窄条,引入一排小圆棒。圆棒直径为圆柱直径的0.067倍,长度为圆柱直径的1.4倍。可变参数包括雷诺数,窄条与圆柱之间的距离,窄条与来流的攻角,以及棒间距。实验结果显示,当冒诺数高于2000低于5500,或高于8000时,圆柱尾流中存在一个区域,当窄条位于此区域内时,旋涡脱落被有效抑制。实验表明小圆棒对流动的影响不大,该控制方法基本上是二维的,窄条起决定作用。
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/34662
Collection力学所知识产出(1956-2008)
Corresponding Author邵传平
Recommended Citation
GB/T 7714
邵传平,魏庆鼎. 较高雷诺数圆柱尾流旋涡脱落的控制[C]第十七届全国水动力学研讨会暨第六届全国水动力学学术会议文集.海洋出版社,2003,p.164-171,2003:164-171.
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