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前置隔板对圆柱绕流影响的实验分析

周潇 胡烨 王晋军

周潇, 胡烨, 王晋军等 . 前置隔板对圆柱绕流影响的实验分析[J]. 北京航空航天大学学报, 2016, 42(1): 172-179. doi: 10.13700/j.bh.1001-5965.2015.0053
引用本文: 周潇, 胡烨, 王晋军等 . 前置隔板对圆柱绕流影响的实验分析[J]. 北京航空航天大学学报, 2016, 42(1): 172-179. doi: 10.13700/j.bh.1001-5965.2015.0053
ZHOU Xiao, HU Ye, WANG Jinjunet al. Experimental analysis on flow past circular cylinder attached to frontal splitter plate[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 172-179. doi: 10.13700/j.bh.1001-5965.2015.0053(in Chinese)
Citation: ZHOU Xiao, HU Ye, WANG Jinjunet al. Experimental analysis on flow past circular cylinder attached to frontal splitter plate[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 172-179. doi: 10.13700/j.bh.1001-5965.2015.0053(in Chinese)

前置隔板对圆柱绕流影响的实验分析

doi: 10.13700/j.bh.1001-5965.2015.0053
基金项目: 国家自然科学基金(11302018);中国博士后科学基金(2014M560036)
详细信息
    作者简介:

    周潇男,硕士研究生。主要研究方向:流动控制。Tel.:010-82338413E-mail:zx910819zx@163.com;胡烨女,博士。主要研究方向:实验流体力学。Tel.:18810609581E-mail:doubleover@sohu.com;王晋军男,博士,教授,博士生导师。主要研究方向:实验流体力学。E-mail:jjwang@buaa.edu.cn

    通讯作者:

    胡烨,Tel.:18810609581E-mail:doubleover@sohu.com

  • 中图分类号: O357.1

Experimental analysis on flow past circular cylinder attached to frontal splitter plate

Funds: National Natural Science Foundation of China (11302018); China Postdoctoral Science Foundation(2014M560036)
  • 摘要: 对经典的圆柱绕流模型,运用前置隔板对流场进行控制。利用粒子图像测速(PIV)方法在自循环水槽中研究了雷诺数为1 800时,柔性和刚性2种不同刚度的前置隔板对圆柱绕流的影响。研究发现:柔性隔板自由端的弯曲增加了对流场的额外扰动,并且柔性隔板弯曲变形会诱导产生脱落涡,导致尾迹流场的主频发生变化。在圆柱下游流场,无隔板工况与柔性隔板工况的回流区长度相当,刚性隔板工况的回流区相较之下则更长。结果显示:前置隔板还能在一定程度上减小圆柱绕流的阻力。

     

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出版历程
  • 收稿日期:  2015-01-26
  • 刊出日期:  2016-01-20

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