留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

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。

     

  • [1] CHOI H,JEON W P,KIM J.Control of flow over a bluff body[J].Annual Review of Fluid Mechanics,2008,40:113-139.
    [2] LEE S J,LEE S I,PARK C W.Reducing the drag on a circular cylinder by upstream installation of a small control rod[J].Fluid Dynamics Research,2004,34(4):233-250.
    [3] SHIH W C L,WANG C,COLES D,et al.Experiments on flow past rough circular cylinders at large Reynolds numbers[J].Journal of Wind Engineering and Industrial Aerodynamics,1993,49(1):351-368.
    [4] BEARMAN P W,HARVEY J K.Control of circular cylinder flow by the use of dimples[J].AIAA Journal,1993,31(10):1753-1756.
    [5] CHOI J,JEON W P,CHOI H.Mechanism of drag reduction by dimples on a sphere[J].Physics of Fluids,2006,18(4):041702.
    [6] LEE S J,KIM H B.The effect of surface protrusions on the near wake of a circular cylinder[J].Journal of Wind Engineering and Industrial Aerodynamics,1997,69-71:351-361.
    [7] LIM H C,LEE S J.Flow control of circular cylinders with longitudinal grooved surfaces[J].AIAA Journal,2002,40(10):2027-2036.
    [8] ANDERSON E,SZEWCZYK A.Effects of a splitter plate on the near wake of a circular cylinder in 2 and 3-dimensional flow configurations[J].Experiments in Fluids,1997,23(2):161-174.
    [9] HWANG J Y,YANG K S,SUN S H.Reduction of flow-induced forces on a circular cylinder using a detached splitter plate[J].Physics of Fluids,2003,15(8):2433-2436.
    [10] KWON K,CHOI H.Control of laminar vortex shedding behind a circular cylinder using splitter plates[J].Physics of Fluids,1996,8(2):479-486.
    [11] OZONO S.Flow control of vortex shedding by a short splitter plate asymmetrically arranged downstream of a cylinder[J].Physics of Fluids,1999,11(10):2928-2934.
    [12] ROSHKO A.On the wake and drag of bluff bodies[J].Journal of the Aeronautical Sciences,1955,22(2):124-132.
    [13] HWANG J Y,YANG K S.Drag reduction on a circular cylinder using dual detached splitter plates[J].Journal of Wind Engineering and Industrial Aerodynamics,2007,95(7):551-564.
    [14] QIU Y,SUN Y,WU Y,et al.Effects of splitter plates and Reynolds number on the aerodynamic loads acting on a circular cylinder[J].Journal of Wind Engineering and Industrial Aerodynamics,2014,127:40-50.
    [15] HEATHCOTE S,GURSUL I.Flexible flapping airfoil propulsion at low Reynolds numbers[J].AIAA Journal,2007,45(5):1066-1079.
    [16] KANG C K,AONO H,CESNIK C E,et al.Effects of flexibility on the aerodynamic performance of flapping wings[J].Journal of Fluid Mechanics,2011,689:32-74.
    [17] ANTONIA R,RAJAGOPALAN S.Determination of drag of a circular cylinder[J].AIAA Journal,1990,28(10):1833-1834.
    [18] ZHOU J,ADRIAN R J,BALACHANDAR S,et al.Mechanisms for generating coherent packets of hairpin vortices in channel flow[J].Journal of Fluid Mechanics,1999,387:353-396.
  • 加载中
计量
  • 文章访问数:  773
  • HTML全文浏览量:  92
  • PDF下载量:  604
  • 被引次数: 0
出版历程
  • 收稿日期:  2015-01-26
  • 网络出版日期:  2016-01-20

目录

    /

    返回文章
    返回
    常见问答