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扰流片分离流动特性的数值研究

陈迎春 张攀峰 王晋军

陈迎春, 张攀峰, 王晋军等 . 扰流片分离流动特性的数值研究[J]. 北京航空航天大学学报, 2004, 30(12): 1221-1224.
引用本文: 陈迎春, 张攀峰, 王晋军等 . 扰流片分离流动特性的数值研究[J]. 北京航空航天大学学报, 2004, 30(12): 1221-1224.
Chen Yingchun, Zhang Panfeng, Wang Jinjunet al. Numerical simulation of separation flow around flaps with varied gap size[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(12): 1221-1224. (in Chinese)
Citation: Chen Yingchun, Zhang Panfeng, Wang Jinjunet al. Numerical simulation of separation flow around flaps with varied gap size[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(12): 1221-1224. (in Chinese)

扰流片分离流动特性的数值研究

基金项目: 部委基金资助项目
详细信息
    作者简介:

    陈迎春(1961-),男,江苏徐州人,博士生, cyc0616@avicl-fai.com.

  • 中图分类号: V 21143

Numerical simulation of separation flow around flaps with varied gap size

  • 摘要: 在非结构网格下,采用SIMPLE算法结合两层带状边界层模型求解雷诺平均N-S方程.研究了底部间隙对平板扰流片引起的分离再附流动结构的影响.结果表明带底部间隙扰流片的流动结构主要由顶部绕流和底部间隙射流影响.底部间隙的大小决定了射流的强度,最终决定了绕流的结构.随着底部间隙的增大,绕流经历了封闭单涡回流区、射流干扰回流区以及平板绕流3种流动结构.它们之间的分界点分别是用扰流片宽无量纲间隙g/h=0.2,0.4.底部间隙0.2<g/h<0.4,底板压力分布基本保持不变,因此不会影响其应用于飞机部件的静态气动特性.

     

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出版历程
  • 收稿日期:  2003-11-03
  • 网络出版日期:  2004-12-31

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