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提高k-ω SST模型对翼型失速特性的模拟能力

文晓庆 柳阳威 方乐 陆利蓬

文晓庆, 柳阳威, 方乐, 等 . 提高k-ω SST模型对翼型失速特性的模拟能力[J]. 北京航空航天大学学报, 2013, 39(8): 1127-1132.
引用本文: 文晓庆, 柳阳威, 方乐, 等 . 提高k-ω SST模型对翼型失速特性的模拟能力[J]. 北京航空航天大学学报, 2013, 39(8): 1127-1132.
Wen Xiaoqing, Liu Yangwei, Fang Le, et al. Improving the capability of k-ωSST turbulence model for predicting stall characteristics of airfoil[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(8): 1127-1132. (in Chinese)
Citation: Wen Xiaoqing, Liu Yangwei, Fang Le, et al. Improving the capability of k-ωSST turbulence model for predicting stall characteristics of airfoil[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(8): 1127-1132. (in Chinese)

提高k-ω SST模型对翼型失速特性的模拟能力

基金项目: 国家自然科学基金资助项目(51006006,51136003);国家重点基础研究发展计划资助项目(2012CB720205);航空科学基金资助项目(2012ZB51014)
详细信息
  • 中图分类号: V211.3

Improving the capability of k-ωSST turbulence model for predicting stall characteristics of airfoil

  • 摘要: 采用CFD软件fluent,k-ω SST模型对S825翼型进行了二维数值模拟.针对k-ω SST模型对翼型分离失速特性模拟不准的情况,对分离区域内湍流的强非平衡输运特性进行了分析.研究表明:原始模型由于不能准确模拟分离区内湍流的强非平衡输运特性,导致其对翼型失速特性模拟失效;提出了通过修正模型系数a1β*,提高k-ω SST模型预测非平衡湍流输运特性的方法,从而提高对翼型失速特性的模拟精度.

     

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出版历程
  • 收稿日期:  2012-09-04
  • 修回日期:  2013-08-08
  • 刊出日期:  2013-08-30

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