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高超声速热流计算湍流模型性能评估

张翔 阎超

张翔, 阎超. 高超声速热流计算湍流模型性能评估[J]. 北京航空航天大学学报, 2015, 41(2): 337-342. doi: 10.13700/j.bh.1001-5965.2014.0109
引用本文: 张翔, 阎超. 高超声速热流计算湍流模型性能评估[J]. 北京航空航天大学学报, 2015, 41(2): 337-342. doi: 10.13700/j.bh.1001-5965.2014.0109
ZHANG Xiang, YAN Chao. Property evaluation on turbulence models calculation in hypersonic heat transfer simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(2): 337-342. doi: 10.13700/j.bh.1001-5965.2014.0109(in Chinese)
Citation: ZHANG Xiang, YAN Chao. Property evaluation on turbulence models calculation in hypersonic heat transfer simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(2): 337-342. doi: 10.13700/j.bh.1001-5965.2014.0109(in Chinese)

高超声速热流计算湍流模型性能评估

doi: 10.13700/j.bh.1001-5965.2014.0109
详细信息
    作者简介:

    张翔(1989—), 男, 陕西宝鸡人, 硕士生, zx906@126.com

    通讯作者:

    阎超(1962—), 男, 江苏徐州人, 教授, yanchao@buaa.edu.cn, 主要研究方向为计算流体力学.

  • 中图分类号: V211.3

Property evaluation on turbulence models calculation in hypersonic heat transfer simulation

  • 摘要: 采用计算流体力学方法,通过对高超声速来流下双椭球热流计算,综合分析了影响壁面热流预测精度的因素.针对工程上4种常用的湍流模型:BL(Baldwin-Lomax)模型、SA(Spalart-Allmaras)模型、k-ω模型及SST(Shear-Stress Transport)模型,评估了其在高超声速热流预测中的性能,获得了湍流模型下壁面法向网格雷诺数对热流计算的影响规律.此外,对高马赫数下不同后掠角钝舵模型进行热流计算,获得了后掠角对钝舵前缘热流峰值的影响规律.研究表明,两方程湍流模型相比一方程和零方程模型更适合高超声速气动热计算,其中SST模型对热流预测精度更高,总体性能更为优异;钝舵驻点线最大热流随后掠角增大呈非单调变化,在后掠角约为22°时热流达到峰值.

     

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出版历程
  • 收稿日期:  2014-03-11
  • 刊出日期:  2015-02-20

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