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基于N-S方程和自由转捩预测耦合求解的钝后缘翼型气动性能计算

邓磊 乔志德 杨旭东 熊俊涛

邓磊, 乔志德, 杨旭东, 熊俊涛. 基于N-S方程和自由转捩预测耦合求解的钝后缘翼型气动性能计算[J]. 空气动力学学报, 2011, 29(5): 613-618. doi: 130.25/j.issn.0258-1825.2011.05.013
引用本文: 邓磊, 乔志德, 杨旭东, 熊俊涛. 基于N-S方程和自由转捩预测耦合求解的钝后缘翼型气动性能计算[J]. 空气动力学学报, 2011, 29(5): 613-618. doi: 130.25/j.issn.0258-1825.2011.05.013
DENG Lei, QIAO Zhi-de, YANG Xu-dong, XIONG Jun-tao. Computational aerodynamic analysis of thick flatback airfoils coupling RANS and transition prediction code[J]. ACTA AERODYNAMICA SINICA, 2011, 29(5): 613-618. doi: 130.25/j.issn.0258-1825.2011.05.013
Citation: DENG Lei, QIAO Zhi-de, YANG Xu-dong, XIONG Jun-tao. Computational aerodynamic analysis of thick flatback airfoils coupling RANS and transition prediction code[J]. ACTA AERODYNAMICA SINICA, 2011, 29(5): 613-618. doi: 130.25/j.issn.0258-1825.2011.05.013

基于N-S方程和自由转捩预测耦合求解的钝后缘翼型气动性能计算

doi: 130.25/j.issn.0258-1825.2011.05.013
详细信息
    作者简介:

    邓磊(1981-) ,男,安徽毫州人,博士研究生,主要从事CFD数值模拟、翼型设计和风力机叶片设计方面研究.

  • 中图分类号: V211.41+2

Computational aerodynamic analysis of thick flatback airfoils coupling RANS and transition prediction code

  • 摘要: 大厚度钝后缘翼型由于结构和气动性能上的优点,被用于作为大型风力机叶片设计的内侧翼型。而由于其大厚度的特点和风洞实验阻塞度的限制,大雷诺数的风洞实验数据很少,给此类翼型的设计和使用带来困难。本文基于雷诺平均Navier-Stokes(RANS)方程和自由转捩预测耦合求解方法,进行了大厚度钝后缘翼型的气动性能计算研究;针对由于钝后缘后的涡脱落而造成的翼型表面压力分布的脉动,发展了有时均效应的转捩模型以考虑这种周期脉动的时均效应,并对传统的耦合求解方法进行了修改。通过对风力机翼型DU97-W-300的钝后缘改形DU97-Flat翼型的气动性能计算,分析了网格数对计算结果和计算效率的影响。并将计算的DU97-W-300翼型的气动性能和实验结果进行了比较,表明通过本文发展的耦合求解方法可以在更少的计算网格时得到比参考文献更吻合风洞实验结果的气动性能,为此类翼型的设计和使用提供数值计算基础。
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出版历程
  • 收稿日期:  2010-09-12
  • 刊出日期:  2011-10-25

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