| 控制超临界翼型边界层分离的微型涡流发生器数值模拟 |
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| 引用本文： | 石清,李桦.控制超临界翼型边界层分离的微型涡流发生器数值模拟[J].空气动力学学报,2011,29(4). |
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| 作者姓名： | 石清 李桦 |
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| 作者单位： | 1. 中国空气动力研究与发展中心,四川绵阳621000;国防科学技术大学航天与材料工程学院,湖南长沙410073
2. 国防科学技术大学航天与材料工程学院,湖南长沙,410073 |
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| 摘 要： | 本文基于任意曲线坐标系下的雷诺平均Navier-Stokes方程和Spalart-Allmaras一方程湍流模型,采用对接拼接网格技术和多重网格加速收敛技术,对安装有叶片式微型涡流发生器的超临界机翼翼身组合体进行了数值模拟,研究了微型涡流发生器的高度和弦向安装位置对超临界机翼附面层流动控制的机理以及对超临界机翼气动性能的影响规律。
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| 关 键 词： | 微型涡流发生器 超临界机翼 流动控制 数值模拟 |
Numerical simulation of boundary layer flow separation control for supercritical wing using micro-vortex generators |
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| SHI Qing,LI Hua.Numerical simulation of boundary layer flow separation control for supercritical wing using micro-vortex generators[J].Acta Aerodynamica Sinica,2011,29(4). |
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| Authors: | SHI Qing LI Hua |
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| Institution: | SHI Qing1,2,LI Hua2 (1.China Aerodynamics Research and Development Center,Mianyang Sichuan 621000,China,2.College of Aerospace and Material Engineering,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | In this paper,the main contents are focused on flow control mechanism of micro-vortex generators and aerodynamic performance of supercritical wing.To simulate the aerodynamic characteristics of supercritical wing using micro-vortex generators,based on the RANS equations and SA turbulent model,the numerical methods are adopted including cross-grid technology and multi-grid method.Effectiveness of micro-vortex generators heights and positions on flow control mechanism and aerodynamic performance of supercriti... |
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| Keywords: | micro-vortex generator supercritical wing separated flow control numerical simulation |
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