| 风力机翼型的不确定性CFD模拟 |
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| 引用本文： | 刘智益,王晓东,康顺.风力机翼型的不确定性CFD模拟[J].工程热物理学报,2012(7):1143-1146. |
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| 作者姓名： | 刘智益 王晓东 康顺 |
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| 作者单位： | 华北电力大学电站设备状态检测与控制教育部重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(No.51176046);教育部留学回国人员科研启动基金资助项目 |
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| 摘 要： | 本文采用非嵌入式概率配点法对风力机NREL_S809翼型进行了不确定性CFD模拟。在两种特征攻角下,量化了当来流攻角存在不确定性变化时,翼型气动特性的变化,以及不确定性扰动在流场中的传播。研究结果表明,攻角的不确定性对于大攻角工况下流动的影响更大。对小攻角条件下的影响主要体现在翼型前缘处,而大攻角条件下的影响还扩展到了翼型中部和尾缘部分。
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| 关 键 词： | 翼型 风力机 概率配点法 不确定性 数值模拟 |
Non-Deterministic CFD Simulations of Wind Turbine Airfoil |
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| LIU Zhi-Yi WANG Xiao-Dong KANG Shun.Non-Deterministic CFD Simulations of Wind Turbine Airfoil[J].Journal of Engineering Thermophysics,2012(7):1143-1146. |
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| Authors: | LIU Zhi-Yi WANG Xiao-Dong KANG Shun |
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| Institution: | LIU Zhi-Yi WANG Xiao-Dong KANG Shun (Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education, North China Electric Power University,Beijing 102206,China) |
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| Abstract: | In the present paper,non-deterministic simulations were performed on the airfoil NREL S809 under two typical angles of attack(AOA).The non-intrusive probabilistic collocation method was employed to simulate the propagation of uncertainty in flow field.The variation of aerodynamic performance was quantified with the uncertain AOA.The simulation results show that the influence of the AOA uncertainty mainly locates at the leading edge of the airfoil for a low AOA.That influence for a high AOA expands to the middle and the trailing edge of the airfoil. |
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| Keywords: | airfoil wind turbine probabilistic collocation method non-deterministic numericalsimulation |
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