| 基于气动反问题的风力机翼型优化设计 |
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| 引用本文： | 戴韧,王宏光,杨爱玲,陈康民. 基于气动反问题的风力机翼型优化设计[J]. 工程热物理学报, 2011, 0(9) |
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| 作者姓名： | 戴韧 王宏光 杨爱玲 陈康民 |
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| 作者单位： | 上海理工大学能源与动力工程学院; |
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| 基金项目： | 国家自然科学基金项目(No.50976072); 上海市重点学科建设项目(No.J50501) |
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| 摘 要： | 翼型气动优化设计的核心在于快速、准确的流动性能分析与快速、可靠的寻优算法。本文提出通过控制翼型表面预期流动分布,应用气动反问题方法,求解性能优化的翼型气动设计新方法。本文的翼型流动分析是基于位势流动与边界层积分方程的迭代解法。气动参数寻优采用了基于多变量搜索的加速POWELL算法,在确定的参数空间内,遍历搜索最佳性能点,可以保证最终优化解的全局性。气动反问题求解采用了壁面喷吸气模型。计算案例表明,本文方法的计算时间少,在流动不分离时具有与RANS同等计算精度,为快速开发低速风力机翼型提供了一个有效的设计方法。
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| 关 键 词： | 风力机 边界层 反问题 气动优化 |
Airfoil Optimization Based on Aerodynamic Inverse Problem for Wind Turbine |
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| DAI Ren WANG Hong-Guang YANG Ai-Ling CHEN Kang-Min. Airfoil Optimization Based on Aerodynamic Inverse Problem for Wind Turbine[J]. Journal of Engineering Thermophysics, 2011, 0(9) |
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| Authors: | DAI Ren WANG Hong-Guang YANG Ai-Ling CHEN Kang-Min |
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| Affiliation: | DAI Ren WANG Hong-Guang YANG Ai-Ling CHEN Kang-Min (University of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | The core components of airfoil aerodynamic design and optimization system are fast and accurate flow analyzer together with fast and robust optimizer.This paper presents a novel airfoil aerodynamic design method which is formulated as inverse flow problem and solved through controlling prescribed surface pressure profile.Flow over airfoil is solved by inviscid potential flow method iterated with boundary layer integral equations.Optimal pressure distribution is searched with multi-variable POWELL algorithm.... |
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| Keywords: | wind turbine boundary layer inverse problem aerodynamic optimization |
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