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大型风力机叶片表面粗糙度效应数值研究

DOI: 10.13334/j.0258-8013.pcsee.2014.20.019, PP. 3384-3391

Keywords: 风力机,气动性能,表面粗糙度,数值模拟,粗糙度敏感性

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Abstract:

采用CFD方法,通过在风力机二维翼型和三维叶片表面设置等效颗粒粗糙度,对某1.5MW水平轴风力机积灰和昆虫引起的粗糙度效应进行详细的数值研究;计算结果表明:翼型表面尤其是前缘的粗糙度严重影响翼型气动性能,翼型气动性能对翼型表面光洁到粗糙的变化敏感,翼型前缘的粗糙度敏感性随着攻角增大而增加,压力面尾缘局部粗糙度会在一定程度上提高翼型气动性能;对于三维叶片,表面粗糙度尤其是叶尖部位将严重破坏叶片气动性能,叶片整体粗糙度效应不是各段局部粗糙效应简单的线性叠加,而是其综合影响的结果。该文研究可以对风力机叶片表面粗糙度效应机制和气动性能优化提供理论依据。

References

[1]  Corten G P.Insects cause double stall[C]//Symposium on aerodynamics of wind turbines.Stockholm,Sweden,1999.
[2]  Corten G P,Veldkamp H F.Aerodynamics: Insects can halve wind-turbine power[J].Nature,2001,412(6842): 41-42.
[3]  Khalfallah M,Koliub A.Effect of dust on the performance of wind turbines[J].Desalination,2007,209(1-3):209-221.
[4]  Sagol E,Reggio M,Ilinca A.Isues concerning roughness on wind turbine blades[J].Renewable and Sustainable Energy Reviews,2013,23(C):514-525.
[5]  Soltani M R,Birjandi A H,Seddighi Moorani M.Effect of surface contamination on the performance of a section of a wind turbine blade[J].Scientia Iranica,2011,18(3):349-357(in Chinese).
[6]  包能胜,霍福鹏,叶枝全,等.表面粗糙度对风力机翼型性能的影响[J].太阳能学报,2005,26(4):458-462.
[7]  Bao Nengsheng,Huo Fupeng,Ye Zhiquan,et al.Aerodynamic performance influence with roughness on wind turbine airfoil surface[J].Acta Energiae Solaris Sinica,2005,26(4):458-462(in Chinese).
[8]  陈佐一,钟洪亮,孟繁娟,等.叶轮机械叶片节能新技术[J].节能技术,2000,18(99):3-5.
[9]  Chen Zuoyi,Zhong Hongliang,Meng Fangjuan,et al.New energy economization technology for turbomachinery blade[J].Energy Conservation Technology,2000,18(99):3-5(in Chinese).
[10]  Jackson K,Zuteck M,van Dam C P,et al.Innovative design approaches for large wind turbine blades[J].Wind Energy,2005,8(2):141-171.
[11]  Standish K J,Van Dam C P.Aerodynamic analysis of blunt trailing edge airfoils[J].Journal of Solar Energy Engineering,2003,125(4):479-487.
[12]  Rooij R V,Timmer W A.Roughness sensitivity considerations for thick rotor blade airfoils[J].Journal of Solar Energy Engineering,2003,125(4):468-478.
[13]  张旭,李伟.非对称钝尾缘厚度对风力机翼型气动性能的影响[J].中国电机工程学报,2013,33(14):107-113.
[14]  Zhang Xu,Li Wei.Effect of asymmetric blunt trailing-edge thickness on aerodynamic performance of wind turbine airfoils[J].Proceedings of the CSEE,2013,33(14):107-113(in Chinese).
[15]  陶文铨.数值传热学[M].第2版.西安:西安交通大学出版社,2001:5-6.
[16]  Tao Wenquan.Numerical heat transfer[M].Second Edition.Xi’an: Xi’an JiaoTong University Press,2001:5-6(in Chinese).
[17]  Ren Nianxin,Ou Jinping.Numerical simulation of the effect of surface roughness on wind turbine thick airfoils[C]//The 6th International Conference on Vibration Engineering.Dalian,2008:492-498.
[18]  Ferrer E,Munduate X.CFD predictions of transition and distributed roughness over a wind turbine airfoil[C]//47th AIAA Aerospace Sciences Meeting.Orlando,Florida,2009.
[19]  Schlichting H,Gersten K.Boundary-layer theory[M].US:Springer,1996:8-12.
[20]  杨胜华,林贵平,宋馨.粗糙壁面表面传热数值计算比较[J].航空动力学报,2011,26(3):570-575.
[21]  Yang Shenghua,Lin Guiping,Song Xin.Comparative study on the numerical computation of convective heat transfer over rough surfaces[J].Journal of Aerospce Power,2011,26(3):570-575(in Chinese).
[22]  刘磊,徐建中.湍流模型对风力机叶片气动性能预估的影响[J].工程热物理学报,2009,30(7):1136-1139.
[23]  Liu Lei,Xu Jianzhong.The effects of turbulence model on the aerodynamic performance prediction of wind turbine blade[J].Journal of Engineering Thermophysis,2009,30(7):1136-1139(in Chinese).
[24]  范忠瑶,康顺,王建录.风力机叶片三维数值计算方法确认研究[J].太阳能学报,2010,31(3):279-284.
[25]  Fan Zhongyao,Kang Shun,Wang Jianlu.The validate and research on 3D numerical simulation of the aerodynamic performance of wind turbine blades[J].Acta Energiae Solaris Sinica,2010,31(3):279-284(in Chinese).
[26]  Zhong H L,Meng F J,Chen Z Y.A numerical investigation of the effect on airfoil lift-drag ratio of locally enhanced surface roughness[J].Wind Engineering,1998,22(3):143-148.
[27]  陈进,张石强.基于粗糙度敏感性研究的风力机专业翼型设计[J].空气动力学学报,2011,29(2):142-149.
[28]  Cheng Jin,Zhang Shiqiang.Dedicated wind turbine airfoil design based on the roughness sensitivity considerations [J].Acta Aerodynamic Sinca,2011,29(2):142-149(in Chinese).
[29]  包能胜,倪维斗.风力机翼型前缘表面粗糙度对气动性能影响[J].太阳能学报,2008,29(12):1465-1469.
[30]  Bao Nengsheng,Ni Weidou.Influence of additional rough strap of wind turbine airfoil leading edge surface on aerodynamic performance[J].Acta Energiae Solaris Sinica,2008,29(12):1465-1469(in Chinese).
[31]  上官云信,周瑞兴.翼型相对厚度对失速分离特性的影响[J].空气动力学学报,2000,18(增刊):21-26.
[32]  Shangguan Yunxin,Zhou Ruxing.The effect of relative thickness of airfoil on stall separate character[J].Acta Energiae Solaris Sinica,2000,18(supplement):21-26(in Chinese).
[33]  李杰,赵萍,钟贤和,等.粗糙度对风力机叶片气动特性的影响[J].现代电力,2010,27(增刊):231-234.
[34]  Li Jie,Zhao Ping,Zhong Xianhe,et al.Effect of roughness on the aerodynamic performance of wind turbine blades[J].Modern Electric Power,2010,27(supplement):231-234(in Chinese).

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