Effects of the particle Stokes number on wind turbine airfoil erosion
Li, Deshun1,2,3; Zhao, Zhenxi1,2; Li, Yinran1,2,3; Wang, Qing1,2,3; Li, Rennian1,2,3; Li, Ye4
2018-05
发表期刊APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
ISSN0253-4827
卷号39期号:5页码:639-652
摘要Under natural conditions, wind turbines are inevitably eroded by the action of sand-wind flow. To further investigate the effects of dust drift on the erosion of the wind turbine blades in sand-wind environments, the effects of the wind velocity, particle diameter, and particle density on the erosion of wind turbine airfoils are studied, and the effects of the particle Stokes number on the airfoil erosion are discussed. The results show that, when the angle of attack (AOA) is 6.1 degrees, there will be no erosion on the airfoil surface if the particle Stokes number is lower than 0.013 5, whereas erosion will occur if the particle Stokes number is higher than 0.015 1. Therefore, there exists a critical range for the particle Stokes number. When the particle Stokes number is higher than the maximum value in the critical range, airfoil erosion will occur. The result is further confirmed by changing the particle diameter, particle density, and inflow speed. It is shown that the erosion area on the airfoil and the maximum erosion rate are almost equal under the same particle Stokes number and AOA. The extent of airfoil erosion increases when the particle Stokes number increases, and the critical particle Stokes number increases when the AOA increases. Moreover, the geometric shape of the airfoil pressure surface greatly affects the airfoil erosion, especially at the curvature near the leading edge.
关键词wind turbine airfoil erosion Stokes number sand-wind environment
DOI10.1007/s10483-018-2267-6
收录类别SCI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[51766009] ; National Natural Science Foundation of China[51566011]
WOS研究方向Mathematics ; Mechanics
WOS类目Mathematics, Applied ; Mechanics
WOS记录号WOS:000431189300003
出版者SHANGHAI UNIV
EI入藏号20181805133098
EI主题词Turbine components
EI分类号615.8 Wind Power (Before 1993, use code 611 ) - 617 Turbines and Steam Turbines - 651.1 Aerodynamics, General - 652.1 Aircraft, General
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/32678
专题能源与动力工程学院
兰州理工大学
通讯作者Li, Deshun
作者单位1.Lanzhou Univ Technol, Coll Energy & Power Engn, Lanzhou 730050, Gansu, Peoples R China;
2.Gansu Prov Technol Ctr Wind Turbines, Lanzhou 730050, Gansu, Peoples R China;
3.Gansu Prov Key Lab Fluid Machinery & Syst, Lanzhou 730050, Gansu, Peoples R China;
4.Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
第一作者单位能源与动力工程学院
通讯作者单位能源与动力工程学院
第一作者的第一单位能源与动力工程学院
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GB/T 7714
Li, Deshun,Zhao, Zhenxi,Li, Yinran,et al. Effects of the particle Stokes number on wind turbine airfoil erosion[J]. APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION,2018,39(5):639-652.
APA Li, Deshun,Zhao, Zhenxi,Li, Yinran,Wang, Qing,Li, Rennian,&Li, Ye.(2018).Effects of the particle Stokes number on wind turbine airfoil erosion.APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION,39(5),639-652.
MLA Li, Deshun,et al."Effects of the particle Stokes number on wind turbine airfoil erosion".APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION 39.5(2018):639-652.
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