全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于振动检测的风力机叶片覆冰状态诊断技术

, PP. 88-95

Keywords: 风力机叶片,模态分析,动力学特性,曲率模态,覆冰

Full-Text   Cite this paper   Add to My Lib

Abstract:

对不同覆冰状态下的风力机叶片动力特性进行了模拟实验研究,定义叶片覆冰状态参数,包括覆冰区域起点参数、覆冰区域长度参数和覆冰厚度参数。利用人工环境实验室和模态分析系统建立风力机叶片覆冰振动测试实验台,对风力机模拟叶片在不同覆冰状态下进行模态分析,从叶片的曲率模态参数中提取判断风力机叶片覆冰参数的特征值指标,从实验结果获得的特征值较准确地诊断出风力机模拟叶片覆冰状态。通过仿真计算得到叶片结构的质量变化率和抗弯刚度变化率重合点。上述仿真及实验结果表明风力机叶片覆冰诊断理论方法以及技术具备正确性与可行性。

References

[1]  Bose N.Icing on a small horizontal axis wind turbine-part 1:glaze ice profiles[J].Journal of Wind Engineering and Industrial Aerodynamics,1992,45(1):75-85.
[2]  赵玫,周海亭,陈光冶.机械振动与噪声学[M].北京:科学出版社,2004:9.Zhao Mei,Zhou haiting,Chen Guangye.Mechanical vibration and noise[M].Beijing:Science Press,2004,9(in Chinese).
[3]  陈江,熊峰.基于曲率模态振型的损伤识别方法研究[J].武汉理工大学学报,2007,29(3):99-102.Chen Jiang,Xiong Feng.Curvature mode shapes-based damage identification method[J].Journal of Wuhan University of Technology,2007,29(3):99-102(in Chinese).
[4]  张勇.基于曲率模态变化率指标的结构损伤识别方法研究[J].武汉理工大学,2010(4):22-24.Zhang Yong.Research on structural damage detection method based on change rate of curvature mode [J].Wuhan University of Technology,2010(4):22-24(in Chinese).
[5]  潘旦光,吴顺川,张维.变截面Timoshenko 悬臂梁自由振动分析[J].土木建筑与环境工程,2009,31(3),25-28.Pan Danguang,Wu Shunchuan,Zhang Wei.Free vibration of non-uniform timoshenko cantilever beams[J].Journal of Civil Architectural & Environmental Engineering,2009,31(3):25-28(in Chinese).
[6]  钱波,岳华英.变截面梁横向振动固有频率数值计算[J].力学与实践,2011,33(6):45-49.Qian Bo,Yue Huaying.Numericl calculation of natural frequency of transverse vibration of non-uniform beams [J].Mechanics in Engineering,2011,33(6):45-49(in Chinese).
[7]  赵进忠.简支梁损伤识别曲率法研究[J].甘肃科学学报,2008,20(2):71-74.Zhao Jinzhong.Research on identification of damages based on deflectionof simply supported beam[J].Journal of Gansu Sciences,2008,20(2):71-74(in Chinese).
[8]  姜大正,洪明,周力.运行模态分析技术在船舶结构振动中的应用[J].中国船舶研究,2010,5(3),22-26.Jiang Dazheng,Hong Ming,Zhou Li.Application of operational modal analysis in vibration of ship structures [J].Chinese Journal of Ship Research,2010,5(3):22-26(in Chinese).
[9]  刘鸿文.材料力学[M].北京:高等教育出版社,2004:211-235.Liu Hongwen.Mechanics of materials[M].Beijing:Higher Education Press,2004:211-235 (in Chinese).
[10]  刘红影,刘德勤.温度对芳纶/玻璃纤维复合材料层压板冲击性能的影响[J].玻璃钢/复合材料,2009(6):25-27.Liu Hongying,Liu Deqin.The Role of temperature on impact properties of kevlar/fiber glass composite laminates[J].Fiber Reinforced Plastics/Compostes,2009(6):25-27(in Chinese).
[11]  梁君,赵登峰.模态分析方法综述[J].现代制造工程,2006(8):139-141.Liang Jun,Zhao Dengfeng.Summary of the model analysis method[J]. Modern Manufacturing Engineering,2006(8):139-141(in Chinese).
[12]  孙丽颖,屈单,闫钿.傅里叶变换与小波变换在信号故障诊断中的应用[J].辽宁工学院学报,2005,25(3):155-156.Sun Liying,Qu Dan,Yan Tian.Application of Fourier transform and wavelet transform to signal fault diagnosis [J].Journal of Liaoning Institute of Technology,2005,25(3):155-156(in Chinese).
[13]  吴立民,李路江,戴义平,等.叶片振型测量在频谱分析中的应用[J].河北电力技术,2001(6):9-11.Wu Limin,Li Lujiang,Dai Yiping,et al.Application of blade vibration pattern measurement in frequency spectrum analysis[J].Hebei Electric Power,2001(6):9-11(in Chinese).
[14]  Wang Junyong,Akinturk A,Jones S.Ice loads acting on a model Podded propeller blade[J].Journal of Offshore Mechanics and Arctic Engineering,2007,129(3):236-245.
[15]  Homola M C,Nicklasson P J,Sundsbø P A.Ice sensors for wind turbines[J].Cold Regions Science and Technology,2006,46(2):125-131.
[16]  Kraj A G,Bibeau E L.Phases of icing on wind turbine blades characterized by ice accumulation[J].Journal of Renewable Energy,2010(35):966-972.
[17]  Kraj AG,Bibeau E L.Measurement method and results of ice adhesion force on the curved surface of a wind turbine blade[J].Journal of Renewable Energy,2010,35(4):741-746.
[18]  谭海辉,李录平,朱益军,等.覆冰对风力机叶片动力特性影响的有限元分析[J].可再生能源,2010,28(4):33-38.Tan Haihui,Li Luping,Zhu Yijun,et al.The finite element analysis on the influence of icing on the dynamic performance of wind turbine[J].Renewable Energy Resources,2010,28(4):33-38(in Chinese).
[19]  谭海辉,李录平,靳攀科,等.风力机叶片超声波除冰理论与方法[J].中国电机工程学报,2010,30(35):112-117.Tan Haihui,Li Luping,Jin Panke,et al.Ultrasonic de-icing theory and method for wind turbine blades [J].Proceedings of the CSEE,2010,30(35):112-117(in Chinese).
[20]  Naterer G F,et al.Experimental facility for new hybrid ice/spray flow tunnel with laser based droplet measurement[J].American Institute of Aeronautics and Astronautics,2002(2867):1-10.
[21]  Homola M C,Wallenius T,Makkonen L,et al.The relationship between chord length and rime icing on wind turbines[J].Wind Energy,2010,13(7):627-632.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133