RESEARCH ARTICLE

Effect of friction coefficients on the dynamic response of gear systems

  • Lingli JIANG , 1,2 ,
  • Zhenyong DENG 1 ,
  • Fengshou GU 2 ,
  • Andrew D. BALL 2 ,
  • Xuejun LI 1
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  • 1. Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
  • 2. Centre for Efficiency and Performance Engineering, University of Huddersfield, Huddersfield HD1 3DH, UK

Received date: 19 Aug 2016

Accepted date: 08 Nov 2016

Published date: 04 Aug 2017

Copyright

2017 Higher Education Press and Springer-Verlag Berlin Heidelberg

Abstract

The inevitable deterioration of the lubrication conditions in a gearbox in service can change the tribological properties of the meshing teeth. In turn, such changes can significantly affect the dynamic responses and running status of gear systems. This paper investigates such an effect by utilizing virtual prototype technology to model and simulate the dynamics of a wind turbine gearbox system. The change in the lubrication conditions is modeled by the changes in the friction coefficients, thereby indicating that poor lubrication causes not only increased frictional losses but also significant changes in the dynamic responses. These results are further demonstrated by the mean and root mean square values calculated by the simulated responses under different friction coefficients. In addition, the spectrum exhibits significant changes in the first, second, and third harmonics of the meshing components. The findings and simulation method of this study provide theoretical bases for the development of accurate diagnostic techniques.

Cite this article

Lingli JIANG , Zhenyong DENG , Fengshou GU , Andrew D. BALL , Xuejun LI . Effect of friction coefficients on the dynamic response of gear systems[J]. Frontiers of Mechanical Engineering, 2017 , 12(3) : 397 -405 . DOI: 10.1007/s11465-017-0415-4

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 51575177), the China Scholarship Council, the China Postdoctoral Science Foundation, and the Science and Technology Department of Hunan Province (Grant No. 2015JC3108).
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