Study on the Micro Thermal EHL Behavior of Wind Turbine Gearbox

Bin Wu; Wan Kai Shi; Long Zhao; Ping Fu

doi:10.4028/www.scientific.net/AMM.86.443

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 86Study on the Micro Thermal EHL Behavior of Wind...

Study on the Micro Thermal EHL Behavior of Wind Turbine Gearbox

Abstract:

A complete numerical solution for the micro thermal elastohydrodynamic lubrication (EHL) of planetary gearing in wind turbine gearbox is obtained with taking roughness effects and characteristics of non-Newtonian fluids into account. The oil film pressure profile, film shape and the trend of equivalent temperature rise in planetary gearing in special meshing points are drawn. Through comparing with lubrication performance in different surface morphology between Ra=0.8μm and 0.2μm, the results show that the film thickness ratio of ring gear and planetary gears with Ra=0.8μm is greatly smaller than 1.5. From the relationship between tooth surface damage and film thickness ratio, these gears are in abnormal lubrication state, surface damage, when Ra=0.8μm, can theoretically reach more than 15%. However, the surface damage ratio with Ra=0.2μm has been greatly deceased, so as to that it provides a theoretical basis of reliable lubrication analysis for wind turbine gearbox.

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Periodical:

Applied Mechanics and Materials (Volume 86)

Pages:

443-447

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.86.443

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Online since:

August 2011

Authors:

Bin Wu, Wan Kai Shi, Long Zhao, Ping Fu

Keywords:

Roughness Effect, Thermal EHL, Tooth Surface Damage, Wind Turbine Gearbox

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References

[1] F. Oyague: Gearbox Modeling and Load Simulation of a Baseline 750-kW Wind Turbine Using State-of-the-Art Simulation Codes (Technical Report, America 2009).

DOI: 10.2172/947884

Google Scholar

[2] P. Yang and P. Yang: Chinese Journal of Mechanical Engineering Vol. 42 (2006), p.43.

Google Scholar

[3] D.G. Wymer and A. Cameron: Proceedings of the Mechanical Engineers Vol. 188 (1973), p.221.

Google Scholar

[4] X.L. Liu and P.R. Yang: Tribology Vol. 22 (2002), p.295.

Google Scholar

[5] P. Huang, J. Zheng, C. Hooke and S. Wen: Journal of Tsinghua University Vol. 36 (1996), P. 50.

Google Scholar

[6] P. Yang and S. Wen: ASME Tribology Vol. 112 (1990), p.631.

Google Scholar

[7] C. Zhu, Q. Huang and Q. Tang: Transactions of the Chinese Society for Agricultural Machinery Vol. 37 (2006), p.87.

Google Scholar

[8] P. Yang and Q. Chan: Chinese Journal of Mechanical Engineering, Vol. 36 (2000), p.34.

Google Scholar