A damage mechanics approach for lifetime estimation of wind turbine gearbox materials

被引：13

作者：

Jantara, Valter Luiz, Jr. ^{[1
]}

Basoalto, Hector ^{[2
]}

Papaelias, Mayorkinos ^{[1
]}

机构：

[1] Univ Birmingham, Sch Met & Mat, Birmingham, W Midlands, England

[2] Univ Sheffield, Dept Mat Sci & Engn, Sheffield, S Yorkshire, England

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2020年 / 137卷

关键词：

Wind turbine gearbox; Damage; Lifetime estimation; Constitutive model; EQUATIONS; FATIGUE;

D O I：

10.1016/j.ijfatigue.2020.105671

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Wind turbine gearboxes (WTG) have been suffering from premature failures and rarely live up to their designed lifetime. This study focuses on a better understanding of WTG failures. A finite element model of a gear pair was coupled with a constitutive model to quantify and predict damage, while also testing for different service conditions. A damage mechanics formulation is presented based on a physics-based dislocation slip model. Additionally, an estimation of the remaining useful lifetime of the component was generated, further assisting wind turbine farm operators to move towards the implementation of a truly predictive maintenance approach.

引用

页数：10

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