STUDY ON CONTACT DAMAGE OF WIND POWER GEARS BASED ON CONFIGURATIONAL FORCE THEORY

YE Nan; ZHANG YanHui; WANG Rong; LIU Ran; ZHANG ChuanFen; OUYANG Heng; DUAN ShuYong

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STUDY ON CONTACT DAMAGE OF WIND POWER GEARS BASED ON CONFIGURATIONAL FORCE THEORY

更新时间：2024-07-22

- STUDY ON CONTACT DAMAGE OF WIND POWER GEARS BASED ON CONFIGURATIONAL FORCE THEORY
- Journal of Mechanical Strength Pages: 1-9(2024)
- 作者机构：
  
  1.河北工业大学省部共建电工装备可靠性与智能化国家重点实验室，天津300401
  2.河北工业大学机械工程学院，天津300401
  3.西安交通大学机械结构强度与振动国家重点实验室，西安710049
  4.School of Aerospace， Xi'an Jiaotong University， Xi'an 710049，China
- 作者简介：
  
  WANG Rong， E⁃mail： rongwang@hebut.edu.cn
- 基金信息：
- DOI：
  CLC： TK83
- Published Online：22 July 2024，
- 稿件说明：
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叶楠,张雁辉,王荣等.基于构型力理论的风电齿轮接触损伤研究[J].机械强度,

YE Nan,ZHANG YanHui,WANG Rong,et al.STUDY ON CONTACT DAMAGE OF WIND POWER GEARS BASED ON CONFIGURATIONAL FORCE THEORY[J].Journal of Mechanical Strength,
叶楠,张雁辉,王荣等.基于构型力理论的风电齿轮接触损伤研究[J].机械强度, DOI：10.16579/j.issn.1001-9669...001.

YE Nan,ZHANG YanHui,WANG Rong,et al.STUDY ON CONTACT DAMAGE OF WIND POWER GEARS BASED ON CONFIGURATIONAL FORCE THEORY[J].Journal of Mechanical Strength, DOI：10.16579/j.issn.1001-9669...001.

摘要

风电机组齿轮箱长期处在随机风载等复杂环境下，其齿轮接触疲劳成为限制风电机组装备稳定性与可靠性的关键因素，进行齿轮接触损伤演化机理研究面临着应力状态复杂、损伤各向异性及失效建模困难等难点。材料构型力理论可以描述缺陷构型变化对材料自由能的影响，可用来预测材料的损伤和失效行为。基于构型力理论建立齿轮接触损伤模型，选取齿轮接触承载关键区域进行齿轮接触界面应力场仿真分析，模拟在接触载荷作用下齿轮接触损伤演化过程。研究结果表明，构型力理论损伤模型可以有效模拟齿轮接触损伤现象，解释齿面点蚀和剥落，对准确预测齿轮接触疲劳寿命具有理论指导意义。

Abstract

The gear box of wind turbine is in the complex environment such as random wind load for a long time， and the gear contact fatigue becomes a key factor limiting the stability and reliability of wind turbine equipment. The research on the gear contact damage evolution mechanism was faced with difficulties such as complex stress states， damage anisotropy and failure modeling. Material configurational force theory can describe the effect of defect configurational change on the free energy of materials and can be used to predict the damage and failure behavior of materials. A wind turbine gear contact damage model was constructed based on this theory. The gear contact interface stress field simulation analysis was carried out for the key bearing area of gear contact， and the gear contact damage evolution process under contact load was simulated. The research results have shown that the configurational force theory damage model can effectively simulate the contact damage phenomenon of gear and explain the pitting and spalling of gear surfaces. It has theoretical significance to predict contact fatigue life of gear accurately.

关键词

风电齿轮齿轮接触构型力界面应力损伤演化

Keywords

Wind turbine gearGear contactConfigurational forceInterfacial stressDamage evolution

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