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基于混合润滑理论的航空作动器密封性能分析

欧阳小平 薛志全 彭超 郭生荣 周清和 杨华勇

欧阳小平, 薛志全, 彭超, 等 . 基于混合润滑理论的航空作动器密封性能分析[J]. 北京航空航天大学学报, 2016, 42(2): 251-257. doi: 10.13700/j.bh.1001-5965.2015.0387
引用本文: 欧阳小平, 薛志全, 彭超, 等 . 基于混合润滑理论的航空作动器密封性能分析[J]. 北京航空航天大学学报, 2016, 42(2): 251-257. doi: 10.13700/j.bh.1001-5965.2015.0387
OUYANG Xiaoping, XUE Zhiquan, PENG Chao, et al. Analysis on aircraft cylinder seal property based on mixed lubrication theory[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(2): 251-257. doi: 10.13700/j.bh.1001-5965.2015.0387(in Chinese)
Citation: OUYANG Xiaoping, XUE Zhiquan, PENG Chao, et al. Analysis on aircraft cylinder seal property based on mixed lubrication theory[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(2): 251-257. doi: 10.13700/j.bh.1001-5965.2015.0387(in Chinese)

基于混合润滑理论的航空作动器密封性能分析

doi: 10.13700/j.bh.1001-5965.2015.0387
基金项目: 国家自然科学基金(51275450,51221004);国家"973"计划(2014CB046403)
详细信息
    作者简介:

    欧阳小平 男,硕士,副教授,硕士生导师。主要研究方向:飞机液压、电液控制以及外骨骼机器人。Tel.:0571-87951274 E-mail:ouyangxp@zju.edu.cn

    通讯作者:

    欧阳小平,Tel.:0571-87951274 E-mail:ouyangxp@zju.edu.cn

  • 中图分类号: TH137.51

Analysis on aircraft cylinder seal property based on mixed lubrication theory

  • 摘要: 针对航空作动器不同压力、温度以及作动速度的工作环境,以Trelleborg公司Turcon VL密封为代表,利用混合润滑理论对其性能进行分析,揭示机载工况对航空作动器密封性能的影响规律。建立了基于混合润滑理论的宏观与微观多场耦合模型,包括:考虑空化及流动因子的Reynolds方程油膜模型、Greenwood-Williamson(G-W)的微观接触模型以及Fourier的传热模型。通过有限体积法求解,分析不同压力下宏观接触压力、微观接触压力以及油膜压力分布特点。研究结果表明:随流体压力增大,泄漏量与摩擦力都近似线性增大;在25℃时无泄漏,而温度升高至135℃时产生少许泄漏;随作动速度增大,摩擦力减小但泄漏量增大。

     

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出版历程
  • 收稿日期:  2015-06-12
  • 网络出版日期:  2016-02-20

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