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橡胶油封唇口温度及其对润滑失效影响

赵良举 赵向雷 杜长春 彭钿忠 李云飞 吴庄俊

赵良举, 赵向雷, 杜长春, 彭钿忠, 李云飞, 吴庄俊. 橡胶油封唇口温度及其对润滑失效影响[J]. 机械科学与技术, 2014, 33(6): 840-844. doi: 10.13433/j.cnki.1003-8728.2014.0612
引用本文: 赵良举, 赵向雷, 杜长春, 彭钿忠, 李云飞, 吴庄俊. 橡胶油封唇口温度及其对润滑失效影响[J]. 机械科学与技术, 2014, 33(6): 840-844. doi: 10.13433/j.cnki.1003-8728.2014.0612
Zhao Liangju, Zhao Xianglei, Du Changchun, Peng Dianzhong, Li Yunfei, Wu Zhuangjun. rubber Oil Seal Lip Temperature and Its Effect on Lubrication Failure[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 840-844. doi: 10.13433/j.cnki.1003-8728.2014.0612
Citation: Zhao Liangju, Zhao Xianglei, Du Changchun, Peng Dianzhong, Li Yunfei, Wu Zhuangjun. rubber Oil Seal Lip Temperature and Its Effect on Lubrication Failure[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 840-844. doi: 10.13433/j.cnki.1003-8728.2014.0612

橡胶油封唇口温度及其对润滑失效影响

doi: 10.13433/j.cnki.1003-8728.2014.0612
基金项目: 

重庆市自然科学基金项目(CSTC2007BB6184)

中央高校基本科研业务费项目(CDJZr11140002)资助

详细信息
    作者简介:

    赵良举(1970-),教授,博士,研究方向为低品位能源利用和橡胶油封散热与泵汲效应,zhaolj@cqu.edu.cn

rubber Oil Seal Lip Temperature and Its Effect on Lubrication Failure

  • 摘要: 通过理论分析得到与温度相关的油膜厚度表达式,同时建立油封工作的二维轴对称模型,考虑润滑油膜厚度与黏温效应,分析了旋转轴转速和油封周向载荷对油封唇口温度分布、最高温度和温升的影响,以及唇口温度对油封润滑失效的影响。结果表明:油封唇口附近温度梯度较大,油封与旋转轴之间产生的摩擦热主要通过旋转轴和润滑油散失;油封唇口最高温度和唇口温升随转速增加而增加,随周向载荷增加而增加;唇口温升增加导致润滑油黏度降低,使得油膜厚度减小,当油膜厚度小于临界膜厚时油封会出现润滑失效。
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出版历程
  • 收稿日期:  2013-12-15
  • 刊出日期:  2015-06-10

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