船舶与海洋工程

基于正交实验的粗糙表面接触密封性能预测方法

  • 崔颖 ,
  • 孙唯一 ,
  • 于颖嘉 ,
  • 王永亮
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  • (大连海事大学 船舶与海洋工程学院,辽宁  大连  116026)
孙唯一(1993 — ),男,硕士生,E-mail:sunweiyi1994@foxmail.com.

收稿日期: 2019-05-16

  修回日期: 2019-05-27

  网络出版日期: 2019-05-27

基金资助

中央高校基本科研业务费专项基金资助项目(3132017007).

Prediction method of contact sealing performance of rough surface based on orthogonal experiments

  • CUI Ying ,
  • SUN Wei-yi ,
  • YU Ying-jia ,
  • WANG Yong-liang
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  • (Naval Architecture and Ocean Engineering College,Dalian Maritime University, Dalian 116026, China)

Received date: 2019-05-16

  Revised date: 2019-05-27

  Online published: 2019-05-27

摘要

针对金属接触密封性能的预测问题,在粗糙表面数值表征和有限元接触分析基础上,利用正交实验法拟合表面形貌特征参数、施加载荷与接触面积比之间的函数关系,结合逾渗理论栅格模型,采用自动寻径算法得到密封泄漏概率随接触面积比的变化规律,从而建立一套预测粗糙表面形貌、施加载荷与密封性能之间关系的定量分析方法,可为金属接触密封设计分析提供方法指导.

本文引用格式

崔颖 , 孙唯一 , 于颖嘉 , 王永亮 . 基于正交实验的粗糙表面接触密封性能预测方法[J]. 大连海事大学学报, 2019 , 45(3) : 53 -58 . DOI: 10.16411/j.cnki.issn1006-7736.2019.03.008

Abstract

Aiming at the prediction problem of metal contact sealing performance,the orthogonal experimental method was used to fit the functional relationship between surface topographical parameters, applied load and contact area ratio based on the numerical representation of rough surface and finite element contact analysis.Combined with the grid model of percolation theory, the variation rule of seal leakage probability with contact area ratio was simulated by using automatic path-finding algorithm. Therefore, a quantitative analysis method for predicting the relationship between rough surface topography with applied load and sealing performance was established, which can provide guidance for designing metal contact seal.

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