Elastohydrodynamic Simulation of Pneumatic Sealing Friction Considering 3D Surface Topography

被引：6

作者：

Bauer, Niklas ^{[1
]}

Baumann, Matthias ^{[2
]}

Feldmeth, Simon ^{[2
]}

Bauer, Frank ^{[2
]}

Schmitz, Katharina ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Fluid Power Drives & Syst ifas, Campus Blvd 30, D-52074 Aachen, Germany

[2] Univ Stuttgart, Inst Machine Components IMA, Pfaffenwaldring 9, D-70569 Stuttgart, Germany

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2023年 / 46卷 / 01期

关键词：

Elastohydrodynamic lubrication; Pneumatic sealing friction; Pneumatic spool valves; Surface topography; Tribological sealing system; AVERAGE FLOW MODEL;

D O I：

10.1002/ceat.202200471

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This contribution presents an elastohydrodynamic lubrication (EHL) model for pneumatic spool valves. For an accurate estimation of the transient friction of this tribological sealing system, the surface topography of the cylindrical sealing counterfaces of the valve housings are measured and analyzed with an optical surface measurement instrument. Based on the surface topography data, tribological properties and flow factors of the system are derived. It has been found that the consideration of the surface topography has a significant influence on the simulation results of the EHL model, lowering the calculated friction force by up to 20 %.

引用

页码：167 / 174

页数：8

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