Mutual Effect of Groove Size and Anisotropy of Cylinder Liner Honed Textures on Engine Performances

The cylinder liner surface texture, widely generated by the honing technique, contributes a lot on engine functional performances (friction, oil consumption, running-in, wear etc.). In order to improve these functional performances, different honing processes are being developed. These different honing processes generate surfaces with various texture features characteristics (roughness, valleys depth, valley width, cross hatch angle, etc.). This paper addresses a comparison of ring-pack friction for cylinder texture with different cross-hatch angles and valley sizes. It takes in consideration the mutual effect of valley depth and honing angle. A numerical model is developed to predict friction within the cylinder ring-pack system in mixed lubrication regime and a morphological method is used to characterize groove depth. The results show the effect of different honing variables (rotation speed, stroke speed and indentation pressure) on cylinder bore surface textures and hydrodynamic friction of the ring-pack system.

[1]  Mezghani Sabeur,et al.  Energy efficiency optimization of engine by frictional reduction of functional surfaces of cylinder ring-pack system , 2013 .

[2]  Duncan Dowson,et al.  On lubricant transport conditions in elastohydrodynamic conjuctions , 1998, Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences.

[3]  D. Jeulin,et al.  Parametric Optimization of Periodic Textured Surfaces for Friction Reduction in Combustion Engines , 2008 .

[4]  Dong Zhu,et al.  A Full Numerical Solution to the Mixed Lubrication in Point Contacts , 2000 .

[5]  Wei Chen,et al.  A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems , 2007 .

[6]  D. Jeulin,et al.  Morphological decomposition of the surface topography of an internal combustion engine cylinder to characterize wear , 2001 .

[7]  Eduardo Tomanik,et al.  Friction and wear bench tests of different engine liner surface finishes , 2008 .

[8]  Sabeur Mezghani,et al.  Running-in wear modeling of honed surface for combustion engine cylinderliners , 2013 .

[9]  Hassan Zahouani,et al.  The effect of groove texture patterns on piston-ring pack friction , 2012 .

[10]  S. Mezghani,et al.  Mutual influence of crosshatch angle and superficial roughness of honed surfaces on friction in ring-pack tribo-system , 2013 .

[11]  W. 0. Winer,et al.  Correlational Aspects of the Viscosity-Temperature-Pressure Relationship of Lubricating Oils(Dr In dissertation at Technical University of Delft, 1966) , 1966 .

[12]  Yuankai Zhou,et al.  Development of the theoretical model for the optimal design of surface texturing on cylinder liner , 2012 .

[13]  Mohammed Yousfi,et al.  Multiscale Analysis of the Roughness Effect on Lubricated Rough Contact , 2014 .

[14]  Josef Schmid,et al.  Less wear and oil consumption through helical slide honing of engines by Deutz , 2009 .

[15]  D. Dowson,et al.  Elasto-hydrodynamic lubrication : the fundamentals of roller and gear lubrication , 1966 .

[16]  Dong Zhu,et al.  Virtual Texturing: Modeling the Performance of Lubricated Contacts of Engineered Surfaces , 2005 .

[17]  Hua Zhu,et al.  An optimum design model for textured surface with elliptical-shape dimples under hydrodynamic lubrication , 2011 .

[18]  Avinash Kumar Agarwal,et al.  Effect of liner surface properties on wear and friction in a non-firing engine simulator , 2007 .

[19]  Hui Wang,et al.  Simulations and Measurements of Sliding Friction Between Rough Surfaces in Point Contacts: From EHL to Boundary Lubrication , 2006 .