Vol.20, Special Issue, 2020, pp. S61–S64
UDC:

EFFECT OF TRANSVERSE ROUGHNESS ON CHARACTERISTICS OF SQUEEZE FILM BETWEEN POROUS COMPLETE CONICAL PLATES

P.L. Thakkar, H.C. Patel

Science and Humanities Department, LD College of Engineering, Gujarat, INDIA

email: pragnesh83@ldce.ac.in ; dr.prof.hcpatel@ldce.ac.in 

 

Abstract

Present study incorporates discussion on the impact of transverse surface roughness between porous complete conical plates based on the characteristics of squeeze film. The study is made keeping Christensen’s stochastic theory for hydrodynamic lubrication of rough surfaces in view. The associated Reynolds type equation has been solved with appropriate boundary conditions to get pressure, and thus, load-bearing capacity has been calculated. Furthermore, results of load bearing capacity for distinct values of semi vertical angle of cone, standard deviation, mean, skewness and aspect ratio are numerically obtained and are presented in graphical form. The outcome of the study suggests that the impact of semi vertical angle reduces the pursuance of bearing system with the reduction in load bearing capacity. In addition to this, it also has been proved that the negative mean, negative skewness, proper values of semi vertical angle and porosity can improve the performance of the bearing system.

Keywords: surface roughness, porosity, Reynolds equation, pressure distribution, load bearing capacity, conical plates

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