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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Saturday 26 May 2018

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Effect of Longitudinal Surface Roughness on the Performance of a Shliomis Model Based Ferrofluid Circular Squeeze Film Considering Couple stresses Effect


Volume 23, Issue 2, May 2016, Pages 466–475

 Effect of Longitudinal Surface Roughness on the Performance of a Shliomis Model Based Ferrofluid Circular Squeeze Film Considering Couple stresses Effect

Himesh Arvindbhai Patel, Himanshu C. Patel, and G.M. Deheri

Original language: English

Received 25 April 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


This paper aims to analyze the combined effect of couple stress and longitudinal surface roughness on the behavior of a Shliomis model based ferrofluid squeeze film in circular plates. The stochastic averaging model of Christensen and Tonder for longitudinally surface roughness has been adopted here. The generalized Reynolds’ type equation obtained by the application of Shliomis ferro-hydrodynamic model incorporating the Stoke’s micro- continuum theory has been stochastically averaged. The pressure distribution in the bearing system has been calculated taking recourse to appropriate boundary conditions. Then load carrying capacity of the bearing system is derived. The results presented in graphical forms, make it clear that the longitudinal surface roughness significantly modifies the squeeze film performance. It is clearly observed that the enhanced performance due to the combined effect of couple stress and magnetization gets further improved due to longitudinal surface roughness barring the case of negatively skewed roughness.

Author Keywords: Circular plates, Squeeze film, roughness, Couple stress, Ferrofluid.


How to Cite this Article


Himesh Arvindbhai Patel, Himanshu C. Patel, and G.M. Deheri, “Effect of Longitudinal Surface Roughness on the Performance of a Shliomis Model Based Ferrofluid Circular Squeeze Film Considering Couple stresses Effect,” International Journal of Innovation and Scientific Research, vol. 23, no. 2, pp. 466–475, May 2016.