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International Journal of Mathematics Trends and Technology

Research Article | Open Access | Download PDF

Volume 55 | Number 5 | Year 2018 | Article Id. IJMTT-V55P546 | DOI : https://doi.org/10.14445/22315373/IJMTT-V55P546

Porous Curved Pivoted Slider Bearings Lubricated with Micropolar Fluids


Siddangouda A, N.B.Naduvinamani, Mahaveer D.Patil, S.B.Patil
Abstract

In this paper, the performance of the curved pivoted porous slider bearings is studied. The general modified Reynolds-type equation is derived on the basis of micro continuum theory. Microscopic effects generated by micromotions of particles in suspension in a viscous fluid drastically change the character of the flow between the solid walls. The closed form of expressions for the mean film pressure and load carrying capacity, frictional force is obtained. Numerical computations show that the performance of the slider bearings is prepared by the uses of lubricants with additives (micropolar fluids) as compared to the lubricants. Further it is observed that the micropolarity parameters l and N increase the pressure, load carrying capacity, frictional force, coefficient of friction and centre of pressure. The effect of porous parameters causes the reduction of pressure and load carrying capacity.

Keywords
pivoted slider bearing, micropolar fluids, porous.
References

[1] O. Reynolds, “On the Theory of Hydrodynamic Lubrication and Its Applications to Mr.Beauchamps Tower’s Experiments Including an Experimental Determination of Viscosity of Olive Oil”.Philosoph. Trans.Roy.Soc.Series A12.157 -234(1886).
[2] A.C.Eringen, “Theory of micropolar fluids”, J.Maths.Mech., Vol.16, pp1-18 (1966).
[3] A.Cameron, V.T.Morgan and A.E.Stainsby, “Critical conditions for hydrodynamics lubrication of porous metal bearings”. Proc. Inst. Mech. Eng. London., Vol. 176, p. 761-770(1962).
[4] H.Wu , “An analysis of squeeze film between porous rectangular plates”. ASME. J. Lubr. Techonl., Vol.94, p. 64-68(1972).
[5] P.R.K.Murti, “Effect of slip flow in narrow porous bearings with arbitrary wall Thickness”. J. Appl. Mech., Vol. 42(2), p. 518- 523(1972).
[6] M.V.Bhatt, “Hydrodynamic lubrication of porous composite slide bearing”. Japanese Journal of Applied Physics. Vol. 17, No.3, p.479-481(1978).
[7] P.D.S.Verma, V.K.Agrawal , S.B.Bhatt , “Porous inclined slider bearing lubricated with micropolar fluid”, Wear, vol.53, p. 101-106(1979).

Citation :

Siddangouda A, N.B.Naduvinamani, Mahaveer D.Patil, S.B.Patil, "Porous Curved Pivoted Slider Bearings Lubricated with Micropolar Fluids," International Journal of Mathematics Trends and Technology (IJMTT), vol. 55, no. 5, pp. 350-361, 2018. Crossref, https://doi.org/10.14445/22315373/IJMTT-V55P546

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