Theoretical study of Shliomis model based magnetic squeeze film in rough curved annular plates with assorted porous structures

Patel, Jignesh P.; Deheri, G. M.

doi:10.5937/fmet1401056p

Cited by 12 publications

(12 citation statements)

References 23 publications

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“…It was realised that the magnetization could also reduce the adverse effect of surface roughness up to some extent when suitable values of slip parameter were in place. Then Patel and Deheri reported the FFs lubrication of a squeeze film in rotating rough porous curved circular plates and rough curved annular plates . The stochastic modelling of transverse roughness was employed in the two literatures.…”

Section: Ferrofluids Lubrication Based On Three Flow Modelsmentioning

confidence: 99%

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Ferrofluids lubrication: a status report

Huang

Wang

2015

Lubrication Science

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Ferrofluids (FFs) are stable colloidal suspensions composed of single‐domain magnetic nanoparticles dispersed in a carrier liquid. And it is an intelligent material, exhibiting normal liquid behaviour coupled with superparamagnetic properties. Since the properties and the location of these fluids can easily be influenced by a magnetic field, FFs have recently attracted many scientific, industrial and commercial applications. Lubrication is one of the most important applications for FFs, and the advantage of FFs as lubricant, over the conventional ones, is that the former can be retained at the desired location with moderate magnetic fields. The main focus of this paper is to present a comprehensive review on FFs lubrication theories based on the three flow models of Neuringer–Rosensweig, Shliomis and Jenkins. Besides, a few experimental studies on FFs lubrication are discussed briefly. Copyright © 2015 John Wiley & Sons, Ltd.

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Section: Ferrofluids Lubrication Based On Three Flow Modelsmentioning

confidence: 99%

“…Configuration of the curved annular plates bearing system . The bearing consists of two annular plates with each of inside radius b and outside radius a ( a > b ).…”

Section: Ferrofluids Lubrication Based On Three Flow Modelsmentioning

confidence: 99%

Ferrofluids lubrication: a status report

Huang

Wang

2015

Lubrication Science

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“…It was found that the adverse effect of transverse roughness could be overcome by the positive effect of ferrofluid lubrication in the case of negatively skewed roughness by suitably choosing curvature parameters and rotational inertia when Kozeny-Carmans model was used for porous structure. Patel and Deheri (2014d) theoretically analyzed the performance of Shliomis model based ferrofluid lubrication of a squeeze film between curved rough annular plates with comparison between two different porous structures. It was manifest that the effect of morphology parameter and volume concentration parameter increased the load carrying capacity.…”

Section: Introductionmentioning

confidence: 99%

Combined Effect of Slip Velocity and Roughness on the Jenkins Model Based Ferrofluid Lubrication of a Curved Rough Annular Squeeze Film

Patel

Deheri

2016

JAFM

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This paper theoretically analyzes the combined effect of slip velocity and surface roughness on the performance of Jenkins model based ferrofluid squeeze film in curved annular plates. The effect of slip velocity has been studied resorting to the slip model of Beavers and Joseph. The stochastically averaging method of Christensen and Tonders has been deployed for studying the effect of surface roughness. The pressure distribution is derived by solving the associated stochastically averaged Reynolds type equation with suitable boundary conditions, leading to the computation of load carrying capacity. The graphical representations reveal that the transverse surface roughness adversely affects the bearing performance. However, Jenkins model based ferrofluid lubrication offers some scopes in minimizing this adverse effect when the slip parameter is kept at minimum. Of course, an appropriate choice of curvature parameters adds to this positive effect in the case of negatively skewed roughness. Moreover, it is established that this type of bearing system supports certain amount of load; even when there is no flow which does not happen in the case of conventional lubricant based bearing system.

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“…It was noticed that the adverse effect of transverse roughness could be overcome by the positive effect of ferrofluid lubrication in the case of negatively skewed roughness by suitably choosing curvature parameters and rotational inertia when Kozeny-Carman's model was deployed for porous structure. [51] theoretically analyzed the effect of Shliomis model based ferrofluid lubrication on the squeeze film between curved rough annular plates with comparison between two different porous structures. It was shown that the effect of morphology parameter and volume concentration parameter increased the load carrying capacity.…”

Section: Introductionmentioning

confidence: 99%

Jenkins model based magnetic squeeze film in curved rough circular plates considering slip velocity: A comparison of shapes

Patel¹,

Deheri²

2015

FME Transaction

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Theoretical study of Shliomis model based magnetic squeeze film in rough curved annular plates with assorted porous structures

Abstract: In present theoretical investigation, the effect of Shliomis model based

Cited by 12 publications

References 23 publications

Ferrofluids lubrication: a status report

Ferrofluids lubrication: a status report

Combined Effect of Slip Velocity and Roughness on the Jenkins Model Based Ferrofluid Lubrication of a Curved Rough Annular Squeeze Film

Jenkins model based magnetic squeeze film in curved rough circular plates considering slip velocity: A comparison of shapes

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