A Comparison of Magnetic Fluid Flow Models on the Behavior of a Ferrofluid Squeeze Film in Curved Rough Porous Circular Plates Considering Slip Velocity
| Autor: | G. M. Deheri, Jimit R. Patel |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Ferrofluid
Stochastic modelling General Mathematics General Physics and Astronomy 02 engineering and technology General Chemistry Mechanics Slip (materials science) Surface finish 021001 nanoscience & nanotechnology Physics::Fluid Dynamics 020303 mechanical engineering & transports 0203 mechanical engineering Fluid dynamics Surface roughness General Earth and Planetary Sciences Boundary value problem 0210 nano-technology General Agricultural and Biological Sciences Porosity Geology |
| Zdroj: | Iranian Journal of Science and Technology, Transactions A: Science. 42:2053-2061 |
| ISSN: | 2364-1819 1028-6276 |
| Popis: | This study aims to present a comparison of all the three magnetic fluid flow models (Neuringer–Rosensweig model, Shliomis model, Jenkins model) regarding the behaviour of a ferrofluid based curved rough porous circular squeeze film with slip velocity. The Beaver’s and Joseph’s slip model has been adopted to evaluate the effect of slip velocity. Further, the stochastic model of Christensen and Tonder has been used to study the effect of surface roughness. The concerned stochastically averaged Reynolds type equation is solved with appropriate boundary conditions to get the pressure distribution lead thus leading to the calculation of load carrying capacity. The graphical representations ensure that Shliomis model may be preferred for designing the bearing system with enhanced life period. However, for lower to moderate values of slip even Neuringer–Rosensweig model may be adopted. In addition, when the slip is at minimum the Jenkin’s model may be deployed when the roughness is at lower level. |
| Databáze: | OpenAIRE |
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