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Facta universitatis - series: Mechanical Engineering
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A study of thin film lubrication at nanoscale for a ferrofluid based infinitely long rough porous slider bearing
(naslov ne postoji na srpskom)
Department of Mathematics, Sardar Patel University, India

e-adresapatel.jimitphdmarch2013@gmail.com
Ključne reči: Long Bearing; Ferrofluid; Rough Surfaces; Nanoscale; Load-carrying Capacity
Sažetak
(ne postoji na srpskom)
The study aims at analyzing the performance of a ferrofluid-based infinitely long rough porous slider bearing which makes use of thin film lubrication at nanoscale. The stochastic model of Christensen and Tonder has been employed to analyze the effect of surface roughness while the Neuringer-Rosensweig's model has been adopted to study the magnetization effect. The pressure distribution in the bearing system has been obtained by solving the associated stochastically averaged Reynolds type equation. The results indicate that although the transverse roughness is supposed to affect the bearing system adversely, the situation remains fairly better in the case of thin film lubrication at nanoscale. In fact, the consideration of thin film lubrication at nanoscale results in an all round improved performance, even for lower strength of the magnetic intensity. However, the couple stress adds a little more to this positive effect.

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jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljen u SCIndeksu: 30.12.2016.

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