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Title: Theoretical studies in ferrofluid lubrication : A review
Authors: Verma, Dinesh Kumar
Chandra, Peeyush
Sinha, Prawal
Issue Date: Dec-1998
Publisher: NISCAIR-CSIR, India
Abstract: In many lubrication situations it is required to place the lubricant at a, desired position and then retain it there, Therefore, in recent years, ferrofluids have been successfully employed as lubricants in various hydrodynamically lubricated bearings, This motivated several research workers to investigate the theoretical aspects of ferrofluid lubrication. Tarapov initiated such studies in 1972, while considering ferrofluid lubrication for cylindrical bearings, Subsequently, many analytical studies have been made in this direction for different bearing situations under various simplifying assumptions, It may be noted that the presence of magnetic fluid gives rise to nonlinear coupled partial differential equations, therefore simplified assumptions have been incorporated in various studies, In most of the studies the governing equations for ferrofluid have been taken from the model of Rosensweig, and the equations of lubrication were derived under the assumption that the magnetization vector is parallel to the magnetic field vector, In a later study, the authors have considered Shliomis model to study bearing characteristics in various situations. The aim of this paper is to present a review of analytical studies in this direction.
Page(s): 396-399
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.05(6) [December 1998]

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