On the behavior of a ferrofluid-lubricated herringbone-grooved hybrid slot-entry bearing-Reference-Cited by-同舟云学术

On the behavior of a ferrofluid-lubricated herringbone-grooved hybrid slot-entry bearing

Published:2021-03-08 Issue:11 Volume:235 Page:2295-2315
ISSN:1350-6501
Container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

Author:

Sharma Satish C¹,Sahu Krishnkant¹^ORCID

Affiliation:

1. Tribology Laboratory, Mechanical and Industrial Engineering Department, Indian Institute of Technology, Roorkee, India

Abstract

The behavior of a slot-entry hybrid herringbone-grooved journal-bearing system lubricated with a ferrofluid lubricant has been numerically studied. The modified Reynolds equation of a ferrofluid bearing model based on the Stokes micro-continuum theory has been numerically solved by a finite-element method. A MATLAB code based on the Gauss–Seidel iteration scheme has been solved to numerically simulate the bearing performance. The simulated results reveal that the use of a ferrofluid lubricant provides enhanced values of lubricant film thickness, fluid film stiffness/damping coefficient, and better stability threshold speed.

Publisher

SAGE Publications

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/1350650121997241

Reference48 articles.

1. Free boundary of lubricant film in ferrofluid journal bearings

2. Recent progress in ferrofluids research: novel applications of magnetically controllable and tunable fluids

3. Static Performance of Finite Hydrodynamic Journal Bearings Lubricated by Magnetic Fluids with Couple Stresses

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