Author:
Dolatsara Nioosha Ghasemi,Daliri Maghsood,Shameli Moharram
Abstract
Purpose
The purpose of this paper is to investigate squeezing and rotating motions between two parallel annular discs lubricated by ferro-fluid couple stress lubricant in the presence of a uniform magnetic field.
Design/methodology/approach
Based upon the Stokes couple stress theory and ferro-hydrodynamic model of Shliomis, squeeze film characteristics between two parallel annular discs are obtained.
Findings
According to the results, it is found that the combined effects of couple stress and ferro-fluid lubricant increase squeeze film performance with respect to the classical Newtonian lubricant. However, an increase in the rotational inertia parameter reduces squeeze film characteristics.
Originality/value
This paper is relatively original and describes the squeeze film characteristics between two parallel annular discs with rotational inertia, couple stress and ferro-fluid lubricant effects.
Subject
Surfaces, Coatings and Films,General Energy,Mechanical Engineering
Cited by
3 articles.
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