Steady State Characteristics of Finite Oil Journal Bearingsconsidering Fluid Inertia effect and Influence of pressure dependent variable viscosity
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International Journal of Engineering Trends and Technology (IJETT) | 
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| © 2017 by IJETT Journal | ||
| Volume-46 Number-7 |
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| Year of Publication : 2017 | ||
| Authors : A.K.Bandyopadhyay, S.K.Mazumder, M.C.Majumdar |
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| DOI : 10.14445/22315381/IJETT-V46P263 |
Citation
A.K.Bandyopadhyay, S.K.Mazumder, M.C.Majumdar "Steady State Characteristics of Finite Oil Journal Bearingsconsidering Fluid Inertia effect and Influence of pressure dependent variable viscosity", International Journal of Engineering Trends and Technology (IJETT), V46(7),372-378 April 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Abstract
This theoretical work describes the influence
of fluid-inertia effects on performance characteristics of
finite journal bearingconsidering with pressure
dependent viscosity. The theoretical analysis is intended
to show the effect of fluid inertia on the journal bearing
performance for three-dimensional bearing
geometries.The average Reynolds equation is modified
to include the fluid inertia effect and variable viscosity
effect and is used to obtain pressure field in the fluidfilm.
The solutions of modified average Reynolds
equations are obtained using finite difference method
and appropriate iterative schemes. The effects of
circumferential fluid-film pressure distribution, load
carrying capacity of the bearing are studied by
considering fluid-inertia effects.The steady state bearing
performance analysis is done through parametric study
of the various variables like modified Reynolds number,
eccentricity ratio, slenderness ratio, attitude angle,
Viscosity Parameter.The variation of bearing load
carrying capacity, attitude angle, has been studied and
plotted against various parameters.It has been found
from the analysis that the steady state load carrying
capacity increases with eccentricity ratio as well as with
modified Reynolds number as viscosity parameter
increases.It is also observed that load carrying capacity
is higher for the effect of variable viscosity than
Isoviscous lubricants.
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Keywords
modified Reynolds number, slenderness
ratio, attitude angle, sommerfeld number, eccentricity
ratio, journal bearings, inertia, and Viscosity
Parameter.