Micropolar lubricant effects on the performance of partial journal bearings

Author:

Sharma Sanyam1ORCID,Lambha Sanjeev2,Mittal Vinod2,Verma Rajiv2

Affiliation:

1. Department of Mechanical Engineering, Institute of Engineering and Technology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, India

2. Department of Mechanical Engineering, National Institute of Technology, Kurukshetra, Haryana, India

Abstract

Present work deals with the computation of static performance of partial journal bearing, operated with micropolar lubricant. The non-dimensional Reynolds equation governs the lubricant flow in clearance space and finite element method is used to solve it. Static characteristics including bearing load capacity, attitude angle, friction force, friction factor, and side flow are presented. Input parameters are chosen such as partial angles 120° and 180° and a width-diameter ratio (1.0), for a range of micropolar fluid parameters. The numerically simulated results show that the bearing geometry and lubricant micropolar parameters on higher side, provide an improved static performance of partial journal bearing system.

Publisher

SAGE Publications

Subject

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

Reference38 articles.

1. Misalignment Effects In 180° Partial Journal Bearings

2. Balupari RS. Validation of finite element program for journal bearings-static and dynamic properties. PhD Thesis 2004.

3. Allaire PE. Introduction to journal bearing design for turbomachinery. 16th Turbomachinery Symposium, Dallas, Texas, October 26–29, 1987.

4. FLUID-SOLID INTERCTION (FSI) ANALYSIS OF PARTIAL JOURNAL BEARING

5. Steady state and dynamic characteristics of partial journal bearings

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1. Behavior of elliptical bearing with micropolar fluid: influence of ellipticity parameters;Multiscale and Multidisciplinary Modeling, Experiments and Design;2024-03-13

2. Stability analysis of partial journal bearings lubricated with micropolar fluid;Industrial Lubrication and Tribology;2023-12-29

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