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Research Papers: Applications

Analysis of Multirecess Hydrostatic Journal Bearing Operating With Micropolar Lubricant

[+] Author and Article Information
Suresh Verma

Department of Mechanical Engineering, D. C. R. University of Science and Technology, Murthal 131039, India

Vijay Kumar

Department of Mechanical Engineering, Thapar Institute of Engineering and Technology, Patiala 147004, India

K. D. Gupta

Department of Mechanical Engineering, D.C.R. University of Science and Technology, Murthal 131039, India

J. Tribol 131(2), 021103 (Mar 04, 2009) (9 pages) doi:10.1115/1.3070583 History: Received February 28, 2008; Revised November 12, 2008; Published March 04, 2009

This paper presents a theoretical study of the performance characteristics of a constant flow valve compensated multirecess hydrostatic journal bearings operating with micropolar lubricant. The finite element method and iterative procedure have been used to solve the modified Reynolds equation governing the micropolar lubricant flow in the bearing. The performance characteristics are presented for a wide range of nondimensional load, lubricant flow, and micropolar parameters. It has been observed that the micropolar parameters significantly influence the performance characteristics of the bearing.

Copyright © 2009 by American Society of Mechanical Engineers
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Figures

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Figure 3

Variation of load carrying capacity (W) with eccentricity ratio (ε)

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Figure 4

Variation of p¯max with lm

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Figure 5

Variation of h¯min with lm

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Figure 6

Variation of p¯max with Q¯c

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Figure 7

Variation of p¯max with W¯o

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Figure 8

Variation of h¯min with Q¯c

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Figure 9

Variation of h¯min with W¯o

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Figure 10

Variation of S¯XX with Q¯c

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Figure 11

Variation of S¯ZZ with W¯o

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Figure 16

Variation of C¯ZZ with Q¯c

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Figure 15

Variation of C¯XX with W¯o

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Figure 14

Variation of C¯XX with Q¯c

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Figure 13

Variation of S¯ZZ with W¯o

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Figure 12

Variation of S¯ZZ with Q¯c

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Figure 1

(a) Four-pocket hydrostatic bearing, (b) coordinate system, and (c) bearing geometry

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Figure 17

Variation of C¯ZZ with W¯o

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