Effect of groove location on the dynamic characteristics of multiple axial groove water lubricated journal bearing

Research output: Contribution to journalArticle

Abstract

The stability characteristics of water lubricated journal bearings having three axial grooves are obtained theoretically. In this lubricant (water) is fed under pressure from one end of the bearing, through the 3-axial grooves (groove angles may vary). These bearings can use the process fluid as the lubricant, as in the case of feed water pumps. The Reynolds equation is solved numerically by the finite difference method satisfying the boundary conditions. The stiffness and damping coefficient for various bearing number and eccentricity ratios, assuming linear pressure drop along the groove, shows that smaller groove angles better results.

Original languageEnglish
Pages (from-to)738-742
Number of pages5
JournalWorld Academy of Science, Engineering and Technology
Volume36
Publication statusPublished - 12-2009

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Bearings (structural)
Journal bearings
Lubricants
Water
Reynolds equation
Finite difference method
Pressure drop
Damping
Stiffness
Boundary conditions
Pumps
Fluids

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "The stability characteristics of water lubricated journal bearings having three axial grooves are obtained theoretically. In this lubricant (water) is fed under pressure from one end of the bearing, through the 3-axial grooves (groove angles may vary). These bearings can use the process fluid as the lubricant, as in the case of feed water pumps. The Reynolds equation is solved numerically by the finite difference method satisfying the boundary conditions. The stiffness and damping coefficient for various bearing number and eccentricity ratios, assuming linear pressure drop along the groove, shows that smaller groove angles better results.",
author = "{Vijaya Kini}, M. and Pai, {R. S.} and {Srikanth Rao}, D. and {Satish Shenoy}, B. and R. Pai",
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AU - Vijaya Kini, M.

AU - Pai, R. S.

AU - Srikanth Rao, D.

AU - Satish Shenoy, B.

AU - Pai, R.

PY - 2009/12

Y1 - 2009/12

N2 - The stability characteristics of water lubricated journal bearings having three axial grooves are obtained theoretically. In this lubricant (water) is fed under pressure from one end of the bearing, through the 3-axial grooves (groove angles may vary). These bearings can use the process fluid as the lubricant, as in the case of feed water pumps. The Reynolds equation is solved numerically by the finite difference method satisfying the boundary conditions. The stiffness and damping coefficient for various bearing number and eccentricity ratios, assuming linear pressure drop along the groove, shows that smaller groove angles better results.

AB - The stability characteristics of water lubricated journal bearings having three axial grooves are obtained theoretically. In this lubricant (water) is fed under pressure from one end of the bearing, through the 3-axial grooves (groove angles may vary). These bearings can use the process fluid as the lubricant, as in the case of feed water pumps. The Reynolds equation is solved numerically by the finite difference method satisfying the boundary conditions. The stiffness and damping coefficient for various bearing number and eccentricity ratios, assuming linear pressure drop along the groove, shows that smaller groove angles better results.

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