Dynamic analysis of liquid-lubricated hydrostatic journal bearings

Miscellaneous · Mon Jan 01 00:00:00 EST 1990

OSTI ID:5758105

Kocur, Jr, J A

A hybrid bearing reduces the dependency of its behavior on the lubricant viscosity, bearing clearance, bearing surface area by combining the hydrostatic and hydrodynamic effects. The combination permits the hybrid bearing to be incorporated into rotor designs, where the working fluids of the rotor may be used in place of externally supplied lubricants. An effective and practical method to predict the static and dynamic behavior of hybrid bearings is developed. The model includes the three major fluid effects in the bearing; the orifice restriction, inertia losses at the pocket edges, and hydrodynamic effects on the bearing land regions. Lubrication is modeled and calculated using a finite element solution of Reynolds equation with turbulence corrections.

• Research Organization: Virginia Univ., Charlottesville, VA (USA)
• OSTI ID: 5758105
• Resource Relation: Other Information: Ph.D. Thesis
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
JOURNAL BEARINGS
LUBRICATION
MATHEMATICAL MODELS
COMPUTER CODES
FINITE ELEMENT METHOD
HYDRODYNAMICS
HYDROSTATICS
ORIFICES
REYNOLDS NUMBER
ROTORS
TURBULENCE
VISCOSITY
WORKING FLUIDS
BEARINGS
FLUID MECHANICS
FLUIDS
MECHANICS
NUMERICAL SOLUTION
OPENINGS
420400* - Engineering- Heat Transfer & Fluid Flow