Research on influence of return oil groove width on temperature field of hydrostatic thrust bearing with multiple oil pads

摘要

Based on lubrication theory and computational fluid dynamics, build finite element model of lubricating oil film of hydrostatic bearing with multiple oil pads, carry on analysis calculation for temperature field of hydrostatic bearing with multiple oil pads adopting finite volume method. Under variable viscosity, aiming at different return oil groove width on the premise of the same depth, carry on numerical simulation for oil film of hydrostatic bearing with multiple oil pads, using general fluid finite element software CFX, and discuss the influence of return oil groove width on temperature rise when hydrostatic bearing with multiple oil pads work at a constant speed under constant inlet flow rate, analysis results indicate that distribution law of three-dimensional temperature field of oil film basically is identical under different return oil groove width, temperature rise of hydrostatic bearing with multiple oil pads is little affected by return oil groove width.