Viscous Oil Film Thermal Modeling of Hydrostatic Bearings With a Rectangular Microgroove Surface

The thermal effect of the viscous oil film hydrostatic bearings is key factor causing bearing errors, and working surface with microgroove structures can potentially inhibit effectively ensure accuracy. In this study, a modeling method for heat generation rectangular established, influence design scales onto studied. First, flowing field numerical simulation model established verified by published analytical model. Based on method, behaviors are Then, combining calculation its simulation, modified established. On basis, scale It be concluded that appropriate microgroove, microgrooves reduce average velocity flow restrain energy loss generation.