Effect of Pad-Rotation Angle on Properties of Fluid Film in Tilting Pad Journal Bearing

An analytical model has been developed to analyze the effect of pad rotation angle on fluid film properties. A four pad centrally pivoted tilting pad journal bearing has considered for analysis. The infinite short bearing assumption has taken for determination of fluid film pressure and fluid film forces. The indigenous Matlab (TM) code has made for investigation purpose. Results presented in the form of graphs concerning journal eccentricity ratios and pad rotational angles. Investigation showed that positive pad rotation influences the axial pressure, fluid film thickness, fluid film forces along with pads and bearing stiffness and damping coefficients.