TILTING-PAD JOURNAL BEARINGS - MEASURED AND PREDICTED STIFFNESS COEFFICIENTS

This paper presents measured and calculated characteristics of a tilti ng pad journal bearing suitable for high speed machinery. Descriptions are given of the experimental techniques used with this variety of be aring and the theoretical model for predicting performance. Measured v alues of pad temperature, eccentricity, attitude angle, and the four s tiffness coefficients are given for a range of loads and rotational sp eeds. Data are given for both load on pad and between pad configuratio ns, the two principal loading arrangements. Comparisons are made betwe en the measured and predicted bearing temperatures and stiffness coeff icients over a wide range of values.