Figures & data
Figure 1. Schematic representation of four-pad adjustable bearing (Source: United States Patent and Trademark Office, www.uspto.gov, U.S. Patent No. 5,772,334, Citation1998): (1) bearing casing, (2) adjustable pad, (3) tilting spacer, and (4) radial displacement spacer.
Figure 2. Adjustable bearing pad configuration.
Figure 3. Representation of the mathematical approach applied to develop modified film thickness: (1) profile of multipad bearing, (2) negative radial adjustment, (3) positive radial adjustment, and (4) positive tilt adjustment.
Figure 4. Mathematical formulation of film thickness using trigonometric relations.
Figure 5. Comparison of dimensionless film thickness variation on a 120° single-pad adjustable bearing for ε = 0.4. (a) Variation presented by Shenoy (Citation2008) and (b) present analysis results.
Table 1. Comparison of dimensionless film thickness variation observed in Shenoy (Citation2008) and present analysis for a 120° single-pad bearing under ε = 0.4
Figure 6. Variation of dimensionless fluid film thickness in a four-pad adjustable bearing with different radial and tilt adjustments under ε = 0.4.
Table 2. Dimensionless film thickness variation observed over a four-pad adjustable bearing for different radial and tilt adjustments at ε = 0.4
Table 3. Dimensionless film thickness variation in four-pad adjustable bearing with negative R adj and negative tilt angle operated for different eccentricity ratios
Figure 7. Variation of dimensionless fluid film thickness in four-pad adjustable bearing under different eccentricity ratios with negative R adj and negative tilt angle.
