Abstract
The performance of fluid pivot journal bearing (FPJB) in the one-sided floating state is studied experimentally and numerically. The effects of pressure tap diameter and recess area ratio on recess pressure, floating height and load-carrying capacity of the bearing are presented. Constant load and various speeds are studied in test and numerical calculations. The results show that the recess pressure increases from 448 to 1800 RPM and keep constant from 2242 to 3300 RPM. Pad tilting angle almost has no change with the increase of speed. The larger pressure tap diameter leads to an increase of bearing capacity. The larger recess area ratio results in the smaller recess pressure and the bearing capacity remains constant.
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