Abstract
The thermoelastic behavior of hydrostatic thrust bearings is analyzed numerically. Mineral oils, HWCF, sea water, and tap water are studied as lubricants. The physical properties of lubricants are expressed as a function of temperature and pressure. The heat transfer and thermoelastic distortion of the bearing pad are considered. The performance of bearings is evaluated by the load carrying capacity, mass flow rate, and friction torque. The effect of temperature and pressure on the physical properties of mineral oils is greater than that on HWCF, sea water, and tap water. The load carrying capacity is scarcely influenced by the types of lubricant, the angular velocity, and the fluid film profile. The fluid film thickness influences the mass flow rate and the friction torque. The inclination of the bearing pad increases the mass flow rate and the moment-load carrying capacity. The distortion due to pressure in the fluid film increases the mass flow rate.
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