A HP CO2 centrifugal compressor was running with high thrust bearing temperature after a recent trip restart.The compressor is driven by a 

of Oil Lubricated Thrust Collars in Integrally Geared Compressors and overhaul than single-shaft centrifugal compressors.

Centrifugal compressors are used in small gas turbines and are the driven units in most gas turbine compressor trains. They are an integral part of the petrochemical industry, finding

A centrifugal compressor in ethylene plant charge gas service experienced high thrust bearing temperatures after startup from an overhaul and rerate • The pad metal temperatures reached 265°F with a 40°F spread between instrumented pads • Pad metal temperature would have been higher, but compressor speed

6/1 · In a centrifugal compressor, energy is transferred from a set of rotating impeller blades to the gas. The designation “centrifugal” implies that the gas flow is radial, and the energy transfer is caused from a change in the centrifugal forces acting on the gas. Centrifugal compressors deliver high flow capacity per unit of installed space

Thrust collar mounting design is inadequate. Rotor Thrust Calculations. Thrust loads in compressors due to aerodynamic forces are affected by impeller geometry, 

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Changes in End Play. The purpose of thrust bearing end play is to provide axial clearance between the thrust collar and the thrust bearing assemblies. The end 

Centrifugal compressor Axial thrust force Animation Backward and Forward motion when Variating Refrigerant pressure in Evaporator due to building temperature

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