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The Influence of Impeller Wear Ring Geometry on Suction Performance
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Wear rings are a necessary feature of an enclosed centrifugal impeller design. The purpose of the wear ring is to limit the leakage of fluid from the high pressure zone at the impeller outlet to the low pressure region at ...
Eliminating Damage of Retaining Rings by Using Redesigned "Profiled" Keys
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Retaining rings are used to locate pump impellers axially on the shafts of high speed, high pressure Siemens Delaval boiler feed pumps. Upon repairing and refurbishing the inner barrels, the retaining rings were found to ...
Centrifugal Compressor Configuration, Selection and Arrangement: A User's Perspective
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
The detailed sizing and selection of centrifugal compressors may be somewhat of a mystery to the typical user. Once the suction and discharge process conditions and required flow rates are established, they are submitted ...
Your Gas Compression Application - Reciprocating, Centrifugal, or Screw?
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
This tutorial addresses the question of which compressor type is better suited to a given application - reciprocating, centrifugal or rotary screw- with the screw being subdivided into oil-free and oil-flooded types. The ...
Barrier And Buffer Fluid Selection And Considerations For Mechanical Seals
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
The increased use of pressurized and non-pressurized dual mechanical seals has driven more installations to require the use of barrier and buffer fluids. While some end users have viewed the selection of barrier fluids as ...
Energy Savings Through Effective Interstage Pipe Design of Centrifugal Compressor Stages
(Texas A&M University. Turbomachinery Laboratories, 2012)
Compressor Failures due to CO2 Corrosion
(Texas A&M University. Turbomachinery Laboratories, 2012)
Protecting Magnetic Bearings from External Factors and Process Contaminations
(Texas A&M University. Turbomachinery Laboratories, 2012)
High Vibration Analysis of Eddy Current Drum Coupled Motor to a Vertical Centrifugal Pump : Solution Based on EMA, ODS and FEA
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
The 35-year old pump station moves up to 43 MGD of raw wastewater to the city’s treatment facility via two 1,500-hp high-capacity pumps for wet weather flows. After the motors were refurbished in 2011, excessive motor ...
Modeling Of Rotor Bow During Hot Restart In Centrifugal Compressors
(Texas A&M University. Turbomachinery Laboratories, 2010)
Rotor bow during hot restart is a common cause of high vibrations in turbomachinery. It may occur after the shutdown of a machine operating under load, if the rotor is left cooling in standstill condition (no turning gear) ...