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Early Detection Of Rotating Stall Phenomenon In Centrifugal Compressors By Means Of ASME PTC 10 Type 2 Test
(Texas A&M University. Turbomachinery Laboratories, 2012)
A centrifugal compressor presenting rotating stall can exhibit many problems, as limitation on its operational range, high level of subsynchronous vibrations, reduced efficiency and premature bearing wear. There are many ...
A Comparison of Manufacturing Methods, Accuracy, Quality Control and Testing Methods a They Relate to High Head Low Flow Impeller Efficiency and Overall Compressor Performance
(Texas A&M University. Turbomachinery Laboratories, 2012)
This paper presents a detailed analysis and evaluation of impeller efficiency and overall compressor performance as they relate to specific impeller manufacturing methods, manufacturing tolerances, and quality control. The ...
Impact Of Electrical Noise On The Torsional Response Of VFD Compressor Trains
(Texas A&M University. Turbomachinery Laboratories, 2012)
The popularity of VFD motors in compressor trains has increased in recent years. Increased process flexibility is a primary consideration for implementation of VFD systems. However, this comes at a cost of increased ...
Evaluation of Bearing Designs for a Multistage Centrifugal Compressor Using a Magnetic Exciter
(Texas A&M University. Turbomachinery Laboratories, 2012)
The amount of damping in the rotor/bearing system is the key to stability of centrifugal gas compressors, especially for rotors with high slenderness ratio. A full pressure performance test can certainly demonstrate whether ...
Valve Performance And Life Of Reciprocating Compressors
(Texas A&M University. Turbomachinery Laboratories, 2012)
The operation of a reciprocating compressor is closely linked to the performance of its valves in terms of life and efficiency. Most operators report that the most significant cause of forced outages of reciprocating ...
Analysis Of Solid Particle Surface Impact Behavior In Turbomachines To Assess Blade Erosion And Fouling
(Texas A&M University. Turbomachinery Laboratories, 2012)
Solid particle admission is one of the principal damage and failure mechanisms in turbomachines such as gas turbines, axial, and centrifugal compressors. Significant interest exists within the turbomachinery industry to ...
Centrifugal Stage Performance Prediction And Validation For High Mach Number Applications
(Texas A&M University. Turbomachinery Laboratories, 2012)
Centrifugal compressors used for process applications like Liquefied Natural Gas (LNG) plants require operation at high machine Mach numbers (>1) due to the heavy gas and reduced footprint requirements. Performance guarantees ...
Steady State Performance Prediction Of Directly Lubricated Fluid Film Journal Bearings
(Texas A&M University. Turbomachinery Laboratories, 2012)
Predicting the performance of directly lubricated bearings is a challenge facing bearing manufacturers and end users alike. In this study, thermoelastohydrodynamic (TEHD) theories are applied to analyze three directly ...
C' Type PTFE Gaskets Performances In High Pressure Sour Applications
(Texas A&M University. Turbomachinery Laboratories, 2012)
CO2 Compression At World's Largest Carbon Dioxide Injection Project
(Texas A&M University. Turbomachinery Laboratories, 2012)
Compressors for carbon dioxide (CO2) applications have been widely used in the O&G industry for urea production, enhanced oil recovery (EOR) and CO2 pipeline services for many years. New environmental challenges have ...