Search
Now showing items 1-10 of 11
Gas Turbine Performance And Maintenance
(Texas A&M University. Turbomachinery Laboratories, 2012)
Proper maintenance and operating practices can significantly affect the level of performance degradation and thus, time between repairs or overhauls of a gas turbine. Understanding of performance characteristics of gas ...
Simplified Modal Analysis For The Plant Machinery Engineer
(Texas A&M University. Turbomachinery Laboratories, 2012)
Experimental modal analysis and operating deflection shapes (ODS) are powerful tools in vibration analysis and machinery troubleshooting. However, the machinery plant engineer often doesn’t believe such techniques are ...
Comparison Of Different Variable Speed Compression Train Configurations With Respect To Rotordynamic Stability And Torsional Integrity
(Texas A&M University. Turbomachinery Laboratories, 2012)
Wherever a variable speed gas compression train is needed for Oil & Gas upstream applications as well as for gas storage applications the primary decision has to be made between a gas turbine driver and an electric motor ...
VSDS Motor Inverter Design Concept For Compressor Trains Avoiding Interharmonics In Operating Speed Range
(Texas A&M University. Turbomachinery Laboratories, 2012)
During operation of compressor trains by a variable speed drive system (VSDS), integer and non-integer harmonic currents are generated in the inverter. Via the electrical system of the inverter and the motor, an excitation ...
Babbitted Bearing Health Assessment
(Texas A&M University. Turbomachinery Laboratories, 2012)
Within most plants there is often a desire to extend the time between outages. Several factors determine this but one to consider is the bearings ability to run for the extended time. This Tutorial will address common ...
Gas Seal Contamination
(Texas A&M University. Turbomachinery Laboratories, 2012)
Design of seals and sealing systems requires multidisciplinary skills and deep understanding of interactions between the seals and its environment. This paper proposes to present typical gas seals contaminants and corresponding ...
Pulsation, Vibration, And Noise Issues With Wet and Dry Screw Compressors
(Texas A&M University. Turbomachinery Laboratories, 2012)
Although wet (oil injected) and dry (oil free) screw compressors are widely used in many applications, limited information is available regarding the pulsation, vibration, and noise problems associated with these types of ...
Torsional Natural Frequencies: Measurement Vs. Prediction
(Texas A&M University. Turbomachinery Laboratories, 2012)
Excessive torsional vibration can cause damage or failure to rotating equipment trains thereby resulting in costly shutdowns. A comprehensive torsional vibration analysis is the typical method of designing a torsional ...
Introduction To Engineering Ethics With Rotating Machinery Case Studies
(Texas A&M University. Turbomachinery Laboratories, 2012)
Most states now require professional engineers to regularly study engineering ethics. Texas, for example, requires one hour of engineering ethics training every year. Most engineering ethics instruction tends to be extremely ...
Buying / Selling Serial #1
(Texas A&M University. Turbomachinery Laboratories, 2012)
The machinery utilized in the Oil and Gas Industry, (Upstream, Midstream and Downstream) is undergoing very significant changes. In the past years, the use of new designs or prototype machinery was strongly discouraged. ...