Browsing Turbomachinery and Pump Symposia by Title
Now showing items 2399-2418 of 2440
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2017)
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)This course presents analysis and testing methods for pumps and turbomachinery. Focus is on centrifugal pumps of all types, centrifugal compressors, axial compressors, fans, steam turbines and gas turbines. Rotordynamics ...
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(Texas A&M University. Turbomachinery Laboratories, 2014)
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(Texas A&M University. Gas Turbine Laboratories, 1980)A large vertical pump with its associated motor driver constitutes a very complex dynamic system. The apparent simplicity of the visible cantilever portion of the machine belies the complex interaction of the unit with its ...
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(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)A case history is presented in which vibration related problems with two pole electric motors have delayed acceptance of the complete pump packages by the end user. Noncompliance with contract specifications led to a major ...
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(Texas A&M University. Turbomachinery Laboratories, 1997)Large utility steam turbines have experienced very high vibration levels on their generator exciter bearings. Units where the exciter rotor is supported by a single bearing are particularly susceptible. This synchronous ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)During workshop testing of a new 3-stage main air compressor, higher than expected vibration levels were detected at stage 1 and 2 at start up. They are high enough that the machine could not be brought to the full speed. ...
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(Texas A&M University. Turbomachinery Laboratories, 2008)During the startup of one of the compression trains of an offshore platform, in August/2006, excessively high vibrations were observed at the high pressure compressor. The same problem was also verified one week later, ...
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(Texas A&M University. Turbomachinery Laboratories, 1994)A wide variety of vibration and failure problems occur in reciprocating machinery and piping systems. Excessive piping vibration problems usually occur when a mechanical natural frequency of the piping system or compressor ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)Recent advances in camera technology allows the user to detect subtle motion and amplify that motion to a level visible with the naked eye. Furthermore displacements, phase and frequency of motions can all be determined ...
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(Texas A&M University. Turbomachinery Laboratories, 2009)Energizing research and development on pumps in today’s emerging global and environmental context is envisioned as a major feature of the pump industry in the next quarter century. The mission for how to realize this vision ...
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(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1986)The visual study of cavitation in pumping machinery now plays an important role in its development-particularly where high stage energies are concerned. The incomplete picture provided by traditional head decay tests is ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)Electrical submersible pumps are assembled in oil wells to act as artificial lift methods. When water is present in the reservoir, oil-water emulsions are formed in the pump. These two-phase mixtures affect the performance ...
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(Turbomachinery Laboratory, Texas A&M University, 2010)Barrios (2007) conducted an experimental work in which was demonstrated that the two-phase stage performance of an electrical submersible pump (ESP) is related to the impeller gas and liquid flow pattern as mentioned by ...
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(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 ...
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(Texas A&M University. Turbomachinery Laboratories, 2013)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 ...
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(Texas A&M University. Turbomachinery Laboratories, 2010)To satisfy API standard 617 (2002) stability requirements, the design of centrifugal compressors must be analyzed against the Level 1 screening criteria for self-excited subsynchronous instability of the rotor lateral ...
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(Texas A&M University. Turbomachinery Laboratories, 1988)Ever since steam turbines have been built, contamination of the lube oil by water has been a persistent problem. Water contamination will result in rusting of ferrous components, accelerate sludging leading to sticking of ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)This tutorial provides guidance to help understand the causes, and to prevent or mitigate the effects of water hammer, or fluid transients, in piping and pipeline systems. The text of this paper is based on early drafts ...
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(Texas A&M University. Turbomachinery Laboratories, 2007)