Texas A&M Engineering Experiment Station: Recent submissions
Now showing items 61-80 of 8496
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021) During the mechanical running test of a HP centrifugal compressor, the rotorexperienced a sudden increase of the radial vibrations During run-down thecompressor experienced a trip and high vibrations were recorded ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Recent incident reports and studies indicate that dry gas seals are responsible for only 39% of compressor shut downs and are themost reliable sealing solution However, if the dry gas seal fails the costs can be very high ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Reciprocating compressor is often used in the field of gas compression industry and generates harmonic torque excitation in adriveline The objective of this paper is to simulate the dynamic torsional vibrations by considering ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Industrial gas turbines have performance characteristics that distinctly depend on ambient and operating conditions Application of these gas turbines, as well as the control and condition monitoring, require to consider ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Many compressor failures occur during transient operating conditions These failures can be prevented or minimized by having agood machinery condition monitoring program, a good machinery protection system and good maintenance ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)In addition to the conventional analysis to identify system torsional natural frequencies for rotating machinery train, there may be arequirement to perform transient analysis if the system will be exposed to transient ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Understanding the lateral rotordynamic behavior is critical indetermining the reliability/operability of rotating equipmentWhether examining a centrifugal pump or compressor, steam orgas turbine, motor or generator, rotating ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Multiphase Pumps have demonstrated their capability to operate successfully in pumping the product extremes, means 100%liquid up to 100% gas, as well as solids This duty is difficult for a pump and thus even more difficult ...
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T05: Methods to Effectively Evaluate Modern Journal Bearing Performance and Achieve High Reliability (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Centrifugal compressors and steam turbines commonly use hydrodynamic journal bearings These bearings can be fixed geometry(sleeve) or tilting pad type Most end users expect bearings to operate trouble free from major ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)The oil and gas business requires gas compression for a number of distinctly different applications, such as transmission, storage,gas gathering and export compression, enhanced oil recovery, recycle compression and ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Rotating machinery relies on engineered tilting-pad journal bearings (TPJB) to provide static load support with minimal drag power losses, relatively low pad temperatures, and ensuring a rotor dynamic stable operation End ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Two mission critical electric motor driven BFW (Boiler Feed Water) pumps installed in remote site, facedcontinuous failures of rotor-stator seizures during commissioning and start up of Sulfur recovery units -Pumps had to ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Experiencing a spurious trip of a turbomachinery train due to an unreliable or faulty instrument or control system can be a very costlyand frustrating experience Nevertheless, a commonly overlooked area within turbomachinery ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Acoustic resonance can develop within the hydraulic channels of the pump, especially in the long crossover channel of a multistagecentrifugal pump This phenomenon occurs when the hydraulic channel length is equal to the ...
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L09: Development and Application of Very High Flow Coverd Stages for Process Centrifugal Compressors (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)The present work describes the development and application of a family of very high flow (VHF) stages with nominal design flow coefficient of 024 and moderate to high Machine Mach Number (Mu) of 088 The design is essentially ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Many gas compressor stations use multiple gas turbine driven centrifugal compressors and the units may not beidentical For connected systems, such as pipelines, or gas field operations, compressors of several compressorstations, ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Standard centrifugal compressors (CC) are designed to process dry gas or gas mixed with negligible amount of liquid Significantliquid content, namely liquid mass fraction (LMF) up to 30%, yield to rapid mechanical deterioration ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Test results are presented and compared for the following annular pump seal geometries: (a) a smooth-rotor/circumferentially-grooved stator (SR/GS) and (b) a smooth-stator/circumferentially-grooved rotor (GR/SS) The GR/SS ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)This paper will explore the development of a new annular sealwear component design for use in centrifugal pumps Thedesign uses a pattern of holes (or perforations) machinedthrough a composite material wear component The ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)In the turbomachinery applications, the geared transmission equipment are among the most affected bythe lube oil characteristics and properties In a gear system the oil is used in the fluid-dynamic bearings,journal and ...