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Now showing items 121-130 of 264
BEARING LOAD ANALYSIS OF RECIPROCATING PISTON COMPRESSORS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Many problems in today’s industrial environment require smart modeling assumptions in order to make them numerically accessible with an acceptable amount of effort. This case study shows how a field problem (main bearing ...
Additive Manufacturing of Cryogenic Pump Impellers
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Additive manufacturing has been utilized in an increasing number of applications for many different types of services. Cryogenic pump impellers can be manufactured to ASTM F3318 for AlSi10Mg in the HIP + T6 condition through ...
High Speed Coupling Failure related to Torsional Vibration
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
This case study presents compressor high speed coupling failure where torsional natural frequency is excited. The case study examines a repeat high speed coupling failure that excited 2�ᵈ torsional natural frequency ...
Detection of Broken Blade on Compressor
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
A sudden step change in vibration was observed on a 7400 rpm compressor with direct amplitude from 43 um pp to over 62 um pp (trip level) at NDE, thus tripping the unit Vibration reached over 120 um pp at 4000 rpm, compared ...
A comparison of Operating Deflection Shape and Motion Amplification Video Techniques for Vibration Analysis
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
The Operating Deflection Shape (ODS) technique that was derived from Experimental Modal Analysis has served well to assist users in quantifying vibration amplitudes, determining vibration mode shapes, looseness between ...
Case Study on Investigation and Resolution of High Lube Oil Pump Bearing Temperature for Off Spec. Condensate Recycle Pumps
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Off Spec Condensate Recycle Pumps on an onshore gas production facility exhibited high lube oil temperature in pump bearing housing that exceeded the alert limits since commissioning. A Structured Root Cause Analysis was ...
ANNULAR CLEARANCE GAS SEALS: MODELS AND MEASUREMENTS FOR LEAKAGE, FORCE COEFFICIENTS AND THEIR EFFECT ON ROTOR STABILITY
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Turbomachinery seals are engineered to maintain efficiency and power delivery by minimizing leakage. Seals also appreciably affect the system rotordynamic behavior due to their relative position within a turbomachine. The ...
Key Differences between Steam Turbines and Electric Motors as Main Compressor Driver in Olefins Plants
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
This study starts by presenting a typical ethylene plant which will act as the ‘base plant’ for this case study. Then, a ‘low�emission’ ethylene plant is introduced which employs a new cracker technology having ...
Application of Polycrystalline Diamond (PCD) Bearing for Reactor Circulation Pump
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
The axial flow loop reactor pump installed in a polymer unit facilitates slurry circulation in the reactor. The pump is installed with triple mechanical seal having API seal flushing plans 32, 53C and 52. The seal cartridge ...
Implementation of Voted Flame Detectors to Prevent Spurious Fire Detection in Gas Turbines Enclosures.
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Fire detection inside Gas Turbine enclosures is a safety critical component to prevent unwanted consequences should a fire occur within the enclosure. The standard design and implementation strategy remains by and large ...