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Now showing items 731-740 of 754
An End-User's Guide to Centrifugal Pump Rotordynamics
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
This tutorial outlines the basics of pump rotordynamics in a form that is intended to be Machinery End User friendly. Key concepts will be defined in understandable terms, and analysis and testing options will be presented ...
CS04: Mitigation of perennial seizure of boiler feed water pumps during commissioning of refinery unit
(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 ...
L06: Development of Perforated Wear Component Design for Centrifugal Pumps
(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 ...
T01: Instrumentation & Control Machinery Robustness Improvements against Spurious Trips
(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 ...
High Temperature Sealing Advancements Utilizing Non-Contacting Gas Seal Technology
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Non-contacting dual pressurized gas lubricated seals for use in pumps have been in service since the early 1990’s. The application of these seal designs has expanded over time into very high temperature applications up to ...
CS09: Investigation and Resolution of Frequent Pulsation Dampener Bladder Failures of Condensate Export Reciprocating Diaphragm Pumps Causing High Vibration and Loss of Primary Containment
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Unusual and repeated bladder ruptures of pulsation dampeners installed on two units ofCondensate Export Triplex Double Diaphragm Reciprocating Pumps and two units of GlycolCirculation Triplex Plunger Pumps had caused a ...
TB20: On The Experimental Static and Dynamic Load Performance of a Water Lubricated Hybrid Thrust Bearing
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Fluid film thrust bearings (TBs) carry axial loads and control the position of rotating machinery thus enabling tight clearances forthe efficient aerodynamic operation of impellers in pumps and compressors Prediction of ...
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 ...
L11: Compressor Station Optimization
(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, ...
CS02: Investigation and safe resolution of using instrument air as separation medium for Dry Gas Seals
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
During the independent Asset Integrity Review (i-AIR) audit conducted on one of theoffshore production facility, use of instrument air as separation medium for separation sealof the process gas booster compressors Dry Gas ...