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Now showing items 61-70 of 115
Centrifugal Compressor Evolution
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This tutorial addresses the advancements that have been made during the past 50 years in the design, analysis, and manufacturing methods for centrifugal compressors. The paper provides a historical perspective on these ...
Multidisciplinary Approach to Failure Analysis of Turbomachinery Components
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This tutorial session is intended to provide insights into the failure analysis approach taken by authors for various components across different types of turbomachinery, such as steam turbines, axial and centrifugal ...
Bearings for Oil-Free Rotating Machinery
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
The short course provides practicing engineers with a comprehensive review of existing gas bearing technologies including their principle of operation, analysis and experimental verification, comparison amongst other gas ...
A Review of the Critical Design Parameters for Labyrinth Type Separation Seals on Dry-gas-seals
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
An ethylene compressor experienced a dry-gas-seal (DGS) hang-up condition and a RCA concluded that a possible root- or contributing cause is lube oil passing the labyrinth type separation seal into the secondary DGS cavity, ...
Gas Seal Failures Caused by Axial Vibrations
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This case study describes the root cause investigation of 12 dry gas seal failures in three integrally geared centrifugal compressors over a period of 12 years. These compressors are in fuel gas booster service, supplying ...
Analysis and Countermeasures for Sideband of Gear Mesh Frequency(GMF) Induced by Shaft Fretting Corrosion in a Gearbox
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
CS deals with trouble shooting and solving a chronic fretting corrosion damage b/w a gear and shaft (shrink fit). The damage on the geared shaft always accompanied by an increase in the amplitude and frequency side bands ...
Steam Turbine with 0.9X Vibrations
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This 15 MW steam turbine/gearbox/4-pole generator train, following a recent overhaul, was showing unusual phenomenon of high level 0.9X vibration during shutdown, as well as power limits due to vibration level increase. ...
Investigation and Resolution of Governing Valve Linkage Failure for Compressor Drive Steam Turbine
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Fatigue failure of Governing Valve Linkage Rod end bearing and wear marks on several parts was observed on a extraction steam turbine (driving a centrifugal compressor) after it was in service for more than 9 year. The top ...
Cryogenic Fluid Pumping Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Calculating efficiency, power & considerations
Condition monitoring
Cryogenic pump system components
Accessories to cryogenic pump systems
Shaft supports: bushings, bearings
Rotordynamics
Balance requirements ...
Compressor Startup Flaring Avoidance Design Methodology
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This case study outlines the methodology used to avoid the flaring of refrigerant inventory during the startup of a 3-section refrigeration compressor used in LPG chilling service. S&B Engineers and Constructors (S&B) and ...