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A PRACTICAL GUIDE TO UNDERSTANDING LATERAL ROTORDYNAMIC ANALYSIS TO HELP IDENTIFY AND SOLVE VIBRATION PROBLEMS IN TURBOMACHINERY
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The primary purpose of performing a lateral rotordynamic analysis for centrifugal compressors, steam turbines and other rotating machines is to ensure that there are no undesirable rotor/bearing performance issues that ...
Modern Methods to Detect Degradation in Centrifugal Compressor Performance and Use of Thermodynamic Performance Modelling to Identify Causes
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Detecting degradation in centrifugal compressor thermodynamic performance can be challenging. Machines can operate at different inlet and discharge conditions, different inlet guide vane positions, different speeds and ...
Vibration Spike During Start up of an Integrally Geared Compressor
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 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. ...
METHODS TO EFFECTIVELY EVALUATE MODERN JOURNAL BEARING PERFORMANCE AND ACHIEVE HIGH RELIABILITY
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
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 ...
Modern Methods to Detect Degradation in Centrifugal Compressor Performance and Use of Thermodynamic Performance Modelling to Identify Causes
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
Detecting degradation in centrifugal compressor thermodynamic performance can be challenging. Machines can operate at different inlet and discharge conditions, different inlet guide vane positions, different speeds and ...