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TT06 - Revamp/Re-rate Design Considerations
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, [2019])
This tutorial paper describes the mechanical and aerodynamic factors that must be considered when revamping, re-rating or upgrading a centrifugal compressor. The possible motivations for choosing to revamp existing ...
TL10 - A Comparison of Type 1 Versus Type 2 Testing--Recent Experiences Testing a High-pressure, Re-injection Compressor
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, [2019])
End users and Original Equipment Manufacturers (OEMs) are faced with decisions regarding that type of performance testing they will require to demonstrate that centrifugal compressors will meet the agreed-upon requirements. ...
TT11 - Range Versus Efficiency--Striking the Proper Balance
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, [2019])
The paper addresses the balance between peak attainable efficiency and overall operating range that must be addressed when specifying, designing and/or selecting centrifugal compressors. The relative roles of the various ...
A REVIEW OF AERODYNAMICALLY INDUCED FORCES ACTING ON CENTRIFUGAL COMPRESSORS, AND RESULTING VIBRATION CHARACTERISTICS OF ROTORS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
There are several sources of non-synchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, ...
RECENT TEST EXPERIENCES WITH APPLYING MULTIPLE UNSHROUDED IMPELLERS IN A SINGLE-SHAFT COMPRESSOR
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The use of unshrouded impellers to increase the pressure ratio and volume reduction achieved in low mole weight, single-shaft compressor applications is discussed. The aerodynamic and mechanical implications of using ...
IMPELLER MANUFACTURING – UNDERSTANDING THE METHODS & THEIR IMPACT ON PERFORMANCE
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This tutorial provides an overview of the manufacturing processes used to build centrifugal compressor impellers and how the various processes can impact the performance of these critically important components. Comments ...
FACTORS INFLUENCING THE ACCURACY OF TURBOMACHINERY AERODYNAMIC PERFORMANCE PREDICTIONS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This tutorial delves into the factors that impact the accuracy of turbomachinery performance predictions. The discussion is broken down into three parts… the influence of engineering tools / procedures, the impact of the ...
A REVIEW OF AERODYNAMICALLY INDUCED FORCES ACTING ON CENTRIFUGAL COMPRESSORS, AND RESULTING VIBRATION CHARACTERISTICS OF ROTORS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
There are several sources of non-synchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, ...
IMPELLER MANUFACTURING – UNDERSTANDING THE METHODS & THEIR IMPACT ON PERFORMANCE
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
This tutorial provides an overview of the manufacturing processes used to build centrifugal compressor impellers and how the various processes can impact the performance of these critically important components. Comments ...
Factors Influencing the Accuracy of Turbomachinery Aerodynamic Performance Predictions
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
This tutorial delves into the factors that impact the accuracy of turbomachinery performance predictions. The discussion is broken down into three parts… the influence of engineering tools / procedures, the impact of the ...