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Revamp/Re-Rate Design Considerations
(Texas A&M University. Turbomachinery Laboratories, 2013)
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 ...
Buying / Selling Serial #1
(Texas A&M University. Turbomachinery Laboratories, 2011)
The machinery utilized in the Oil and Gas Industry, (Upstream, Midstream and Downstream) is undergoing very significant changes. In the past years, the use of new designs or prototype machinery was strongly discouraged. ...
Range Vs. Efficiency—Striking The Proper Balance
(Texas A&M University. Turbomachinery Laboratories, 2011)
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 ...
Centrifugal Stage Performance Prediction And Validation For High Mach Number Applications
(Texas A&M University. Turbomachinery Laboratories, 2012)
Centrifugal compressors used for process applications like Liquefied Natural Gas (LNG) plants require operation at high machine Mach numbers (>1) due to the heavy gas and reduced footprint requirements. Performance guarantees ...
Full-Scale Aerodynamic And Rotordynamic Testing For Large Centrifugal Compressors.
(Texas A&M University. Turbomachinery Laboratories, 2009)
This paper describes a full-scale, flexible test vehicle designed and built by the original equipment manufacturer (OEM) to validate the aerodynamic and mechanical performance of large compressors for a variety of applications. ...
Centrifugal Compressor Evolution
(Texas A&M University. Turbomachinery Laboratories, 2010)
This paper 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 ...
Centrifugal Compressor Performance Enhancement Through The Use Of A Single Stage Development Rig.
(Texas A&M University. Turbomachinery Laboratories, 1991)
Despite recent advances in computation fluid dynamics, the complex flows through centrifugal compressor components are still not totally understood. These uncertainties detract from the designer's ability to accurately ...
A Review of Aerodynamically Induced Forces Acting on Centrifugal Compressors, and Resulting Vibration Characteristics of Rotors
(Texas A&M University. Turbomachinery Laboratories, 2008)
There are several sources of nonsynchronous 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, diffuser ...
Modeling And Prediction Of Sidestream Inlet Pressure For Multistage Centrifugal Compressors
(Texas A&M University. Turbomachinery Laboratories, 2011)
It is common for some compressors in certain applications to have one or more incoming sidestreams that introduce flow other than at the main inlet to mix with the core flow. In most cases, the pressure levels at these ...
Revamp/Re-Rate Design Considerations
(Texas A&M University. Turbomachinery Laboratories, 2014)
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 ...