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RISOn the Combined Effect on Operating Range of Adjustable Inlet Guide Vanes and Variable Speed in Process Multistage Centrifugal Compressors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Adjustable inlet guide vanes (IGVs) and variable speed drivers are known as providing process compressors with an effective regulation all throughout the operating envelope of the machine. A large amount of work exists in ...
Special Challenges in the Computational Fluid Dynamics Modeling of Transonic Turbo Expanders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High pressure ratio turboexpanders often put a strain on computational fluid dynamics (CFD) modeling. First of all, the working fluid is usually characterized by significant departures from the ideal behavior, thus requiring ...
Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The growing penetration of renewables calls for power generation and mechanical drive gas turbine (GT) capable of quickly adjusting production and operate at part load. Aero-derivative engine architectures leverage the ...
Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a coupled experimental and computational fluid dynamics (CFD) campaign conducted on a 1.5 intermediate turbine stage in the full range of operating conditions, from start-up to design point under ...