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Redesign of High-Lift Low Pressure Turbine Airfoils for Low Speed Testing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Low pressure turbine airfoils of the present generation usually operate at subsonic conditions, with exit Mach numbers of about 0.6. To reduce the costs of experimental programs it can be ...
Numerical Investigation of a Transonic Centrifugal Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional Navier-Stokes solver is used to investigate the flow field of a high-pressure ratio centrifugal compressor for turbocharger applications. Such a compressor consists of a ...
The Impact of Gas Modeling in the Numerical Analysis of a Multistage Gas Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work a numerical investigation of a four stage heavy-duty gas turbine is presented. Fully three-dimensional, multistage, Navier-Stokes analyses are carried out to predict the overall ...
Numerical Analysis of the Vaned Diffuser of a Transonic Centrifugal Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional Navier–Stokes solver is used to investigate the flow field of a high pressure ratio centrifugal compressor for turbocharger applications. Such a compressor consists of a ...
Numerical Investigation of Three-Dimensional Clocking Effects in a Low Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One and a half stages of a low pressure turbine were investigated using a three-dimensional time-accurate viscous solver. Unsteady analyses were carried out by varying the circumferential relative ...
Numerical Investigation of Airfoil Clocking in a Three-Stage Low-Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A quasi-three-dimensional, blade-to-blade, time-accurate, viscous solver was used for a three-stage LP turbine study. Due to the low Reynolds number, transitional computations were performed. Unsteady ...
Calculation of High-Lift Cascades in Low Pressure Turbine Conditions Using a Three-Equation Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-equation model has been applied to the prediction of separation-induced transition in high-lift low-Reynolds-number cascade flows. Classical turbulence models fail to predict accurately ...