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RISAnalysis and Optimization of Transonic Centrifugal Compressor Impellers Using the Design of Experiments Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The turbomachine industry is increasingly interested in developing automated design procedures that are able to summarize current design experience, to take into account manufacturing limitations ...
Calculation of Steady and Periodic Unsteady Blade Surface Heat Transfer in Separated Transitional Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, aerothermal investigations of a highly loaded HP turbine blade are presented. The purpose of such investigations is to improve the physical understanding of the heat transfer in ...
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 ...
A Redesign Strategy to Improve the Efficiency of a 17-Stage Steam Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional Reynolds averaged Navier–Stokes solver was applied to the aerodynamic redesigning of a 17-stage steam turbine. The redesign procedure was divided into three steps. In the first ...
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 ...
Bowl-Type Diffusers for Low Specific-Speed Pumps: An Industrial Application
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the aerodynamic design of a bowl-type diffuser for a low specific-speed pump is presented and described in detail. The main goal was to achieve an optimal configuration in terms ...