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RISNumerical Simulation of Aerodynamic Instabilities in a Multistage High Speed High Pressure Compressor on Its Test Rig—Part I: Rotating Stall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aerodynamic instabilities such as stall and surge may lead to mechanical failures. They can be avoided by better understanding and accurate prediction of the associated flow phenomena. Numerical simulations of rotating ...
Large Eddy Simulation and Conjugate Heat Transfer Around a Low Mach Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Determination of heat loads is a key issue in the design of gas turbines. In order to optimize the cooling, an exact knowledge of the heat flux and temperature distributions on the airfoils surface is necessary. Heat ...
Effects of Subgrid Scale Modeling on the Deterministic and Stochastic Turbulent Energetic Distribution in Large Eddy Simulations of a High Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focuses on the enginerepresentative MT1 transonic highpressure turbine. Simulated by use of wallmodeled largeeddy simulations (LES) with three different subgrid scale (SGS) closures, mean pressure profiles across ...
Aerodynamic Study of a Tricycle Wheel Subsystem for Drag Reduction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper deals with a computational fluid dynamics (CFD) and experimental drag analysis on an isolated rotating wheel subsystem (including its accessories: tire, suspension, Aarms, and fender) of a motor tricycle vehicle ...
Assessment of the Indirect Combustion Noise Generated in a Transonic High Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Indirect combustion noise, generated by the acceleration and distortion of entropy waves through the turbine stages, has been shown to be the dominant noise source of gas turbines at lowfrequencies and to impact the ...