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RISSimulation of Trailing Edge Vortex Shedding in a Transonic Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Midspan losses in the NRC transonic turbine cascade peak at an exit Mach number (M2 ) of ~1.0 and then decrease by ~40 percent as M2 is increased to the design value of 1.16. Since recent ...
Aerodynamic Performance of a Transonic Low Aspect Ratio Turbine Nozzle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents detailed information on the three-dimensional flow field in a realistic turbine nozzle with an aspect ratio of 0.65 and a turning angle of 76 deg. The nozzle has been ...
On Vortex Formation in the Wake Flows of Transonic Turbine Blades and Oscillating Airfoils
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper demonstrates similarities between the vortex shedding from blunt trailing-edge transonic turbine nozzle blades and from oscillating airfoils and bluff bodies. Under subsonic conditions ...
Measurement and Computation of Energy Separation in the Vortical Wake Flow of a Turbine Nozzle Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the observation, measurement, and computation of vortex shedding behind a cascade of turbine nozzle guide vanes that have a blunt trailing edge. At subsonic discharge speeds, ...