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RISInfluence of Free-Stream Turbulence on Boundary Layer Transition in Favorable Pressure Gradients
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Results from an experimental study of large-scale, two-dimensional incompressible transitional boundary layer flows are presented. Tests were conducted on a heated flat wall with a zero pressure ...
Boundary-Layer Transition in Accelerating Flows With Intense Freestream Turbulence: Part 1—Disturbances Upstream of Transition Onset
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hot-wire anemometry was employed to examine the laminar-to-turbulent transition of low-speed, two-dimensional boundary layers for two (moderate) levels of flow acceleration and various levels of ...
Boundary-Layer Transition in Accelerating Flows With Intense Freestream Turbulence: Part 2—The Zone of Intermittent Turbulence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hot-wire anemometry was employed to examine the laminar-to-turbulent transition of low-speed, two-dimensional boundary layers for two (moderate) levels of flow acceleration and various levels of ...
An Experimental Study Heat Transfer in a Large-Scale Turbine Rotor Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study of the heat transfer distribution in a turbine rotor passage was conducted in a large-scale, ambient temperature, rotating turbine model. Heat transfer was measured for ...
The Effects of Turbulence and Stator/Rotor Interactions on Turbine Heat Transfer: Part I—Design Operating Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A combined experimental and analytical program was conducted to examine the effects of inlet turbulence, stator–rotor axial spacing, and relative circumferential spacing of first and second stators ...
The Effects of Turbulence and Stator/Rotor Interactions on Turbine Heat Transfer: Part II—Effects of Reynolds Number and Incidence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Part I of this paper presents airfoil heat transfer data obtained in a rotating turbine model at its design rotor incidence. This portion of the paper presents heat transfer data obtained in ...
Development of a Large-Scale Wind Tunnel for the Simulation of Turbomachinery Airfoil Boundary Layers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The procedures employed for the design of a closed-circuit, boundary layer wind tunnel are described. The tunnel was designed for the generation of large-scale, two-dimensional boundary layers ...
An Experimental Investigation of Film Cooling on a Turbine Rotor Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling has been studied on the rotor blade of a large scale (low speed) model of a high pressure turbine first stage. Film coolant was discharged from single holes on the pressure and ...
Effect of Streamline Curvature on Film Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of streamline curvature on film cooling effectiveness are discussed. Experiments for air discharged through a slot and into a turbulent boundary layer along a flat, convex, and ...
An Experimental Study of Endwall and Airfoil Surface Heat Transfer in a Large Scale Turbine Blade Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Local rates of heat transfer on the endwall, suction, and pressure surfaces of a large scale turbine blade cascade were measured for two inlet boundary layer thicknesses and for a Reynolds ...