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Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part I: Showerhead Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The goal of this study was to determine how showerhead blowing on a turbine vane leading edge affects of the performance of film cooling jets farther downstream. An emphasis was placed on ...
Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part II: Turbulence Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focused on the film cooling performance on the pressure side of a turbine vane subjected to high mainstream turbulence levels, with and without showerhead blowing. Whereas previous ...
Thermal Field and Flow Visualization Within the Stagnation Region of a Film-Cooled Turbine Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To develop quality computational codes for the film cooling of a turbine vane, a detailed understanding is needed of the physical mechanisms of the mainstream-coolant interactions. In this study ...
Experimental Methods for Hydrodynamic Characterization of a Very Large Water Tunnel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The methodology for hydrodynamic characterization of a very large water tunnel is described. Results are presented for the U. S. Navy William B. Morgan Large Cavitation Channel in Memphis, ...
Scaling of Performance for Varying Density Ratio Coolants on an Airfoil With Strong Curvature and Pressure Gradient Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study was conducted to investigate the film cooling performance on the suction side of a first-stage turbine vane. Tests were conducted on a nine times scale vane model at ...
Three Component Velocity Field Measurements in the Stagnation Region of a Film Cooled Turbine Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The showerhead region of a film-cooled turbine vane in a gas turbine engine involves a complex interaction between mainstream flow and coolant jets. This flow field was studied using three ...