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RISHeat Transfer Coefficients and Film Cooling Effectiveness on the Endwall of a Transonic Turbine Vane Measured With the Reference Luminophore of Binary Pressure-Sensitive Paint
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling is a key technique used to reduce heat transfer from hot combustion gases to stationary and rotating components in a gas turbine engine. In high-performance engines, the endwall experiences high heat gains due ...
Film-Cooling Performance Comparison of Blade Tips With a Trailing Edge, Pressure Side Cutback, or a Suction Side Squealer in a Transonic Linear Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film-cooling effectiveness and leakage flow play crucial roles in turbine blade heat transfer. In contrast to the conventional trailing edge cutback squealer blade tip (CB tip), this study aims to compare the film-cooling ...
Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling was measured on the endwall of a five-vane annular cascade in a blowdown wind tunnel at an exit Mach number of 0.9. The adiabatic film cooling effectiveness was calculated from the partial pressure of oxygen ...