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RISEffects of Part-to-Part Flow Variations on Overall Effectiveness and Life of Rotating Turbine Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As firing temperatures in gas turbine engines continue to increase to achieve high efficiencies, components in the main gas path must be protected with cooling flows to ensure lifing targets are met. Manufacturing variations, ...
Heat Transfer for the Film Cooled Vane of a 1 1/2 Stage High Pressure Transonic Turbine—Part II: Effect of Cooling Variation on the Vane Airfoil and Inner End Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The impact of film cooling on heat transfer is investigated for the highpressure vane of a 11/2 stage highpressure turbine operating at design corrected conditions. Cooling is supplied through three independently controllable ...
Heat Transfer for the Film Cooled Vane of a 1 1/2 Stage High Pressure Transonic Turbine—Part I: Experimental Configuration and Data Review With Inlet Temperature Profile Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the vane airfoil and inner endwall heat transfer for a fullscale turbine stage operating at design corrected conditions under the influence of different vane inlet temperature profiles and vane ...
Acquisition and Processing Considerations for Infrared Images of Rotating Turbine Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As designers aim to increase efficiency in gas turbines for aircraft propulsion and power generation, spatially resolved experimental measurements are needed to validate computational models and compare improvement gains ...
Comparison of Thin Film Heat Flux Gauge Technologies Emphasizing Continuous-Duration Operation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thin-film heat flux gauges (HFGs) have been used for decades to measure surface temperatures and heat flux in test turbines with the majority being used in facilities that are short-duration. These gauges are typically ...