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RISHistory of Short Duration Measurement Programs Related to Gas Turbine Heat Transfer, Aerodynamics, and Aeroperformance at Calspan and The Ohio State University
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Shortduration facilities have been used for the past 35 years to obtain measurements of heat transfer, aerodynamic loading, vibratory response, filmcooling influence, purge flow migration, and aeroperformance for fullstage, ...
Comparison of the Sensitivity to Foreign Particle Ingestion of the GE F101 and P/W F100 Engines to Modern Aircraft Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The work described in this paper utilizes dust ingestion experimental results obtained using three Pratt/Whitney F100, two GE F101, one Pratt/Whitney J57, and three Pratt/Whitney TF33 military engines and two different ...
An Investigation of Coolant Within Serpentine Passages of a High-Pressure Axial Gas Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cooling flow behavior is investigated within the multiple serpentine passages with turbulators on the leading and trailing walls of an axial gas turbine blade operating at design-corrected conditions with accurate external ...
Time Averaged and Time Accurate Aerodynamic Effects of Rotor Purge Flow for a Modern, One and One Half Stage High Pressure Turbine—Part II: Analytical Flow Field Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The detailed mechanisms of purge flow interaction with the hotgas flow path were investigated using both unsteady computationally fluid dynamics (CFD) and measurements for a turbine operating at design corrected conditions. ...
Time Averaged and Time Accurate Aerodynamic Effects of Forward Rotor Cavity Purge Flow for a High Pressure Turbine—Part I: Analytical and Experimental Comparisons
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of rotor purge flow on the unsteady aerodynamics of a highpressure turbine stage operating at design corrected conditions has been investigated, both experimentally and computationally. The experimental configuration ...
Comparison of Harmonic and Time Marching Unsteady Computational Fluid Dynamics Solutions With Measurements for a Single Stage High Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The unsteady aerodynamics of a singlestage highpressure turbine has been the subject of a study involving detailed measurements and computations. Data and predictions for this experiment have been presented previously, but ...
Heat Flux Measurements for a Realistic Cooling Hole Pattern With Multiple Flow Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Predicting cooling flow migration and its impact on surface heat flux for a turbine operating at designcorrected conditions is a challenging task. While recent data sets have provided a baseline for comparison, they have ...
Heat Transfer for High Aspect Ratio Rectangular Channels in a Stationary Serpentine Passage With Turbulated and Smooth Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat transfer distributions are presented for a stationary three passage serpentine internal cooling channel for a range of engine representative Reynolds numbers. The spacing between the sidewalls of the serpentine passage ...
Aeroperformance Measurements for a Fully Cooled High Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A detailed aero performance measurement program utilizing fully cooled engine hardware (highpressure turbine stage) supplied by Honeywell Aerospace Advanced Technology Engines is described. The primary focus of this work ...