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RISConvective Heat Transfer and Aerodynamics in Axial Flow Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The primary focus of this paper is convective heat transfer in axial flow turbines. Research activity involving heat transfer generally separates into two related areas: predictions and measurements. ...
Heat-Transfer Measurements and Predictions for the Vane and Blade of a Rotating High-Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes heat-transfer measurements and predictions obtained for the vane and blade of a rotating high-pressure turbine stage. The measurements were obtained with the stage operating ...
Experimental Results From Controlled Blade Tip/Shroud Rubs at Engine Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental results obtained for an Inconel® compressor blade rubbing a steel casing at engine speed are described. Load cell, strain gauge, and accelerometer measurements are discussed and ...
Relationship Between Mechanical Properties and Collagen Structure of Closed and Open Wounds
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical properties and collagen structure of excisional wounds left open are compared with wounds closed by clips. In both wound models, collagen fiber diameter increases with time post-wounding ...
Casing Treatment and Blade-Tip Configuration Effects on Controlled Gas Turbine Blade Tip/Shroud Rubs at Engine Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental results obtained for an Inconel® compressor blade rubbing bare-steel and treated casings at engine speed are described. Since 2002 a number of experiments were conducted to ...
Temperature Predictions and Comparison With Measurements for the Blade Leading Edge and Platform of a 1 1/2 Stage Transonic HP Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A series of computational predictions generated using FINE/TURBO are compared with data to investigate implementation techniques available for predicting temperature migration through a turbine ...
Investigation of Turbine Shroud Distortions on the Aerodynamics of a One and One-Half Stage High-Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As part of a proactive effort to investigate the ability of computational fluid dynamics tools to predict time-accurate surface-pressure histories, a combined experimental/computational investigation ...
Averaged and Time-Dependent Aerodynamics of a High Pressure Turbine Blade Tip Cavity and Stationary Shroud: Comparison of Computational and Experimental Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The unsteady aero-dynamics of a single-stage high-pressure turbine blade operating at design corrected conditions has been the subject of a thorough study involving detailed measurements and ...
Development of an Experimental Capability to Produce Controlled Blade Tip∕Shroud Rubs at Engine Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental capability using an in-ground spin-pit facility specifically designed to investigate aeromechanic phenomena for gas turbine engine hardware rotating at engine speed is demonstrated ...
Aerodynamic and Heat-flux Measurements with Predictions on a Modern One and One-Half State High Pressure transonic Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aerodynamic and heat-transfer measurements were acquired using a modern stage and 1∕2 high-pressure turbine operating at design corrected conditions and pressure ratio. These measurements were ...