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The Dynamics of the Horseshoe Vortex and Associated Endwall Heat Transfer—Part II: Time-Mean Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Time-mean endwall heat transfer and flow-field data in the endwall region are presented for a turbulent juncture flow formed with a symmetric bluff body. The experimental technique employed ...
Predicting Transition in Turbomachinery—Part I: A Review and New Model Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Here we report on an effort to include an empirically based transition modeling capability in a Reynolds Averaged Navier-Stokes solver. Well known empirical models for both attached- and ...
The Dynamics of the Horseshoe Vortex and Associated Endwall Heat Transfer—Part I: Temporal Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Instantaneous flow topology and the associated endwall heat transfer in the leading-edge endwall region of a symmetric airfoil are presented. An experimental technique was employed that allowed ...
Measurements of Losses and Reynolds Stresses in the Secondary Flow Downstream of a Low-Speed Linear Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental measurements of the mean and turbulent flow field were preformed downstream of a low-speed linear turbine cascade. The influence of turbulence on the production of secondary losses ...
Effects of an Upstream Cavity on the Secondary Flow in a Transonic Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines experimentally the effects of an upstream cavity on the flow structures and secondary losses in a transonic linear turbine cascade. The cavity approximates the endwall geometry ...
Measurements of Secondary Losses in a Turbine Cascade With the Implementation of Nonaxisymmetric Endwall Contouring
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approach to endwall contouring has been developed with the goal of reducing secondary losses in highly loaded axial flow turbines. The present paper describes an experimental assessment of ...
Predicting Transition in Turbomachinery—Part II: Model Validation and Benchmarking
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ability to predict boundary layer transition locations accurately on turbomachinery airfoils is critical both to evaluate aerodynamic performance and to predict local heat-transfer coefficients ...
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