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Effect of Selective Modification of Turbulence on Two-Equation Models for Particle-Laden Turbulent Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of selective modification of turbulence by particles on K–ε models for dilute two-phase flows has been evaluated using data from direct numerical simulation of particle-laden isotropic ...
Discussion: “Turbulent Flow Over a Plane Symmetric Sudden Expansion” (Smyth, R., 1979, ASME J. Fluids Eng., 101, pp. 348–353)
Publisher: The American Society of Mechanical Engineers (ASME)
An LDA Study of the Backward-Facing Step Flow, Including the Effects of Velocity Bias
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The subsonic, backward-facing step flow was studied experimentally to provide structural information and test data for modelers. A single-component laser-Doppler anemometer was the primary measurement ...
Heat Transfer on a Flat Surface Under a Region of Turbulent Separation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fluid dynamics and heat transfer measurements were performed for a separation bubble formed on a smooth, flat, constant-heat-flux plate. The separation was induced by an adverse pressure gradient ...
A New Probe for Measurement of Velocity and Wall Shear Stress in Unsteady, Reversing Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Separated turbulent flows exhibit instantaneous reversals of flow direction which make measurement of the velocity field extremely difficult. A three-wire heat-tracer technique has been employed ...
Inverse Design of and Experimental Measurements in a Double-Passage Transonic Turbine Cascade Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new transonic turbine cascade model that accurately produces infinite cascade flow conditions with minimal compressor requirements is presented. An inverse design procedure using the Favre-averaged ...
A Wall-Flow-Direction Probe for Use in Separating and Reattaching Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The measurement of the exceedingly unsteady behavior of nominally two-dimensional, turbulent flows in regions of separation and reattachment is facilitated by the development of a new instrument; ...
Rough Wall Modification of Two-Layer k−ε
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A formulation is developed to apply the two-layer k−ε model to rough surfaces. The approach involves modifying the lν formula and the boundary condition on k. A hydrodynamic roughness length ...
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