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RISHeat Transfer and Fluid Mechanics Measurements in Transitional Boundary Layers on Convex-Curved Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of the effects of convex curvature and free-stream turbulence on momentum and heat transfer in a boundary layer undergoing natural transition was performed. The test ...
Measurements of the Turbulent Transport of Heat and Momentum in Convexly Curved Boundary Layers: Effects of Curvature, Recovery and Free-Stream Turbulence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of streamwise convex curvature, recovery, and free-stream turbulence intensity on the turbulent transport of heat and momentum in a mature turbulent boundary layer are investigated. ...
Differentiation of Human Motion Data Using Combined Spline and Least Squares Concepts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A differentiation method, which combines the concepts of least squares and splines, has been developed to analyze human motion data. This data smoothing technique is not dependent on a choice ...
Heat Transfer Measurements in a First-Stage Nozzle Cascade Having Endwall Contouring: Misalignment and Leakage Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work supports new gas turbine designs for improved performance by evaluating endwall heat transfer rates in a cascade that is representative of a first-stage stator passage and incorporates ...
Hydrodynamic and Thermal Measurements in a Turbulent Boundary Layer Recovering From Concave Curvature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of a boundary layer on a flat wall downstream of sustained concave curvature is documented. Experiments are conducted with negligible streamwise pressure gradient and a low free-stream ...
Effects of Free-Stream Turbulence Intensity on a Boundary Layer Recovering From Concave Curvature Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments are conducted on a flat recovery wall downstream of sustained concave curvature in the presence of high free-stream turbulence (TI ∼ 8%). This flow simulates some of the features ...
An Application of Octant Analysis to Turbulent and Transitional Flow Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A technique called “octant analysis” was used to examine the eddy structure of turbulent and transitional heated boundary layers on flat and curved surfaces. The intent was to identify important ...
Fluid Mechanics and Heat Transfer Measurements in Transitional Boundary Layers Conditionally Sampled on Intermittency
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of transition on a flat-plate boundary layer was performed. Mean and turbulence quantities, including turbulent heat flux, were sampled according to the intermittency ...
Bypass Transition in Boundary Layers Including Curvature and Favorable Pressure Gradient Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent experimental studies of two-dimensional boundary layers undergoing bypass transition have been reviewed to attempt to characterize the effects of free-stream turbulence level, acceleration, ...
Turbulence Spectra and Length Scales Measured in Film Coolant Flows Emerging From Discrete Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To date, very little attention has been devoted to the scales and turbulence energy spectra of coolant exiting from film cooling holes. Length-scale documentation and spectral measurements have ...