Journal of Fluids Engineering: Recent submissions
Now showing items 6321-6340 of 9024
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Prediction of Turbulent Boundary Layers With a Second-Moment Closure: Part I—Effects of Periodic Pressure Gradient, Wall Transpiration, and Free-Stream Turbulence
(The American Society of Mechanical Engineers (ASME), 1993)The purpose of this two-part paper is to assess the performance of a second-moment closure applicable up to a wall. In the present part, the turbulence model is applied to the boundary layers ... -
A Comparison of the Linear and Nonlinear k–ε Turbulence Models in Combustors
(The American Society of Mechanical Engineers (ASME), 1993)In swirling turbulent flows, the structure of turbulence is nonhomogeneous and anisotropic and it has been observed that the assumptions leading to the formulation of the k-ε model, which is ... -
LDV Measurements of Periodic Fully Developed Main and Secondary Flows in a Channel With Rib-Disturbed Walls
(The American Society of Mechanical Engineers (ASME), 1993)Laser-Doppler velocimeter measurements of mean velocities, turbulence intensities, and Reynolds stresses are presented for periodic fully developed flows in a channel with square rib-disturbed walls ... -
Airfoil Shape Optimization Using Sensitivity Analysis on Viscous Flow Equations
(The American Society of Mechanical Engineers (ASME), 1993)An aerodynamic shape optimization method has previously been developed by the authors using the Euler equations and has been applied to supersonic-hypersonic nozzle designs. This method has also ... -
Parametrical Investigation of the Interaction Between Turbulent Wall Shear Layers and Normal Shock Waves, Including Separation
(The American Society of Mechanical Engineers (ASME), 1993)The existence of strong shock waves plays a major role in the performance of modern aero-mechanical devices, since it is primarily responsible not only for the shock induced total pressure ... -
Prediction of Turbulent Boundary Layers With a Second-Moment Closure: Part II—Effects of Streamline Curvature and Spanwise Rotation
(The American Society of Mechanical Engineers (ASME), 1993)Further testing of the second-moment closure employed in Part I is made. The present part considers the effects of streamline curvature and spanwise system rotation. As expected, the exact ... -
Perspective: Systematic Study of Reynolds Stress Closure Models in the Computations of Plane Channel Flows (Data Bank Contribution)
(The American Society of Mechanical Engineers (ASME), 1993)This paper investigates the roles of pressure-strain and turbulent diffusion models in the numerical calculation of turbulent plane channel flows with second-moment closure models. Only high ... -
Questions in Fluid Mechanics—Reverse Transition Phenomena in Helically Coiled Pipes
(The American Society of Mechanical Engineers (ASME), 1993) -
On the Main Flow Pattern in Hydrocyclones
(The American Society of Mechanical Engineers (ASME), 1993)A theoretical model is developed for the prediction of the main flow pattern in hydrocyclones. The model regards the main body of the cyclone as inviscid and includes provisions for the fluid ... -
Transient Interface Shape of a Two-Layer Liquid in an Abruptly Rotating Cylinder
(The American Society of Mechanical Engineers (ASME), 1993)A description is made of the transient shape of interface of a two-layer liquid in an abruptly rotating circular cylinder. The density of the lower layer is higher than that of the upper ... -
Unsteady Flow of a Power-Law Dusty Fluid With Suction
(The American Society of Mechanical Engineers (ASME), 1993)Equations governing flow of a particulate suspension exhibiting finite volume fraction in non-Newtonian power-law fluids are developed and applied to the problem of unsteady flow past an infinite ... -
Correlation of Adiabatic Two-Phase Pressure Drop Data Using the Frictional Law of Corresponding States
(The American Society of Mechanical Engineers (ASME), 1993)A method, based on that developed for single-phase flow, is proposed for the correlation of two-phase frictional pressure drop data. It is validated using air-water data obtained on small ... -
A Study of Viscosity Effect and Its Compensation on Turbine-Type Flowmeters
(The American Society of Mechanical Engineers (ASME), 1960)An analysis of the viscosity effect on meter accuracy of an axial-flow turbine-type flowmeter is formulated by the use of physical reasoning and experimental evidence. This analysis indicates ... -
Numerical Uncertainty in Fluid Flow Calculations: Needs for Future Research
(The American Society of Mechanical Engineers (ASME), 1993)Computational fluid dynamics (CFD) has established itself as a viable technique for performing research and solving engineering problems, and when used correctly, can give accurate results for ... -
Near-Wake Flow of a V-Gutter With Slit Bleed (Data Bank Contribution)
(The American Society of Mechanical Engineers (ASME), 1993)The cold-flow characteristics of a v-shape flame holder with flow bleed from a slit located at the leading edge have been investigated. According to experimental evidence, a nonsymmetric wake ... -
U.S. Competitiveness: A Fluid Engineer’s Viewpoint
(The American Society of Mechanical Engineers (ASME), 1993) -
Drag Reduction of a Cylinder/Endwall Junction Using the Iceformation Method
(The American Society of Mechanical Engineers (ASME), 1993)The iceformation design method was used to reduce the drag of a juncture between a cylinder and flat endwall. Ice was formed on a subfreezing flat endwall in a warmer laminar water flow. ... -
Research Directions in Concentrated Suspensions
(The American Society of Mechanical Engineers (ASME), 1993) -
Comparison of Numerical and Experimental Results for a Turbulent Flow Field With a Longitudinal Vortex Pair
(The American Society of Mechanical Engineers (ASME), 1993)A numerical simulation of a three-dimensional turbulent flow with longitudinal vortices embedded in the boundary layer on a channel wall is presented. The flow is described by the unsteady ... -
Prediction of Pressure Drop for Incompressible Flow Through Screens
(The American Society of Mechanical Engineers (ASME), 1993)A new pressure loss correlation predicts flow through screens for the wire Reynolds number range of 10−4 to 104 using the conventional orthogonal porosity and a function of wire Reynolds number. ...