Journal of Fluids Engineering: Recent submissions
Now showing items 5641-5660 of 9024
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Boundary Layer Excitation by Periodic Heating of a Thin Ribbon
(The American Society of Mechanical Engineers (ASME), 1997) -
Shape of an Annular Liquid Jet
(The American Society of Mechanical Engineers (ASME), 1997)Analytical and experimental studies have been done to determine the shape of a vertical, axisymmetric, annular liquid jet. From a balance of the surface, pressure, gravity, and inertia forces, ... -
Numerical Analysis of Turbulent Flow in Fluid Couplings
(The American Society of Mechanical Engineers (ASME), 1997)Numerical simulation of three-dimensional unsteady turbulent flows in fluid couplings was carried out by numerically solving Navier-Stokes equations in a rotating coordinate system. The standard ... -
Air Entrainment in the Developing Flow Region of Plunging Jets—Part 1: Theoretical Development
(The American Society of Mechanical Engineers (ASME), 1997)Air-water bubbly flows are encountered in many engineering applications. One type of air-water shear flows is the developing flow region of a plunging jet. The mechanisms of air entrainment by ... -
Effects of Efficiency Techniques on Accuracy of Dynamic-Overlapped Grids for Unsteady Flows
(The American Society of Mechanical Engineers (ASME), 1997)There is a strong need for advancements to compute unsteady flows involving moving boundaries and bodies. Currently, there appear to be two dynamic approaches and their variants proposed for ... -
Measurements in a Transitional Boundary Layer With Görtler Vortices
(The American Society of Mechanical Engineers (ASME), 1997)The laminar-turbulent transition process has been documented in a concave-wall boundary layer subject to low (0.6 percent) free-stream turbulence intensity. Transition began at a Reynolds number, ... -
A Numerical Study of Vortex Shedding From a Square Cylinder With Ground Effect
(The American Society of Mechanical Engineers (ASME), 1997)A numerical study has been conducted to investigate the behavior of the vortical wake created by a square cylinder placed in a laminar boundary-layer flow. The calculations are performed by ... -
Application of Large Eddy Simulation to an Oscillating Flow Past a Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 1997)Three-dimensional sinusoidally oscillating flows around a circular cylinder are investigated by using a viscous flow method (VFM) and a large eddy simulation (LES). A second-order accurate in ... -
Effect of a Crossflow at the Entrance to a Film-Cooling Hole
(The American Society of Mechanical Engineers (ASME), 1997)Understanding the complex flow of jets issuing into a crossflow from an inclined hole that has a short length-to-diameter ration is relevant for film-cooling applications on gas turbine blades. ... -
Turbulence Model for Steady and Unsteady Boundary Layers in Strong Pressure Gradients
(The American Society of Mechanical Engineers (ASME), 1997)A new turbulence model for two-dimensional, steady and unsteady boundary layers in strong adverse pressure gradients is described. The model is developed in a rational way based on understanding ... -
Calculation of Fully-Developed Turbulent Flow in Rectangular Ducts With Nonuniform Wall Roughness
(The American Society of Mechanical Engineers (ASME), 1997)The predictive capabilities of four transport-type turbulence models are analyzed by comparing predictions with experimental data for fully-developed flow in (1) a rectangular duct with a step ... -
Prediction of Transpired Turbulent Boundary Layers With Arbitrary Pressure Gradients
(The American Society of Mechanical Engineers (ASME), 1997)An integral method, using Coles combined inner and outer law as the velocity profile, is developed for calculation of turbulent boundary layers with blowing or suction and pressure gradients. ... -
Suppression of Fluid Forces Acting on a Square Prism by Passive Control
(The American Society of Mechanical Engineers (ASME), 1997)Suppression of fluid forces acting on a square prism by passive control of the approaching flow was investigated in the present study. Flow was controlled using a small flat plate upstream ... -
Perturbation Solution for Flow in Two-Cavity Dies
(The American Society of Mechanical Engineers (ASME), 1997)Dies having two distribution cavities and slots are sometimes used in film-forming applications demanding high uniformity. The flow distribution in the primary slot is evened by the secondary ... -
On the Accuracy of Wall Similarity Methods in Determining Friction Velocity Over Smooth and Ribletted Surfaces
(The American Society of Mechanical Engineers (ASME), 1997) -
Closure to “Discussion of ‘Experimental Measurements in a Centrifugal Pump Impeller’” (1997, ASME J. Fluids Eng., 119, p. 729)
(The American Society of Mechanical Engineers (ASME), 1997) -
Flow Past Large Obstructions Between Corotating Disks in Fixed Cylindrical Enclosures
(The American Society of Mechanical Engineers (ASME), 1997)Numerical calculations have been performed for isothermal, laminar, three-dimensional flow past one or two fixed obstructions radially aligned and symmetrically located between a pair of disks ... -
A Generalized Gas-Liquid-Solid Three-Phase Flow Analysis for Airlift Pump Design
(The American Society of Mechanical Engineers (ASME), 1997)The object of the present study is to access the performance of an airlift pump under predetermined operating conditions. The gas-liquid-solid three phase flow in an airlift pump is described ... -
Discussion: “Experimental Measurements in a Centrifugal Pump Impeller” (Bwalya, A. C., and Johnson, M. W., 1996, ASME J. Fluids Eng., 118, pp. 692–697)
(The American Society of Mechanical Engineers (ASME), 1997) -
Unsteady Total Pressure Field Downstream of an Embedded Stator in a Multistage Axial Flow Compressor
(The American Society of Mechanical Engineers (ASME), 1997)The results from measurements of the unsteady total pressure field downstream of an embedded stage of a three stage axial flow compressor are presented in this paper. The measurements include ...