Journal of Fluids Engineering: Recent submissions
Now showing items 5001-5020 of 9024
-
Flow of Two-Immiscible Fluids in Porous and Nonporous Channels
(The American Society of Mechanical Engineers (ASME), 2000)This study considers steady, laminar flow of two viscous, incompressible, electrically-conducting and heat-generating or absorbing immiscible fluids in an infinitely-long, impermeable parallel-plate ... -
Bubble Characteristics in a Developing Vertical Gas–Liquid Upflow Using a Conductivity Probe
(The American Society of Mechanical Engineers (ASME), 2000)Experiments were carried out in an 82.6-mm-dia column with a perforated distributor plate. Conductivity probes on the axis of the column were used to measure local bubble properties in the ... -
An Experimental Investigation of Cavitation Inception and Development on a Two-Dimensional Eppler Hydrofoil
(The American Society of Mechanical Engineers (ASME), 2000)Cavitation inception and development on a two-dimensional foil with an Eppler E817 cross section issued from an inverse calculus have been experimentally investigated. The foil is theoretically ... -
Experimental Investigation of Boundary Layer Behavior in a Simulated Low Pressure Turbine
(The American Society of Mechanical Engineers (ASME), 2000)A detailed investigation of the flow physics occurring on the suction side of a simulated low pressure turbine (LPT) blade was performed. A contoured upper wall was designed to simulate the ... -
Passive Control of Rotating Stall in a Parallel-Wall Vaneless Diffuser by Radial Grooves
(The American Society of Mechanical Engineers (ASME), 2000)In order to control and suppress rotating stall in the diffuser of a centrifugal turbomachine, a passive method of utilizing radial shallow grooves is proposed and its effect is studied ... -
Flutter Limits and Behavior of a Flexible Thin Sheet in High-Speed Flow— II: Experimental Results and Predicted Behaviors for Low Mass Ratios
(The American Society of Mechanical Engineers (ASME), 2000)Flutter phenomena of flexible thin sheets such as paper swept by wind are studied for a wide range of mass ratios by an analytical method developed by the authors. The analytical results ... -
Quantitative Visualization of the Flow in a Centrifugal Pump With Diffuser Vanes—II: Addressing Passage-Averaged and Large-Eddy Simulation Modeling Issues in Turbomachinery Flows
(The American Society of Mechanical Engineers (ASME), 2000)The present paper addresses two basic modeling problems of the flow in turbomachines. For simulation of flows within multistage turbomachinery, unsteady Reynolds-averaged Navier–Stokes (RANS) of ... -
Flutter Limits and Behaviors of a Flexible Thin Sheet in High-Speed Flow— I: Analytical Method for Prediction of the Sheet Behavior
(The American Society of Mechanical Engineers (ASME), 2000)An analytical method is proposed for the prediction of fluttering of a flexible thin sheet or web swept by fluid flow. It assumes self-excited aeroelastic oscillation of the sheet with ... -
On the Constitutive Relation for the Reynolds Stresses and the Prandtl-Kolmogorov Hypothesis of Effective Viscosity in Axisymmetric Strained Turbulence
(The American Society of Mechanical Engineers (ASME), 2000)The constitutive relation for the Reynolds stress tensor is considered for turbulence developing in axisymmetric strain fields. It is confirmed that the Reynolds stress tensor is aligned linearly ... -
Homogeneous, Isotropic Flow in Grid Generated Turbulence
(The American Society of Mechanical Engineers (ASME), 2000)Detailed grid generated turbulent analysis has been completed using a three-dimensional hot-wire anemometer and traversing mechanism to identify a homogeneous, isotropic flow region downstream of ... -
Quantitative Visualization of the Flow in a Centrifugal Pump With Diffuser Vanes—I: On Flow Structures and Turbulence
(The American Society of Mechanical Engineers (ASME), 2000)Particle image velocimetry measurements are used to identify the unsteady flow structures and turbulence in a transparent centrifugal pump with a vaned diffuser. The experiments are being performed ... -
Validation of Hyperbolic Model for Water-Hammer in Deformable Pipes
(The American Society of Mechanical Engineers (ASME), 2000)A mathematical formulation is presented to describe the transient flow of homogeneous gas–liquid mixtures in deformable pipes. The mixture density is defined by an expression averaging the ... -
Experimental Study of Turbulent Asymmetric Flow in a Flat Duct Symmetric Sudden Expansion
(The American Society of Mechanical Engineers (ASME), 2000)This work presents an experimental study of recirculating flows downstream of a flat duct sudden expansion. Results of measurements of average and RMS quantities of the pressure P and the axial ... -
Vectoring Thrust in Multiaxes Using Confined Shear Layers
(The American Society of Mechanical Engineers (ASME), 2000)A fluidic scheme is described which exploits a confined countercurrent shear layer to achieve multiaxis thrust vector response of supersonic jets in the absence of moving parts. Proportional and ... -
Large Eddy Simulation of Flow Past a Square Cylinder: Comparison of Different Subgrid Scale Models
(The American Society of Mechanical Engineers (ASME), 2000)Large eddy simulation of flow past a rigid prism of a square cross section with one side facing the oncoming flow at Re=2.2×104 is performed. An incompressible code is used employing an ... -
Stability Analysis of One-Dimensional Steady Cavitating Nozzle Flows With Bubble Size Distribution
(The American Society of Mechanical Engineers (ASME), 2000)A continuum bubbly mixture model coupled to the Rayleigh-Plesset equation for the bubble dynamics is employed to study one-dimensional steady bubbly cavitating flows through a converging-diverging ... -
Fluid Dynamics and Transport of Droplets and Sprays
(The American Society of Mechanical Engineers (ASME), 2000)Fluid Dynamics and Transport of Droplets and Sprays , by W. A. Sirignano. Cambridge University Press, Cambridge, UK, 1999; 311 pages. REVIEWED BY CHRIS F. EDWARDS. -
Aerothermal Considerations for the Design of Two-Phase High Speed Impact Cleansers
(The American Society of Mechanical Engineers (ASME), 2000)An alternative method employed in industrial cleansing applications involves injecting liquid water in a flow of gaseous nitrogen and discharging the mixture through a converging-diverging nozzle ... -
Turbulent Flow Around Two Interfering Surface-Mounted Cubic Obstacles in Tandem Arrangement
(The American Society of Mechanical Engineers (ASME), 2000)The flow around two in-line surface-mounted cubes in a thin laminar boundary layer was experimentally investigated as a function of obstacle spacing for a Reynolds number of 22,000 based on ... -
Effect of Planform Aspect Ratio on Flow Oscillations in Rectangular Cavities
(The American Society of Mechanical Engineers (ASME), 2000)An experimental investigation was undertaken to examine the effect of cavity lateral width on the flow oscillations that occur in an open cavity placed within a turbulent subsonic boundary ...