Journal of Fluids Engineering: Recent submissions
Now showing items 3681-3700 of 9024
-
Numerical and Experimental Study on Metal Organic Vapor-Phase Epitaxy of InGaN∕GaN Multi-Quantum-Wells
(The American Society of Mechanical Engineers (ASME), 2008)A numerical and experimental study has been performed to characterize the metal organic vapor-phase epitaxy (MOVPE) growth of InGaN∕GaN multi-quantum-wells. One of the major objectives of the ... -
Multiphysics Simulation of Electrochemical Machining Process for Three-Dimensional Compressor Blade
(The American Society of Mechanical Engineers (ASME), 2008)Electrochemical machining (ECM) is an advanced machining technology. It has been applied in highly specialized fields such as aerospace, aeronautics, and medical industries. However, it still has ... -
Distributions of Pressure, Velocity, and Void Fraction for One-Dimensional Gas-Liquid Bubbly Flow in Horizontal Pipes
(The American Society of Mechanical Engineers (ASME), 2008)A homogeneous model for prediction of the longitudinal distributions of pressure, velocity, and void fraction for two-phase bubbly flow in horizontal pipes is presented. The mixture flow is ... -
Assessing Rotation/Curvature Corrections to Eddy-Viscosity Models in the Calculations of Centrifugal-Compressor Flows
(The American Society of Mechanical Engineers (ASME), 2008)Rotation and curvature (RC) effects on turbulence are expected to impact losses and flow structure in turbomachines. This paper examines two recent eddy-viscosity-model corrections devised to ... -
Analytical Prediction of Flow Field in Magnetohydrodynamic-Based Microfluidic Devices
(The American Society of Mechanical Engineers (ASME), 2008)A new approximate solution for the velocity profile of steady incompressible magnetohydrodynamic (MHD) flows in a rectangular microchannel driven by the Lorentz force is proposed. Mean velocity ... -
Hydrofoil Cavitation Under Strong Thermodynamic Effect
(The American Society of Mechanical Engineers (ASME), 2008)Cavitation was studied for a NACA0015 hydrofoil using a material that simulates cryogenic behavior. Several angles of attack and flow speeds up to 8.6m∕s were tested. The material used, ... -
Two-Dimensional Simulation of the Collapse of Vapor Bubbles Near a Wall
(The American Society of Mechanical Engineers (ASME), 2008)In order to investigate the erosion extent and mode of cavitation in different states by the commercial code FLUENT and evaluate the reliability of the software, the collapse processes of a ... -
Interplay Between Inertia and Elasticity in Film Casting
(The American Society of Mechanical Engineers (ASME), 2008)The influence of inertia and boundary conditions on the steady state and stability of isothermal film casting of viscoelastic fluids is examined using a Phan-Thien–Tanner rheological model. The ... -
An Experimental Procedure for Determining Both the Density and Flow Rate From Pressure Drop Measurements in a Cylindrical Pipe
(The American Society of Mechanical Engineers (ASME), 2008)An experimental procedure was developed for determining both the density and flow rate of a gas from measurements of pressure drops caused by an abrupt flow area contraction in a cylindrical ... -
Confined Swirling Flows of Aqueous Surfactant Solutions Due to a Rotating Disk in a Cylindrical Casing
(The American Society of Mechanical Engineers (ASME), 2008)In this study, confined swirling flows of an aqueous surfactant solution due to a rotating disk in a cylindrical casing were investigated using a sectional flow visualization technique and a ... -
Measurement of Fluid Distributions in a Rotating Fluid Coupling Using High Resolution Gamma Ray Tomography
(The American Society of Mechanical Engineers (ASME), 2008)Gamma ray tomography has been used to visualize fluid distributions in a rotating fluid coupling in different operation points at a pump speed of 780rpm and lower turbine speeds. The gamma ... -
Benchmark Experimental Data for Fully Stalled Wide-Angled Diffusers
(The American Society of Mechanical Engineers (ASME), 2008)Due to adverse pressure gradient along the diverging walls of wide-angled diffusers, the attached flow separates from one wall and remains attached permanently to the other wall in a process ... -
Large Eddy Simulation of Flow Past Free Surface Piercing Circular Cylinders
(The American Society of Mechanical Engineers (ASME), 2008)Flows past a free surface piercing cylinder are studied numerically by large eddy simulation at Froude numbers up to FrD=3.0 and Reynolds numbers up to ReD=1×105. A two-phase volume of ... -
Extended Angular Range of a Three-Hole Cobra Pressure Probe for Incompressible Flow
(The American Society of Mechanical Engineers (ASME), 2008)This paper analyzes the operative characteristics of a three-hole cobra type probe especially designed to attain an angular range higher than 180deg for planar turbulent flows. A new calibration ... -
Pressure Drop Through Anisotropic Porous Mediumlike Cylinder Bundles in Turbulent Flow Regime
(The American Society of Mechanical Engineers (ASME), 2008)Pressure drop through anisotropic porous mediumlike cylinder bundles is experimentally examined in turbulent flow regime. Three porosities, ε=0.66, 0.82, and 0.90, are considered. The flow blockage ... -
Laminarization of Internal Flows Under the Combined Effect of Strong Curvature and Rotation
(The American Society of Mechanical Engineers (ASME), 2008)The laminarization phenomenon for the flow under the combined effect of strong curvature and rotation is discussed based on numerical predictions of large-eddy simulation (LES). Initially, the ... -
Influence of Curvature and Pressure Gradient on Turbulent Wake Development in Curved Channels
(The American Society of Mechanical Engineers (ASME), 2008)The development of steady wake flow downstream of a cylindrical rod within a curved channel under the influence of positive, negative, and zero streamwise pressure gradients is theoretically and ... -
Buoyancy Dominated He–O2 Separated Jet Mixing in a Tubular Reactor
(The American Society of Mechanical Engineers (ASME), 2008)Mixing of two variable-density jets, one of which is essentially a negatively buoyant jet (He) and the other a nonbuoyant jet (O2) is studied experimentally using digital particle image velocimetry ... -
Influence of Torque on the Lift and Drag of a Particle in an Oscillatory Flow
(The American Society of Mechanical Engineers (ASME), 2008)In the work of (2002, “ Forces on Particles in an Oscillatory Boundary Layer,” J. Fluid Mech., 468, pp. 327–347, 2005; “ Influence of Wall Proximity on the Lift and Drag of a Particle in ... -
Noise Prediction of a Centrifugal Fan: Numerical Results and Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2008)Centrifugal fans are widely used in several applications, and in some cases, the noise generated by these machines has become a serious problem. The centrifugal fan noise is frequently dominated ...