Journal of Fluids Engineering: Recent submissions
Now showing items 2641-2660 of 9024
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A Novel Approach for the Prediction of Dynamic Features of Air Release and Absorption in Hydraulic Oils
(The American Society of Mechanical Engineers (ASME), 2013)An accurate evaluation of fluid density and bulk modulus is essential for predicting the operation of hydraulic systems and components. Among the models reported in literature to describe fluid properties, of particular ... -
Characterization of Cavitation Fields From Measured Pressure Signals of Cavitating Jets and Ultrasonic Horns
(The American Society of Mechanical Engineers (ASME), 2013)Cavitation pressure fields under a cavitating jet and an ultrasonic horn were recorded for different conditions using high frequency response pressure transducers. This was aimed at characterizing the impulsive pressures ... -
Numerical Simulation of Turbulent Mist Flows With Liquid Film Formation in Curved Pipes Using an Eulerian–Eulerian Method
(The American Society of Mechanical Engineers (ASME), 2013)Turbulent flows of air/water mixtures through curved pipes are modeled in this work using a Eulerian–Eulerian method. This is motivated by the possibility of using computational fluid dynamics (CFD) as a design tool ... -
Numerical Simulation and Proper Orthogonal Decomposition of the Flow in a Counter Flow T Junction
(The American Society of Mechanical Engineers (ASME), 2013)Large eddy simulations (LES) of the turbulent mixing in a Tjunction have been carried out with the spectral element code Nek5000 at two inlet velocity ratios. Numerical results have been compared with an available experiment. ... -
Experimental Research on Film Pressure Distribution of Water Lubricated Rubber Bearing With Multiaxial Grooves
(The American Society of Mechanical Engineers (ASME), 2013)In order to obtain the entire continuous circumferential film pressure distribution of a waterlubricated rubber bearing with multiaxial grooves, and further to study the bearing properties, an experimental research was ... -
Relaxation of Spatially Advancing Coherent Structures in a Turbulent Curved Channel Flow
(The American Society of Mechanical Engineers (ASME), 2013)A direct numerical simulation is made for the incompressible turbulent flow in the 180 deg curved channel with a long straight portion connected to its exit port. An examination is made for how the organized coherent ... -
On the Structure of a Plane Turbulent Wall Jet
(The American Society of Mechanical Engineers (ASME), 2013)The present study proposes two interactive eddy viscosities for the two layers of a plane wall jet where the influence of one layer is considered on the eddy viscosity of the other layer. Using these viscosities, the ... -
Flow Field and Turbulence Characterization of a Counter Impinging Jet Reactor Using Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2013)We characterize the three dimensional structure and quantify turbulence quantities in a counterimpinging jet reactor with trapezoidal crosssection to test the feasibility of achieving stratified mixing. Dye flowvisualization ... -
Experimental Characterization of Slug Flow on Solid Particle Transport in a 1 Deg Upward Inclined Pipeline
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents an experimental investigation on the influence of hydraulic and two phase (gasliquid) flows on sand dune transportation resulting from a stationary flatbed, for horizontal and 1 deg upward pipe ... -
Investigation of the Behavior of Ventilated Supercavities in a Periodic Gust Flow
(The American Society of Mechanical Engineers (ASME), 2013)A ventilated supercavity consists of a large, gasfilled bubble enveloped around an underwater vehicle that allows for significant drag reduction and increases in vehicle speed. Previous studies at the Saint Anthony Falls ... -
Numerical Simulations for Hydrodynamics of Air Water External Loop Airlift Reactor Flows With Bubble Break Up and Coalescence Effects
(The American Society of Mechanical Engineers (ASME), 2013)The external loop airlift reactor (ELALR) is a modified bubble column reactor that is composed of two vertical columns interconnected with two horizontal tubes and is often preferred over traditional bubble column reactors ... -
Steady Extrusion of Superplastic Metallic Alloys
(The American Society of Mechanical Engineers (ASME), 1971)A three-dimensional theory of superplasticity is developed, based on the requirement that in the uniaxial case it shall reduce to the Packer-Sherby law. Analytical solutions are obtained for ... -
Numerical Simulation of Coal Fly Ash Erosion in an Induced Draft Fan
(The American Society of Mechanical Engineers (ASME), 2013)Induced draft fans extract coalfired boiler exhaust gases in the form of a twophase flow with a dispersed solid phase made of unburnt coal and fly ash; consequently fan blades are subject to erosion causing material wear ... -
Effect of Finite Diaphragm Rupture Process on Microshock Tube Flows
(The American Society of Mechanical Engineers (ASME), 2013)The study of flow physics in microshock tubes is of growing importance with the recent development of microscale technology. The flow characteristics in a microshock tube is considerably different from that of the conventional ... -
On a Seemingly New Three Dimensional Stagnation Point Flow
(The American Society of Mechanical Engineers (ASME), 2013)In a recent paper by Abbassi and Rahimi (2009, “Nonaxisymmetric ThreeDimensional StagnationPoint Flow and Heat Transfer on a Flat Plate,’’ ASME J. Fluids Eng, 131(7), p. 074501) the existence of a new nonaxisymmetric ... -
On the Role of Leading Edge Bumps in the Control of Stall Onset in Axial Fan Blades
(The American Society of Mechanical Engineers (ASME), 2013)Taking a lead from the humpback whale flukes, characterized by a series of bumps that result in a sinusoidallike leading edge, this paper reports on a threedimensional numerical study of sinusoidal leading edges on cambered ... -
A Numerical Investigation of Developing Flow in Concentric and Eccentric Curved Square Annuli
(The American Society of Mechanical Engineers (ASME), 2013)In this article developing incompressible viscous fluid flow in concentric and eccentric curved square annuli are numerically studied. A second order finite difference method based on the projection algorithm is implemented ... -
Friction Loss and Wear in a Meso Scale Wankel Compressor
(The American Society of Mechanical Engineers (ASME), 2013)In a meso scale Wankel compressor, the surfacetovolume ratio and the contact surfaces with friction are larger compared with conventional scale Wankel compressor. The analysis of friction loss is highly important for the ... -
Influence of Applied Magnetic Field on a Wire Plate Electrostatic Precipitators Under Multi Field Coupling
(The American Society of Mechanical Engineers (ASME), 2013)The aim of this work is to find an effective method to improve the collection efficiency of electrostatic precipitators (ESPs). A mathematic model of an ESP subjected to the external magnetic field was proposed. The model ... -
Fatigue Strength Optimization of Bonded Joints
(The American Society of Mechanical Engineers (ASME), 1971)The possibility of improving the fatigue strength of bonded double strap joints by reducing the stress concentration, inherently encountered at the conventional square (90 deg) strap edge, was ...