Journal of Fluids Engineering: Recent submissions
Now showing items 3041-3060 of 9024
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Investigation of the Behavior of Ventilated Supercavities
(The American Society of Mechanical Engineers (ASME), 2011)A study has been carried out to determine various aspects of the flow physics of a supercavitating vehicle at the Saint Anthony Falls Laboratory (SAFL). For the experimental work presented ... -
Flow Regime Identification Under Adiabatic Upward Two-Phase Flow in a Vertical Rod Bundle Geometry
(The American Society of Mechanical Engineers (ASME), 2011)Flow regime maps were obtained for adiabatic air-water two-phase flow through a flow channel with 8 × 8 rod bundle, which simulated a typical rod bundle in a boiling water reactor. ... -
Flow Structure in the Near-Wall Region of a Submerged Impinging Jet
(The American Society of Mechanical Engineers (ASME), 2011)An experimental investigation was performed to study the flow structure of a submerged water jet impinging normally on a smooth and flat surface using particle image velocimetry (PIV). The jet ... -
Uncertainty Analysis in the Numerical Simulation of the Air-Water Droplet Motion Through Drift Eliminators
(The American Society of Mechanical Engineers (ASME), 2011)This work presents an uncertainty study in the numerical simulation of the air-water droplet motion through three types of drift eliminators using the grid convergence index (GCI) method. The ... -
A Comparison Between Round Turbulent Jets and Particle-Laden Jets in Crossflow by Using Time-Resolved Stereoscopic Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2011)Time-resolved stereoscopic particle image velocimetry (TR-ST-PIV) measurements were performed to compare the velocity and vorticity field, and the three-dimensional high intensity vorticity structures ... -
Analysis of a Power Law and Log Law for a Turbulent Wall Jet Over a Transitional Rough Surface: Universal Relations
(The American Society of Mechanical Engineers (ASME), 2011)The power law and log law velocity profiles and an integral analysis in a turbulent wall jet over a transitional rough surface have been proposed. Based on open mean momentum Reynolds equations, ... -
Experimental Investigation of Time-Frequency Characteristics of Pressure Fluctuations in a Double-Suction Centrifugal Pump
(The American Society of Mechanical Engineers (ASME), 2011)Pressure fluctuation is the primary reason for unstable operations of double-suction centrifugal pumps. By using flush mounted pressure transducers in the semispiral suction chamber and the volute ... -
Semi Analytical Solution to Transient Start of Weakly Underexpanded Turbulent Jet
(The American Society of Mechanical Engineers (ASME), 2011)This study presents a semi analytical solution for the transient weakly underexpanded jet. Different polytropic processes are compared with available experimental data in the literature to assess ... -
An Analytical Study for Fluid Flow in Porous Media Imbedded Inside a Channel With Moving or Stationary Walls Subjected to Injection/Suction
(The American Society of Mechanical Engineers (ASME), 2011)This paper reports a new analytical solution for 2D Darcy-Brinkman equations in porous channels filled with porous media subjected to various boundary conditions at walls. The governing equations ... -
Slip-Flow in Microchannels of Non-Circular Cross Sections
(The American Society of Mechanical Engineers (ASME), 2011)Closed form solutions are presented for fully developed pressure driven slip-flow in straight microchannels of uniform noncircular cross-sections. To achieve this goal, starting from the general ... -
Numerical Simulation of Polymer Injection in Turbulent Flow Past a Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 2011)Using a code developed to compute high Reynolds number viscoelastic flows, polymer injection from the upstream stagnation point of a circular cylinder is modeled at Re=3900. Polymer stresses are ... -
Flow Transition Behavior of the Wetting Flow Between the Film Flow and Rivulet Flow on an Inclined Wall
(The American Society of Mechanical Engineers (ASME), 2011)Gas-liquid two-phase interfacial flows, such as the liquid film flows (also known as wetting flows on walls), are observed in many industrial processes including absorption, desorption, distillation, ... -
Studies of Swirl Burner Characteristics, Flame Lengths and Relative Pressure Amplitudes
(The American Society of Mechanical Engineers (ASME), 2011)Swirl stabilized combustion is a technology which, for stationary combustion, consumes more than 70 to 80% of the world’s fossil fuels. There have been many reviews of this technology, but ... -
Theoretical Investigation of the Influence of Liquid Physical Properties on Effervescent Atomization Performance
(The American Society of Mechanical Engineers (ASME), 2011)Background. A comprehensive model in the Eulerian-Lagrangian scheme is used to investigate the performance of the gas-droplet two-phase flow for a typical effervescent atomization spray with ... -
Flow Modifiers for Preventing Sedimentation in Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2011)Heat exchangers are commonly used in process industries; however, fouling, such as sedimentation of particulate material is a significant challenge hindering the efficient use of heat exchangers ... -
Optimum Cross Section Profile in Axisymmetric Stokes Flow
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, the problem of optimum cross-section profile in axisymmetric Stokes flow has been discussed under the restriction of specific drag. We take up a class of bodies to be of given ... -
Enhancing the Aggressive Intensity of a Cavitating Jet by Means of the Nozzle Outlet Geometry
(The American Society of Mechanical Engineers (ASME), 2011)In order to enhance the aggressive intensity of a cavitating jet for practical applications, the effect of the geometry of the nozzle through which the jet is driven on the aggressive intensity ... -
Optical Density Measurements and Analysis for Single-Mode Initial-Condition Buoyancy-Driven Mixing
(The American Society of Mechanical Engineers (ASME), 2011)The Texas A&M water channel experiment is modified to examine the effect of single-mode initial conditions on the development of buoyancy-driven mixing (Rayleigh-Taylor) with small density ... -
Secondary Flow in Semi-Circular Ducts
(The American Society of Mechanical Engineers (ASME), 2011)Turbulent secondary flows are motions in the transverse plane, perpendicular to a main, axial flow. They are encountered in non-circular ducts and can, although the velocity is only of the ... -
A Theoretical Description of a Dilute Emulsion of Very Viscous Drops Undergoing Unsteady Simple Shear
(The American Society of Mechanical Engineers (ASME), 2011)This theoretical work shows how the knowledge of the emulsion microscale, including drop stretching and orientation leads to a continuum description of emulsion flows. A first order small ...