Journal of Fluids Engineering: Recent submissions
Now showing items 4901-4920 of 9024
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On Two-Dimensional Laminar Hydromagnetic Fluid-Particle Flow Over a Surface in the Presence of a Gravity Field
(The American Society of Mechanical Engineers (ASME), 2001)A continuum two-phase fluid-particle model accounting for particle-phase stresses and a body force due to the presence of a magnetic field is developed and applied to the problem of two-dimensional ... -
Stability of the Base Flow to Axisymmetric and Plane-Polar Disturbances in an Electrically Driven Flow Between Infinitely-Long, Concentric Cylinders
(The American Society of Mechanical Engineers (ASME), 2001)The method of normal modes is used to examine the stability of an azimuthal base flow to both axisymmetric and plane-polar disturbances for an electrically conducting fluid confined between ... -
Experimental and Numerical Investigation of Two-Dimensional Parallel Jets
(The American Society of Mechanical Engineers (ASME), 2001)The flowfield of dual, parallel planar turbulent jets is investigated experimentally using an x-type hot-wire probe and numerically by solving the Reynolds-averaged Navier-Stokes equations. The ... -
Simulations of Channel Flows With Effects of Spanwise Rotation or Wall Injection Using a Reynolds Stress Model
(The American Society of Mechanical Engineers (ASME), 2001)Simulations of channel flows with effects of spanwise rotation and wall injection are performed using a Reynolds stress model. In this work, the turbulent model is extended for compressible ... -
An Analytical Solution for Incompressible Flow Through Parallel Multiple Jets
(The American Society of Mechanical Engineers (ASME), 2001)A theoretical model of multiple jet flow is introduced based on the thin shear layer theory. The analytical solution has been obtained by using Prandtl’s mixing length hypothesis. The results ... -
Nonlinear Stability Analysis of the Thin Micropolar Liquid Film Flowing Down on a Vertical Cylinder
(The American Society of Mechanical Engineers (ASME), 2001)This paper investigates the weakly nonlinear stability theory of a thin micropolar liquid film flowing down along the outside surface of a vertical cylinder. The long-wave perturbation method ... -
A Study on Turbulent Boundary Layers on a Smooth Flat Plate in an Open Channel
(The American Society of Mechanical Engineers (ASME), 2001)An experimental study was undertaken to investigate the characteristics of turbulent boundary layers developing on smooth flat plate in an open channel flow at moderately high Froude numbers ... -
At the Upper Transition of Subcritical Regime of a Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 2001)The present study establishes the transition between the lower and upper subcritical regime of flow over a circular cylinder at 7×103<Re<2×104. Based on a new sampling technique, ... -
The Computation of a Two-Dimensional Turbulent Wall Jet in an External Stream
(The American Society of Mechanical Engineers (ASME), 2001)An extended expression for the primary turbulent shear stress combined with an algebraic Reynolds-stress model is applied to the computation of a two-dimensional turbulent wall jet. This model ... -
A BEM for the Prediction of Unsteady Midchord Face and/or Back Propeller Cavitation
(The American Society of Mechanical Engineers (ASME), 2001)A boundary element method (BEM) is used for the numerical analysis of sheet cavitation on a propeller subjected to the non-axisymmetric wakes of marine vehicles. This method is extended in ... -
Random Flow Generation Technique for Large Eddy Simulations and Particle-Dynamics Modeling
(The American Society of Mechanical Engineers (ASME), 2001)A random flow generation (RFG) technique is presented, which can be used for initial/inlet boundary generation in LES (Large-Eddy-Simulations) or particle tracking in LES/RANS (Reynolds-Averaged ... -
Direct Numerical Simulation of Flow and Heat Transfer From a Sphere in a Uniform Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2001)Direct numerical solution for flow and heat transfer past a sphere in a uniform flow is obtained using an accurate and efficient Fourier-Chebyshev spectral collocation method for Reynolds numbers ... -
Computation of Particle and Scalar Transport for Complex Geometry Turbulent Flows
(The American Society of Mechanical Engineers (ASME), 2001)The prediction of particle and scalar transport in a complex geometry with turbulent flow driven by fans is considered. The effects of using different turbulence models, anisotropy, flow ... -
Direct Numerical Simulation of a Fully Developed Turbulent Channel Flow With Respect to the Reynolds Number Dependence
(The American Society of Mechanical Engineers (ASME), 2001)Direct numerical simulation (DNS) of a fully developed turbulent channel flow for various Reynolds numbers has been carried out to investigate the Reynolds number dependence. The Reynolds number ... -
Simulations of Cavitating Flows Using Hybrid Unstructured Meshes
(The American Society of Mechanical Engineers (ASME), 2001)A new multi-phase model for low speed gas/liquid mixtures is presented; it does not require ad-hoc closure models for the variation of mixture density with pressure and yields thermodynamically ... -
Mixing Models for Large-Eddy Simulation of Nonpremixed Turbulent Combustion
(The American Society of Mechanical Engineers (ASME), 2001)The application of mixture fraction based models to large-eddy simulations (LES) of nonpremixed turbulent combustion requires information about mixing at length scales not resolved on the LES ... -
Flow Structure and Particle Transport in a Triple Bifurcation Airway Model1
(The American Society of Mechanical Engineers (ASME), 2001)Considering steady laminar incompressible flow in a triple bifurcation, which represents generations three to six of the human respiratory system, air flow fields and micron-particle transport ... -
Flow Control of Rotating Stall in a Radial Vaneless Diffuser
(The American Society of Mechanical Engineers (ASME), 2001)The instabilities of a backflow layer on a diffuser wall and the main flow with vorticity have already been shown theoretically to cause the occurrence of rotating stall in a vaneless diffuser. ... -
Unsteady Flow Pattern Characteristics Downstream of a Forward-Curved Blades Centrifugal Fan
(The American Society of Mechanical Engineers (ASME), 2001)The results of an experimental investigation of the flow at two exit radial locations of a forward-curved blades centrifugal fan are presented. Hot wire techniques were used to obtain steady ... -
Performance Characteristics of Centrifugal Slurry Pumps
(The American Society of Mechanical Engineers (ASME), 2001)The performance of two centrifugal slurry pumps has been reported for three solid materials having different particle size distribution (PSD) in terms of head, capacity, and power characteristics. ...