Journal of Fluids Engineering: Recent submissions
Now showing items 2081-2100 of 9024
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Visualization Study of Flow in Axial Flow Inducer
(The American Society of Mechanical Engineers (ASME), 1972)A visualization study of the flow through a three ft dia model of a four bladed inducer, which is operated in air at a flow coefficient of 0.065, is reported in this paper. The flow near ... -
Flow Modulation by Finite Size Neutrally Buoyant Particles in a Turbulent Channel Flow
(The American Society of Mechanical Engineers (ASME), 2016)A fully mesoscopic, multiplerelaxationtime (MRT) lattice Boltzmann method (LBM) is developed to perform particleresolved direct numerical simulation (DNS) of wallbounded turbulent particleladen flows. The fluid–solid ... -
Special Issue: In Memoriam of Professor Clayton T. Crowe
(The American Society of Mechanical Engineers (ASME), 2016)Professor Clayton T. Crowe of Washington State University (WSU) made seminal contributions in the discipline of Fluids Engineering, starting with his early work on solid fuel combustion for rocket launching applications. ... -
Numerical Analysis of Carrier Particle Motion in a Dry Powder Inhaler
(The American Society of Mechanical Engineers (ASME), 2016)The efficiency of dry powder inhalers (DPIs) for drug delivery is still very low and is therefore the objective of intensive research. Thus, numerical calculations (computational fluid dynamics (CFD)) using the Euler/Lagrange ... -
Study of Local Turbulence Profiles Relative to the Particle Surface in Particle Laden Turbulent Flows
(The American Society of Mechanical Engineers (ASME), 2016)As particleresolved simulations (PRSs) of turbulent flows laden with finitesize solid particles become feasible, methods are needed to analyze the simulated flows in order to convert the simulation data to a form useful ... -
Ultrahigh Temperature Continuous Reactors Based on Electrothermal Fluidized Bed Concept
(The American Society of Mechanical Engineers (ASME), 2016)Authors introduce an ultrahightemperature (i.e., 2500–3000 آ°C) continuous fluidized bed furnace, in which the key operating variable is specific electrical resistance of the bed. A correlation has been established to ... -
Modeling of Axial Symmetric Flow Structure in Gas–Solids Risers
(The American Society of Mechanical Engineers (ASME), 2016)Pneumatic transport of solids in a riser has a unique nonuniform flow structure, characterized by the core solids acceleration and the wall solids deceleration along the riser, which causes the downflow of solids and hence ... -
Application of a Three Dimensional Immersed Boundary Method for Free Convection From Single Spheres and Aggregates
(The American Society of Mechanical Engineers (ASME), 2016)A threedimensional immersed boundary method (IBM) is applied for the solution of the thermal interactions between spherical particles in a viscous Newtonian fluid. At first, the free convection of an isolated isothermal ... -
A Resolved Eulerian–Lagrangian Simulation of Fluidization of 1204 Heated Spheres in a Bed With Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2016)A resolved Eulerian–Lagrangian numerical approach is used to study the heat transfer of 1204 heated spheres fluidized in a slit bed. This approach uses a direct numerical simulation combined with the immersed boundary ... -
Experiments on Flow About a Yawed Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 1972)Experiments were performed to evaluate the influence of yaw angle on circular cylinder pressure drag and near wake characteristics in the range of Reynolds numbers 2000 to 10,000. It was found ... -
Modeling Dilute Gas–Solid Flows Using a Polykinetic Moment Method Approach
(The American Society of Mechanical Engineers (ASME), 2016)Modeling a dilute suspension of particles in a polykinetic Eulerian framework is described using the conditional quadrature method of moments (CQMOM). The particular regimes of interest are multiphase flows comprised of ... -
Lift Augmentation Based on Flap Deflection With Dielectric Barrier Discharge Plasma Flow Control Over Multi Element Airfoils
(The American Society of Mechanical Engineers (ASME), 2016)The effect of the lift augmentation of multielement airfoils with increased flap deflection and dielectric barrier discharge (DBD) plasma flow control on the flap at several angles of attack (AOAs) is investigated numerically ... -
Scalar Mixing Study at High Schmidt Regime in a Turbulent Jet Flow Using Large Eddy Simulation/Filtered Density Function Approach
(The American Society of Mechanical Engineers (ASME), 2016)Mixing of a passive scalar in a highSchmidt turbulent round jet was studied using largeeddy simulation (LES) coupled to filtered density function (FDF). This coupled approach enabled the solution of the continuity, momentum, ... -
Characterizing Jetting in an Acoustic Fluidized Bed Using X Ray Computed Tomography
(The American Society of Mechanical Engineers (ASME), 2016)Understanding the jetting phenomena near the gas distributor plate in a fluidized bed is important to gas–solid mixing, heat and mass transfer, and erosion to any bed internals, which can all affect the performance of ... -
Experimental Investigation of Solid Particle Erosion in S Bend
(The American Society of Mechanical Engineers (ASME), 2016)Solid particle erosion is a micromechanical process that removes material from the surface. Erosion is a leading cause of failure in fluid handling equipment such as pumps and pipes. An investigation was conducted using ... -
Development of Three Dimensional Streamline Image Velocimetry Using Superimposed Delaunay Triangulation and Geometrical Fitting
(The American Society of Mechanical Engineers (ASME), 2016)Flow behavior in complex threedimensional (3D) microscale domains is the key in the development of microcirculatory pathologies and the design of 3D microfluidics. While numerical simulations are common practice for the ... -
Supersonic Liquid Jets Into Quiescent Gaseous Media: An Adaptive Numerical Study
(The American Society of Mechanical Engineers (ASME), 2016)A computational tool is introduced and applied to the emergence of supersonic liquid jets in quiescent compressible gas. A diffuse interface wave propagation method along with an interface sharpening technique is employed ... -
Experimental Investigation of the Interblade Flow in a Kaplan Runner at Several Operating Points Using Laser Doppler Anemometry
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents laser Doppler anemometry (LDA) measurements within the runner blade channels and at the runner outlet of a Kaplan turbine model. The model was investigated at six operating points located on two propeller ... -
Losses Due to Conduit Components: An Optimization Strategy and Its Application
(The American Society of Mechanical Engineers (ASME), 2016)In the present study, we introduce a method which we call the glass box optimization (GBO) method as a strategy how to reduce flow losses whenever numerical data based on computational fluid dynamics (CFD)results are ... -
Revisiting the Discrete Element Method for Predictions of Flows Over Rough Surfaces
(The American Society of Mechanical Engineers (ASME), 2016)The discrete element method allows predicting the flow over rough surfaces in a way consistent with the physics, contrary to the classical equivalent sand grain approach, and without requiring the meshing of all the surface ...