Journal of Fluids Engineering: Recent submissions
Now showing items 2861-2880 of 9024
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Computational Analysis of Marine-Propeller Performance Using Transition-Sensitive Turbulence Modeling
(The American Society of Mechanical Engineers (ASME), 2012)Almost all computational fluid dynamics (CFD) simulations of flow around marine propellers use turbulence models that are only well suited for fully turbulent flows, which in some cases may ... -
Three-Dimensional Effects on an Oscillating-Foil Hydrokinetic Turbine
(The American Society of Mechanical Engineers (ASME), 2012)Three-dimensional hydrodynamic losses are assessed in this investigation for a foil oscillating sinusoidally in a combined heave and pitch motion with large amplitudes. Simulations are performed ... -
The Drag Coefficient and the Shape for a Single Bubble Rising in Non-Newtonian Fluids
(The American Society of Mechanical Engineers (ASME), 2012)The dynamical characteristic of a single bubble rising in non-Newtonian fluid was investigated experimentally. The bubble aspect ratio and rising velocity were measured by high speed camera. The ... -
Study of Near-Stall Flow Behavior in a Modern Transonic Fan With Compound Sweep
(The American Society of Mechanical Engineers (ASME), 2012)Detailed flow behavior in a modern transonic fan with a compound sweep is investigated in this paper. Both unsteady Reynolds-averaged Navier-Stokes (URANS) and large eddy simulation (LES) methods ... -
Numerical Investigations and Performance Experiments of a Deep-Well Centrifugal Pump With Different Diffusers
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, the design methodology of a new type of three-dimensional surface return diffuser (3DRD) is presented and described in detail. The main goal was to improve the hydrodynamic ... -
Clayton Crowe – The Legacy of a Teacher and Pioneer Researcher in Multiphase Flow
(The American Society of Mechanical Engineers (ASME), 2012) -
Characteristics of Mean Droplet Size Produced by Spinning Disk Atomizers
(The American Society of Mechanical Engineers (ASME), 2012)Characteristics of mean droplet size of spray produced by spinning disk atomizers were experimentally investigated. The phase-doppler particle analyzer (PDPA) was used to measure the droplet size ... -
Analysis and Optimization of a Vaned Diffuser in a Mixed Flow Pump to Improve Hydrodynamic Performance
(The American Society of Mechanical Engineers (ASME), 2012)Hydrodynamic analysis and an optimization of a vaned diffuser in a mixed-flow pump are performed in this work. Numerical analysis is carried out by solving three-dimensional Reynolds-averaged ... -
Discussion: “Effect of Corrugated Roughness on Developed Laminar Flow in Microtubes,” (Duan, Z. and Muzychka, Y. M., 2008, ASME Trans. J. Fluids Eng., 130, p. 031102)
(The American Society of Mechanical Engineers (ASME), 2012)Fully developed continuum flow through corrugated tubes with slip at the boundary is solved by perturbations and the results are compared with the work of Duan and Muzychka (Duan and Muzychka, ... -
Experiments on Cake Development in Crossflow Filtration for High Level Waste
(The American Society of Mechanical Engineers (ASME), 2012)Crossflow filtration is a key process step in many operating and planned waste treatment facilities to separate undissolved solids from supernatant slurries. This separation technology generally ... -
Comparisons of Annular Hydrodynamic Structures in 3D Fluidized Beds Using X-Ray Computed Tomography Imaging
(The American Society of Mechanical Engineers (ASME), 2012)Fluidized beds are common equipment in many process industries. Knowledge of the hydrodynamics within a fluidized bed on the local scale is important for the improvement of scale-up and process ... -
Analytical Simulation of Annular Two-Phase Flow Considering the Four Involved Mass Transfers
(The American Society of Mechanical Engineers (ASME), 2012)Efficiently employing two-phase flows for cooling objectives requires comprehensive knowledge of their behavior in different conditions. Models, capable of predicting heat transfer and fluid flow ... -
Influence of the Blade Number on Inducer Cavitating Behavior
(The American Society of Mechanical Engineers (ASME), 2012)Effects of the blade number on the performance of a rocket engine turbopump inducer are investigated in the present paper. For that purpose, two inducers characterized by three blades and five ... -
Modeling the Onset of Gas Entrainment in a Reduced T-Junction With Co-Current Stratified Gas-Liquid Flow
(The American Society of Mechanical Engineers (ASME), 2012)A model was developed to predict the onset of gas entrainment in a single downward oriented branch. The branch was installed on a horizontal square cross-sectional channel having a smooth ... -
Numerical Analysis of External Gear Pumps Including Cavitation
(The American Society of Mechanical Engineers (ASME), 2012)Hydraulic machines are faced with increasingly severe performance requirements. The need to design smaller and more powerful machines rotating at higher speeds in order to provide increasing ... -
Stagnation Point Flow through a Porous Medium towards a Radially Stretching Sheet in the Presence of Uniform Suction or Injection and Heat Generation
(The American Society of Mechanical Engineers (ASME), 2012)An analysis is made of the steady laminar axisymmetric stagnation point flow of an incompressible viscous fluid in a porous medium impinging on a permeable radially stretching sheet with heat ... -
Measurement and Observation of Jet Thrust for Water Flow Through Micro-Orifice
(The American Society of Mechanical Engineers (ASME), 2012)Owing to the many potential industrial and biological applications of microfluid mechanics, it has recently become an attractive research topic. However, researchers have mainly concentrated on ... -
Unsteady Pressure Analysis of a Swirling Flow With Vortex Rope and Axial Water Injection in a Discharge Cone
(The American Society of Mechanical Engineers (ASME), 2012)The variable demand of the energy market requires that hydraulic turbines operate at variable conditions, which includes regimes far from the best efficiency point. The vortex rope developed at ... -
Boundary-Layer Flow and Heat Transfer of Nanofluid Over a Vertical Plate With Convective Surface Boundary Condition
(The American Society of Mechanical Engineers (ASME), 2012)The problem of boundary layer flow and heat transfer induced due to nanofluid over a vertical plate is investigated. The transport equations employed in the analysis include the effect of ... -
Analytic Approximations for Cooling Turbine Disks
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, we use the homotopy analysis method as a tool to obtain analytic approximations to the nonlinear problem of the cooling of turbine disks with a non-Newtonian viscoelastic fluid. ...