Journal of Fluids Engineering: Recent submissions
Now showing items 3321-3340 of 9024
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Comparison of Lagrangian and Eulerian Simulations of Slurry Flows in a Sudden Expansion
(The American Society of Mechanical Engineers (ASME), 2010)From a review of technical literature, it was not apparent if the Lagrangian or the Eulerian dispersed phase modeling approach was more valid to simulate dilute erosive slurry flow. In this ... -
Dynamic Modeling of Hydrokinetic Energy Extraction
(The American Society of Mechanical Engineers (ASME), 2010)The world is facing an imminent energy crisis. In order to sustain our energy supply, it is necessary to advance renewable technologies. Despite this urgency, however, it is paramount to ... -
Improvement of the Performance of a Centrifugal Compressor by Modifying the Volute Inlet
(The American Society of Mechanical Engineers (ASME), 2010)In centrifugal compressors, the diffuser and the volute have strong influences on the flow discharged from the impeller and thus also on the performance. In particular, a key parameter is the ... -
The Application of Eddy-Viscosity Stress Limiters for Modeling Cross-Flow Separation
(The American Society of Mechanical Engineers (ASME), 2010)The ability of eddy-viscosity models to simulate the turbulent wake produced by cross-flow separation over a curved body of revolution is assessed. The results obtained using the standard k−ω ... -
Impact of Fan Gap Flow on the Centrifugal Impeller Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2010)The effect of a gap between an inlet duct and a rotating impeller in a centrifugal fan is often neglected in the impeller design calculations or design-related computational fluid dynamics ... -
Three-Dimensional Vortex Method for the Simulation of Bubbly Flow
(The American Society of Mechanical Engineers (ASME), 2010)This study proposes a three-dimensional vortex method for the simulation of bubbly flow. The method discretizes the vorticity field by vortex elements. The behavior of the vortex element and ... -
Experimental and Numerical Study of Laminar Round Jet Flows Along a Wall
(The American Society of Mechanical Engineers (ASME), 2010)In the present study, both experimental and numerical techniques were employed to study three-dimensional laminar wall jet flows. The wall jet was created using a circular pipe of diameter ... -
Stokes Flow Through a Periodically Grooved Tube
(The American Society of Mechanical Engineers (ASME), 2010)This is an analytical study on Stokes flow through a tube of which the wall is patterned with periodic transverse grooves filled with an inviscid gas. In one period of the pattern, the fluid ... -
Non-Newtonian Drops Spreading on a Flat Surface
(The American Society of Mechanical Engineers (ASME), 2010)The objective of this study is to develop a computational model that accurately describes the dynamic behavior of a non-Newtonian power-law film formed after a drop impinges on a flat surface. ... -
Numerical Prediction of Impact Force in Cavitating Flows
(The American Society of Mechanical Engineers (ASME), 2010)A numerical method including a macroscopic cavitation model based on the homogeneous flow theory and a microscopic cavitation model based on the bubble dynamics is proposed for the prediction ... -
Relationship between accuracy and number of velocity particles of the finite-difference lattice Boltzmann method in velocity slip simulations
(The American Society of Mechanical Engineers (ASME), 2010)Relationship between accuracy and number of velocity particles in velocity slip phenomena was investigated by numerical simulations and theoretical considerations. Two types of 2D models were used: ... -
Free Molecule Flow Through a Vacuum Seal
(The American Society of Mechanical Engineers (ASME), 1970)An analysis is made of the rate of the mass flow through a vacuum seal separating two rarefied gas environments. The determination of the mass throughflow characteristics involves the formulation ... -
Rotational and Quasiviscous Cold Flow Models for Axisymmetric Hybrid Propellant Chambers
(The American Society of Mechanical Engineers (ASME), 2010)In this work, we present two simple mean flow solutions that mimic the bulk gas motion inside a full-length, cylindrical hybrid rocket engine. Two distinct methods are used. The first is based ... -
Unsteady Peristaltic Pumping in a Finite Length Tube With Permeable Wall
(The American Society of Mechanical Engineers (ASME), 2010)Peristaltic transport due to a sinusoidal wave traveling on the boundary of a tube filled with an incompressible fluid is presented. Solution is obtained under infinite wavelength and zero ... -
Relaminarization of Axisymmetric Turbulent Flow With Combined Axial Jet and Side Injection in a Pipe
(The American Society of Mechanical Engineers (ASME), 2010)The effect of side mass injection on turbulent flow with axial entry to a circular duct in the form of centrally confined jet has been investigated. A standard κ-ε model modified for streamline ... -
Parallel Flow Through Ordered Fibers: An Analytical Approach
(The American Society of Mechanical Engineers (ASME), 2010)In this study, fully developed flow parallel to ordered fibers is investigated analytically. The considered fibrous media are made up of in-line (square), staggered, and hexagonal arrays of ... -
Viscous Disk Air Flow Displacement Device (VDAFDD): Development and Performance
(The American Society of Mechanical Engineers (ASME), 2010)The development and performance of a unique viscous disk air flow displacement device (or VDAFDD) for inducing airflow in confined spaces is described. The development is motivated by electronic ... -
Discussion: “Mechanisms of Metal Removal by Impacting Dust Particles” (Smeltzer, C. E., Gulden, M. E., and Compton, W. A., 1970, ASME J. Basic Eng., 92, pp. 639–652)
(The American Society of Mechanical Engineers (ASME), 1970) -
Integral Force/Moment Waterjet Model for CFD Simulations
(The American Society of Mechanical Engineers (ASME), 2010)An integral force/moment waterjet model for computational fluid dynamics (CFD) is derived for ship local flow/powering predictions, including sinkage and trim. The waterjet induced reaction forces ... -
Numerical and Experimental Study on Jet Trajectories and Mixing Behavior of Venturi-Jet Mixer
(The American Society of Mechanical Engineers (ASME), 2010)An investigation of the jet trajectories and mixing behavior of venturi-jet mixers, in which turbulent jet injects fluid at an arbitrary angle to mix incompressible fluids, is described in this ...