Journal of Fluids Engineering: Recent submissions
Now showing items 1281-1300 of 9024
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Design and Validation of a Recirculating, High-Reynolds Number Water Tunnel
(The American Society of Mechanical Engineers (ASME), 2018)Commercial water tunnels typically generate a momentum thickness based Reynolds number (Reθ) ∼1000, which is slightly above the laminar to turbulent transition. The current work compiles the literature on the design of ... -
Effects of Stall Precursor-Suppressed Casing Treatment on a Low-Speed Compressor With Swirl Distortion
(The American Society of Mechanical Engineers (ASME), 2018)Swirl inlet distortion is usually encountered in modern flight vehicles since their inlet ducts usually consist of one or two bends, such as S-inlet duct. An experimental device is first designed to simulate the swirl inlet ... -
Computational Fluid Dynamics Modeling of Flashing Flow in Convergent-Divergent Nozzle
(The American Society of Mechanical Engineers (ASME), 2018)In this paper, a computational fluid dynamics model of flashing flow, which considers the thermal nonequilibrium effect, has been proposed. In the proposed model, based on the two-phase mixture approach, the phase-change ... -
Prediction of the Effect of Impeller Trimming on the Hydraulic Performance of Low Specific-Speed Centrifugal Pumps
(The American Society of Mechanical Engineers (ASME), 2018)The effect of trimming of radial impellers on the hydraulic performance of low specific-speed centrifugal pumps is studied. Prediction methods from literature, together with a new prediction method that is based on the ... -
Quantifying the Direct Influence of Diffusive Mass Transfer in Rarefied Gas Mixing Simulations
(The American Society of Mechanical Engineers (ASME), 2018)This work utilizes the direct simulation Monte Carlo (DSMC) calculations and examines the influence of rarefication on the mixing length and effective diffusion coefficient in a two-species mixing problem. There have been ... -
Discharge Coefficients for Circular Side Outlets
(The American Society of Mechanical Engineers (ASME), 2018)Fluid distributors are widely used in various industrial and ventilation applications. For the appropriate design of such distributors, the discharge coefficient has to be known to predict the energy and fluid distribution ... -
Hydrodynamic Investigation of a Wafer Rinse Process Through Numerical Modeling and Flow Visualization Methods
(The American Society of Mechanical Engineers (ASME), 2018)In the current semiconductor industrial scenario, wafers are rinsed in an overflow rinsing tank while being mounted on several lifters prior to most of its manufacturing processes. However, a major drawback of this overflow ... -
Drag and Side Force Analysis on Bicycle Wheel–Tire Combinations
(The American Society of Mechanical Engineers (ASME), 2018)Aerodynamic forces on bicycle racing wheels were investigated experimentally in a wind tunnel facility at the University of Calgary. The main geometric parameters investigated were the tire sidewall width, (21.40 mm≤T≤26.15 mm), ... -
Special Issue on Flows in Rotating Machinery
(The American Society of Mechanical Engineers (ASME), 2018) -
An Optimized Artificial Neural Network Unifying Model for Steady-State Liquid Holdup Estimation in Two-Phase Gas–Liquid Flow
(The American Society of Mechanical Engineers (ASME), 2018)Simplifying assumptions and empirical closure relations are often required in existing two-phase flow modeling based on first-principle equations, hence limiting its prediction accuracy and in some instances compromising ... -
Smoothed Particle Hydrodynamics Simulation of an Air-Assisted Atomizer Operating at High Pressure: Influence of Non-Newtonian Effects
(The American Society of Mechanical Engineers (ASME), 2018)A twin-fluid atomizer configuration is predicted by means of the two-dimensional (2D) weakly compressible smooth particle hydrodynamics (SPH) method and compared to experiments. The setup consists of an axial liquid jet ... -
Radial Pressure Wave Behavior in Transient Laminar Pipe Flows Under Different Flow Perturbations
(The American Society of Mechanical Engineers (ASME), 2018)The study of transient pressure waves in both low- and high-frequency domains has become a new research area to provide potentially high-resolution pipe fault detection methods. In previous research works, radial pressure ... -
Simulations of Twin Turbulent Planar-Like Jets Injected Into a Large Volume Using RANS
(The American Society of Mechanical Engineers (ASME), 2018)The complex behavior of thermal fluids in nuclear reactors require the usage of computational fluid dynamics (CFD) codes for design and analysis. In order to use CFD codes, they require regular benchmark problems to ensure ... -
Erratum: “Numerical Investigations of Pressure Distribution Inside a Ventilated Supercavity” [ASME J. Fluids Eng., 2017, 139(2), p. 021301; DOI: 10.1115/1.4035027]
(The American Society of Mechanical Engineers (ASME), 2018) -
Vortex Dynamics in the Wake of Three Generic Types of Freestream Turbines
(The American Society of Mechanical Engineers (ASME), 2018)An analysis of the vortex dynamics in the wake of three different freestream turbine concepts is conducted to gain a better understanding of the main processes affecting the energy recovery in their wakes. The turbine ... -
Properties of the Turbulent Mixing Layer in a Spherical Implosion
(The American Society of Mechanical Engineers (ASME), 2018)We describe the behavior of a multimode interface that degenerates into a turbulent mixing layer when subjected to a spherical implosion. Results are presented from three-dimensional (3D) numerical simulations performed ... -
Effect of a Single Leading-Edge Protuberance on NACA 634-021 Airfoil Performance
(The American Society of Mechanical Engineers (ASME), 2018)Effect of a Single Leading-Edge Protuberance on NACA 634-021 Airfoil Performance;Leading-edge protuberances on airfoils or wings have been considered as a viable passive control method for flow separation. In this paper, ... -
Numerical Investigation of Crossflow Separation on the A-Pillar of a Passenger Car
(The American Society of Mechanical Engineers (ASME), 2018)The flow around passenger cars is characterized by many different separation structures, typically leading to vortices and areas of reversed flow. The flow phenomena in these patches show a strong interaction and the ... -
Identification of Bypass Transition Onset Markers Using Direct Numerical Simulation
(The American Society of Mechanical Engineers (ASME), 2018)Efficacy of several large-scale flow parameters as transition onset markers are evaluated using direct numerical simulation (DNS) of boundary layer bypass transition. Preliminary results identify parameters (k2D/ν) and ... -
Three-Dimensional Numerical and Experimental Simulation of Wave Run-Up Due to Wave Impact With a Vertical Surface
(The American Society of Mechanical Engineers (ASME), 2018)This paper describes a numerical simulation of the interaction of a single nonlinear wave with a solid vertical surface in three dimensions. A coupled volume of fluid (VOF) and level set method (LSM) is used to simulate ...