Journal of Fluids Engineering: Recent submissions
Now showing items 2201-2220 of 9024
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Characteristics of Flow Structures in the Wake of a Bed Mounted Bluff Body in Shallow Open Channels
(The American Society of Mechanical Engineers (ASME), 2015)The characteristics of the flow structures observed in the wake of a bluff body mounted vertically on the bed and normal to the flow in a shallow open channel are investigated using detached eddy simulation (DES). The flow ... -
Some Exact Analytical Solutions for Two Dimensional Flow of an Incompressible Second Grade Fluid
(The American Society of Mechanical Engineers (ASME), 2015)This investigation deals with some exact analytical solutions of the incompressible second grade fluid by using the method based on the separation of variables. In many cases, this method can derive exact analytical solutions ... -
Experimental and Numerical Investigations Using Lattice Boltzmann Method to Study Shedding Vortices in an Unsteady Confined Flow Around an Obstacle
(The American Society of Mechanical Engineers (ASME), 2015)Lattice Boltzmann equation with Bhatnagar–Gross–Krook (BGK) model is applied to simulate unsteady laminar flow around a confined square obstacle, in order to study the vortex shedding and their interaction in the flow ... -
Structure and Dynamics of Bounded Vortex Flows With Different Nozzle Heights
(The American Society of Mechanical Engineers (ASME), 2015)A bounded vortex flow is generated by a nozzle with a central suction outlet surrounded by inlet jets with a 15 deg inclination in the azimuthal direction. The jets impinge on a flat surface called the impingement surface. ... -
Oscillatory Flow Between Two Hemispheres for Shearing Protein Solution
(The American Society of Mechanical Engineers (ASME), 2015)Protein aggregation, one of the common molecular mechanisms for neurodegenerative diseases, is affected by variety of physical factors, one of which is shear rate of protein solution. This paper provides theoretical ... -
Poiseuille Flow and Thermal Transpiration of a Rarefied Gas Between Parallel Plates: Effect of Nonuniform Surface Properties of the Plates in the Transverse Direction
(The American Society of Mechanical Engineers (ASME), 2015)Poiseuille flow and thermal transpiration of a rarefied gas between parallel plates with nonuniform surface properties in the transverse direction are studied based on kinetic theory. We considered a simplified model in ... -
Investigation of Supersonic Jet Interaction With Hypersonic Cross Flow
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents the interaction of a highly underexpanded supersonic jet of Mjet = 3.19 with hypersonic cross flow (Mâˆâ€‰= 6). The jet interaction flowfield was studied through wall static pressure measurement, ... -
Inverse Computational Fluid Dynamics: Influence of Discretization and Model Errors on Flows in Water Network Including Junctions
(The American Society of Mechanical Engineers (ASME), 2015)We address the reconstruction of relevant twodimensional (2D) flows in drinking water networks, especially in key elements such as pipe junctions, in view of representative water quality simulations. From the optimal control ... -
Study on the Air Core Formation of a Gas–Liquid Separator
(The American Society of Mechanical Engineers (ASME), 2015)The gas–liquid separator is a key component in the gas removal system in thorium molten salt reactor (TMSR). In this paper, an experimental study focusing on the gas core formation in the gas–liquid separator was carried ... -
The Flow Field in a Virtual Model of a Rotary Kiln as a Function of Inlet Geometry and Momentum Flux Ratio
(The American Society of Mechanical Engineers (ASME), 2015)The rotary kiln is the middle part of a gratekiln iron ore pelletizing process and consists of a large, cylindrical rotating oven with a burner in one end. The flame is the heart of the process, delivering the necessary ... -
A Parametric Study of Turbulent Flow Past a Circular Cylinder Using Large Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2015)Flow over a circular cylinder at a Reynolds number of 3900 is investigated using large eddy simulations (LES) to assess the affect of four numerical parameters on the resulting flowfield. These parameters are subgrid scale ... -
Near Field Development of Planar Wakes Under the Effect of Asymmetric Initial Conditions
(The American Society of Mechanical Engineers (ASME), 2015)This paper reports an experimental investigation on the response of a planar wake past a flat plate to various upstream flow conditions. A tripping wire was placed on the upper side of the flat plate downstream the leading ... -
Onset of Flash Atomization in a Propellant Microjet
(The American Society of Mechanical Engineers (ASME), 2015)The parameters affecting the onset of flashing in microjets were studied. A custom atomizer assembly was designed to produce jets of propellant mixtures at different temperatures. Propellants chosen were HFA134a and HFA227ea, ... -
Recent Advances in Physics of Fluid Parametric Sloshing and Related Problems
(The American Society of Mechanical Engineers (ASME), 2015)Liquid parametric sloshing, known also as Faraday waves, has been a long standing subject of interest. The development of the theory of Faraday waves has witnessed a number of controversies regarding the analytical treatment ... -
Active Control of a Stalled Airfoil Through Steady or Unsteady Actuation Jets
(The American Society of Mechanical Engineers (ASME), 2015)The active control of the leadingedge (LE) separation on the suction surface of a stalled airfoil (NACA 0012) at a Reynolds number of 106 based on the chord length is investigated through a computational study. The actuator ... -
An Enhanced One Layer Passive Microfluidic Mixer With an Optimized Lateral Structure With the Dean Effect
(The American Society of Mechanical Engineers (ASME), 2015)Topology optimization method is applied to a contraction–expansion structure, based on which a simplified lateral flow structure is generated using the Boolean operation. A new onelayer mixer is then designed by sequentially ... -
A Stepping Microrobot Controlled by Flow Oscillations
(The American Society of Mechanical Engineers (ASME), 2015)A selflocomotive microrobot can be a key technology for medical applications, manufacturing, or micro total analysis systems (خ¼TAS). Although previous studies have mostly used magnetic, electric, chemical, or optical ... -
Magneto Gas Kinetic Method for Nonideal Magnetohydrodynamics Flows: Verification Protocol and Plasma Jet Simulations
(The American Society of Mechanical Engineers (ASME), 2015)In this work, the gaskinetic method (GKM) is enhanced with resistive and Hall magnetohydrodynamics (MHD) effects. Known as MGKM (for MHD–GKM), this approach incorporates additional source terms to the momentum and energy ... -
Uniform Flow Over a Bi axial Stretching Surface
(The American Society of Mechanical Engineers (ASME), 2015)The uniform flow over a biaxial stretching surface is studied by similarity transform of the Navier–Stokes equations and an efficient numerical integration of the resulting ordinary differential equations. The uniform ... -
Improvement of Hydrodynamic Performance of a Multiphase Pump Using Design of Experiment Techniques
(The American Society of Mechanical Engineers (ASME), 2015)Multiphase pumps for offshore plants must perform at high pressure because they are installed on deepsea floors to pressurize and transfer crude oil in oil wells. As the power for operating pumps should be supplied to deep ...