Journal of Fluids Engineering: Recent submissions
Now showing items 2921-2940 of 9024
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Comparison of Experiments to Computational Fluid Dynamics Models for Mixing Using Dual Opposing Jets in Tanks With and Without Internal Obstructions
(The American Society of Mechanical Engineers (ASME), 2012)This paper documents testing methods, statistical data analysis, and a comparison of experimental results to computational fluid dynamics (CFD) models for blending of fluids, which were blended ... -
Numerical Simulation of Flow Through Nuclear Fuel Bundles With Angular Misalignments
(The American Society of Mechanical Engineers (ASME), 2012)Comprehensive computational fluid dynamics (CFD) models are developed and analyzed in this paper to study the three-dimensional flow through simulated nuclear fuel bundles with angular misalignments ... -
Hydrodynamics of Jets From Guillotine Steam Generator Tube Rupture: Modeling, Analytical Results, Computational Fluid Dynamics Calculation, and Comparison With Experimental Data
(The American Society of Mechanical Engineers (ASME), 2012)In this work we study the hydrodynamics of characteristic gas jets resulting from guillotine breaks of steam generator tube rupture sequences (SGTR) in pressurized nuclear power reactors. As an ... -
Turbulent Flow in D-Type Corrugated Pipes: Flow Pattern and Friction Factor
(The American Society of Mechanical Engineers (ASME), 2012)Turbulent flow in d-type corrugated pipes of various aspect ratios has been numerically investigated in terms of flow pattern and friction factor, for Reynolds numbers ranging from 5000 to ... -
Plasma Control for a Maneuvering Low-Aspect-Ratio Wing at Low Reynolds Number
(The American Society of Mechanical Engineers (ASME), 2012)Plasma-based flow control was explored as a means of enhancing the performance of a maneuvering flat-plate wing. For this purpose, a numerical investigation was conducted via large-eddy simulation ... -
Thermal Instability of Rivlin–Ericksen Elastico-Viscous Nanofluid Saturated by a Porous Medium
(The American Society of Mechanical Engineers (ASME), 2012)Thermal instability in a horizontal layer of Rivlin–Ericksen elastico-viscous nanofluid in a porous medium is considered. A linear stability analysis based upon normal mode analysis is used to ... -
Dual-Frequency Severe Slugging in Horizontal Pipeline-Riser Systems
(The American Society of Mechanical Engineers (ASME), 2012)A new type of severe slugging is found that can occur in two-phase flow of gas and liquid in pipeline-riser systems. This instability, which will be referred to as dual-frequency severe ... -
Characteristics of Turbulent Wakes Generated by Twin Parallel Cylinders
(The American Society of Mechanical Engineers (ASME), 2012)This research aims to study the characteristics of the wake generated by twin cylinders. The cylinders are arranged in parallel side-by-side and staggered arrangements. The mainstream velocity ... -
Dependency on Runner Geometry for Reversible-Pump Turbine Characteristics in Turbine Mode of Operation
(The American Society of Mechanical Engineers (ASME), 2012)Characteristics of a reversible-pump turbine have been measured with five different leading edge profiles in turbine mode. These profiles varied the inlet blade angle and the radius of curvature. ... -
URANS Calculations for Smooth Circular Cylinder Flow in a Wide Range of Reynolds Numbers: Solution Verification and Validation
(The American Society of Mechanical Engineers (ASME), 2012)The flow around circular smooth fixed cylinder in a large range of Reynolds numbers is considered in this paper. In order to investigate this canonical case, we perform CFD calculations and ... -
An Aerodynamic Investigation of an Isolated Rotating Formula 1 Wheel Assembly
(The American Society of Mechanical Engineers (ASME), 2012)The flowfield around a 60% scale rotating Formula 1 tire in contact with the ground in a closed wind tunnel at a Reynolds number of 500,000 was examined computationally and experimentally. ... -
Influence of Blade Number on the Performance and Pressure Pulsations in a Pump Used as a Turbine
(The American Society of Mechanical Engineers (ASME), 2012)The rotor-stator interaction of a rotating impeller and a stationary volute could cause strong pressure pulsations and generate flow induced noise and vibration in a pump used as a turbine ... -
Hagen–Poiseuille Flow in Semi-Elliptic Microchannels
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, an exact solution of Hagen–Poiseuille flow in microchannels with semi-elliptic cross sections is obtained. The velocity, shear stress distribution, and the friction factor are ... -
Numerical Simulation of Emergency Shutdown Process of Ring Gate in Hydraulic Turbine Runaway
(The American Society of Mechanical Engineers (ASME), 2012)A numerical model that considers the interaction between the ring gate and its neighboring components was used to simulate the emergency shutdown process of a ring gate in hydraulic turbine ... -
Numerical Study of Circular Hydraulic Jump Using Volume-of-Fluid Method
(The American Society of Mechanical Engineers (ASME), 2011)When a vertical liquid jet impacts on a solid and horizontal surface, the liquid starts spreading radially on the surface, until a sudden increase in the fluid height occurs and a circular ... -
Coherent Structures in Shallow Water Jets
(The American Society of Mechanical Engineers (ASME), 2011)This paper reports an experimental investigation of a round jet discharging horizontally from a vertical wall into an isothermal body of water confined in the vertical direction by a flat wall ... -
Oscillatory Flow Through a Channel With Stick-Slip Walls: Complex Navier’s Slip Length
(The American Society of Mechanical Engineers (ASME), 2011)Effective slip lengths for pressure-driven oscillatory flow through a parallel-plate channel with boundary slip are deduced using a semi-analytic method of eigenfunction expansions and point matching. ... -
Flow Within a Pipe Annulus With Injection and Suction Through a Porous Wall With High Wall Reynolds Numbers
(The American Society of Mechanical Engineers (ASME), 2011)An approximate solution to the Navier–Stokes equations was found for the case describing two-dimensional steady-state laminar flow over an array of porous pipes with high wall Reynolds number. ... -
Demonstration and Validation of a 3D CFD Simulation Tool Predicting Pump Performance and Cavitation for Industrial Applications
(The American Society of Mechanical Engineers (ASME), 2011)Due to complexities in geometry and physics, computational fluid dynamics (CFD) pump simulation has historically been very challenging and time consuming, especially for cases with cavitation. ... -
Closure to “Discussion: ‘A Novel Explicit Equation for Friction Factor in Smooth and Rough Pipes’ ” (2011, ASME J. Fluids Eng., 133, p. 015501)
(The American Society of Mechanical Engineers (ASME), 2011)The discussion made by Tajadura and Gonzales (1) necessitates the clarification of the comments about our paper (2). The same notation and comment numbers are used here, to respond to the ...