Journal of Fluids Engineering: Recent submissions
Now showing items 5301-5320 of 9024
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A New Approach to Evaluate the Cavitation Erosion Power
(The American Society of Mechanical Engineers (ASME), 1998)The dynamic response of various materials exposed to liquid jet and pressure wave impacts was simulated making use of an elastoplastic solid model. Numerical pit profiles were compared to ... -
Numerical Study of the Steady-State Tip Vortex Flow Over a Finite-Span Hydrofoil
(The American Society of Mechanical Engineers (ASME), 1998) -
Simulation of the Piston Driven Flow Inside a Cylinder With an Eccentric Port
(The American Society of Mechanical Engineers (ASME), 1998)A grid-free Lagrangian approach is applied to simulate the high Reynolds number unsteady flow inside a three-dimensional domain with moving boundaries. For this purpose, the Navier-Stokes equations ... -
A Note on Particle Size Measurements in Two-Phase Flows
(The American Society of Mechanical Engineers (ASME), 1998)This paper discusses the use of a phase-Doppler anemometer to obtain the size and velocity characteristics of droplets formed and transported in a flashing water jet. In particular, the validation ... -
Prediction of Air-Water Two-Phase Flow Performance of a Centrifugal Pump Based on One-Dimensional Two-Fluid Model
(The American Society of Mechanical Engineers (ASME), 1998)To predict the performance of centrifugal pumps under air-water two-phase flow conditions, a consistent one-dimensional two-fluid model with fluid viscosity and air-phase compressibility in a ... -
Fluid Pressure Transients in a Tapered Transmission Line
(The American Society of Mechanical Engineers (ASME), 1967)Previous investigations have shown that a liquid-filled tapered tube can be used as a transformer for amplifying or reducing the magnitude of input pulses of pressure and volume flux, but the ... -
First and Second-Order Accurate Schemes for Two-Fluid Models
(The American Society of Mechanical Engineers (ASME), 1998)The six-equation two-fluid model of two-phase flow taken from the RELAP5/MOD3 computer code has been used to simulate three simple transients: a two-phase shock tube problem, the Edwards Pipe ... -
A Large-Eddy Simulation of the Near Wake of a Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 1998)The formation and the downstream transport of the Strouhal vortices in the near wake of a circular cylinder are investigated using the large-eddy simulation (LES) method. The governing equations ... -
Numerical Calculation of the Fully Developed Turbulent Flow in an Axially Rotating Pipe With a Second-Moment Closure
(The American Society of Mechanical Engineers (ASME), 1998)The effect of axial tube rotation on the fully developed pipe flow is analyzed by a low-Reynolds-number turbulence closure and compared with experimental results. A flow which is initially ... -
Detailed Damage Characteristics in a Cavitating Venturi
(The American Society of Mechanical Engineers (ASME), 1967)Detailed observations of cavitation pitting and the accompanying flow regime in cavitating venturis using water and mercury have been made. From these it is tentatively concluded that microjet ... -
Enhanced Power Spectrum Estimates Using Kalman Reconstruction
(The American Society of Mechanical Engineers (ASME), 1998)A number of power spectral density (PSD) estimators were assessed using real laser Doppler anemometer (LDA) data from grid generated turbulence. PSD estimates from the raw data via the slotting ... -
Skin Friction Measurements in a Gas-Liquid Pipe Flow Via Optical Interferometry
(The American Society of Mechanical Engineers (ASME), 1998)An instrument for the measurement of wall shear stress in two-phase flows is described. The device, termed a Laser Interferometer Skin Friction (LISF) meter, determines the wall shear by optically ... -
Statistical Model of a Self-Similar Turbulent Plane Shear Layer
(The American Society of Mechanical Engineers (ASME), 1998)A turbulence probability density function (pdf) equation model is employed to solve a self-similar turbulent plane shear layer. The proper similarity variable was introduced into the problem of ... -
The Effect of Viscous Shear on Transients in Liquid Lines
(The American Society of Mechanical Engineers (ASME), 1967)Two separate experiments were performed and the results were compared with theory: (1) The propagation of a short, rectangular pulse of pressure in a cylindrical tube of previously undisturbed ... -
Study on the Deposition Profile Characteristics in the Micron-Scale Trench Using Direct Simulation Monte Carlo Method
(The American Society of Mechanical Engineers (ASME), 1998)As integrated circuits are advancing toward smaller device features, step-coverage in submicron trenches and holes in thin film deposition are becoming of concern. Deposition consists of gas flow ... -
Anisotropy Invariants of Reynolds Stress Tensor in a Duct Flow and Turbulent Boundary Layer
(The American Society of Mechanical Engineers (ASME), 1998)The present study shows that the Reynolds stress anisotropy tensor for turbulent flow depends both on the nature of the surface and the boundary conditions of the flow. Contrary to the case ... -
Numerical Simulation of Turbulent Jets With Rectangular Cross-Section
(The American Society of Mechanical Engineers (ASME), 1998)Three-dimensional turbulent jets with rectangular cross-section are simulated with a finite-difference numerical method. The full Navier-Stokes equations are solved at a low Reynolds number, whereas ... -
CFD Simulation and Experimental Validation of a New Closed Circuit Wind/Water Tunnel Design
(The American Society of Mechanical Engineers (ASME), 1998)A new closed-circuit wind/water tunnel to support flow visualization research was designed and constructed at The University of Aberdeen. Review of existing closed-circuit tunnel designs revealed ... -
An Implicit Multigrid Scheme for the Compressible Navier-Stokes Equations With Low-Reynolds-Number Turbulence Closure
(The American Society of Mechanical Engineers (ASME), 1998)A multigrid method for convergence acceleration is used for solving coupled fluid and turbulence transport equations. For turbulence closure a low-Reynolds-number q-ω turbulence model is employed, ... -
Experimental and Numerical Investigation Into the Flow Characteristics of Channels Etched in 〈100〉 Silicon
(The American Society of Mechanical Engineers (ASME), 1998)This paper describes the experimental and numerical techniques utilized to determine the flow characteristics of a series of trapezoidal channels. The channels, with hydraulic diameters ranging ...