Journal of Fluids Engineering: Recent submissions
Now showing items 5381-5400 of 9024
-
Identification of Coherent Structure in Turbulent Shear Flow With Wavelet Correlation Analysis
(The American Society of Mechanical Engineers (ASME), 1998)In order to identify coherent structure of turbulent shear flow, a new combination of familiar techniques of signal processing, called wavelet correlation analysis, is developed based on the ... -
Elements of an Approach to the Assessment of Systematic Uncertainty in Transient Measurements
(The American Society of Mechanical Engineers (ASME), 1998)Although there has been an increasing interest in experimental research investigating time-dependent fluid phenomena, accepted methods for assessing and reporting measurement uncertainty, i.e., those ... -
The Influence of Atomizing Gas Molecular Weight on Low Mass Flowrate Effervescent Atomizer Performance
(The American Society of Mechanical Engineers (ASME), 1998)The relationship between atomizing gas molecular weight and spray mean drop size, Rosin-Rammler distribution parameter, and number averaged drop velocity is reported for a low mass flowrate ... -
Experimental Investigations of Free-Surface Aeration in the Developing Flow of Two-Dimensional Water Jets
(The American Society of Mechanical Engineers (ASME), 1998)Turbulent water jets discharging into the atmosphere are often characterized by a substantial amount of free-surface aeration. The effects can be detrimental or beneficial. In any case, the ... -
Instability of Taylor Vortex and Nonaxisymmetric Modes in Flow Between Rotating Porous Cylinders
(The American Society of Mechanical Engineers (ASME), 1998)A numerical solution of linear differential equations governing the instability of Taylor vortex and nonaxisymmetric modes inflow between rotating porous cylinders is present. Solutions take into ... -
A New Calibration Method for Dynamically Loaded Transducers and Its Application to Cavitation Impact Measurement
(The American Society of Mechanical Engineers (ASME), 1998)The erosion produced by cavitation is a serious problem in hydraulic machinery. During investigations of the dynamic loading generated by collapsing cavitation on a surface, a dynamic pressure ... -
On the Creation of Stagnation Points in a Rotating Flow
(The American Society of Mechanical Engineers (ASME), 1998)We report the results of a numerical study of the creation of stagnation points in a rotating cylinder of fluid where both endwalls are rotated. Good agreement is found with previous results ... -
The Interaction of Spinning Liquid Film With Swirling Gas in Cylindrical Vessel—Experiments and Numerical Simulations
(The American Society of Mechanical Engineers (ASME), 1998)Experimental flow visualizations and numerical simulations of the interaction of a spinning liquid film with a swirling gas in a cylindrical vessel are reported. A gas/liquid flow that simulates ... -
Recirculation Zones in a Cylindrical Container
(The American Society of Mechanical Engineers (ASME), 1998)The flow field induced inside a cylindrical container by the rotation of the two end walls is described. It is shown that stagnation points leading to separation bubbles occur on the axis ... -
A Three-Dimensional Analysis of Rotordynamic Forces on Whirling and Cavitating Helical Inducers
(The American Society of Mechanical Engineers (ASME), 1998)This paper investigates the linearized dynamics of three-dimensional bubbly cavitating flows in helical inducers. The purpose is to understand the impact of the bubble response on the radial and ... -
Prediction of Cavitation Erosion: An Energy Approach
(The American Society of Mechanical Engineers (ASME), 1998)The objective is to define a prediction and transposition model for cavitation erosion. Experiments were conducted to determine the energy spectrum associated with a leading edge cavitation. Two ... -
Cavitation Damage Studies With Rotating Disk in Water
(The American Society of Mechanical Engineers (ASME), 1967)The cavitation damage resistance of alloys of aluminum, columbium (niobium), tantalum, molybdenum, and stainless steel was evaluated in water using a rotating disk apparatus that simulated the ... -
Centrifugal Pump Performance Drop Due to Leading Edge Cavitation: Numerical Predictions Compared With Model Tests
(The American Society of Mechanical Engineers (ASME), 1998)The aim of this paper is to present the results obtained with a 3-D numerical method allowing the prediction of the cavitation behavior of a centrifugal pump and to compare this prediction ... -
Coupling Between a Viscoelastic Gas/Liquid Interface and a Swirling Vortex Flow
(The American Society of Mechanical Engineers (ASME), 1998)While the structure and dynamics of boundary layers on rigid no-slip walls in rotation dominated enclosed flows are still an area of active research, the interactions between rotating or swirling ... -
Nonlinear Spin-Up of a Rotating Stratified Fluid: Theory
(The American Society of Mechanical Engineers (ASME), 1998)We consider the boundary layer that forms on the wall of a rotating container of stratified fluid when altered from an initial state of rigid body rotation. The container is taken to have ... -
Elastic Constants of Magnesium Thorium Alloy
(The American Society of Mechanical Engineers (ASME), 1967)The longitudinal and shear wave velocities in a polycrystalline sample of magnesium thorium alloy were measured by a pulse transmission technique as a function of temperature. Temperatures ranged ... -
Particle Entrainment in a Bounded Rotating Flow With a Drain
(The American Society of Mechanical Engineers (ASME), 1998)A bathtub vortex is usually formed at the axis of a drain. In the presence of such a vortex, gravity separation of solid impurities lighter than the embedding fluid is modified by centrifugal ... -
Modeling of Cavitation and Multiphase Flows in Complex Environments
(The American Society of Mechanical Engineers (ASME), 1998) -
Nonlinear Spin-Up of a Rotating Stratified Fluid: Experimental Method and Preliminary Results
(The American Society of Mechanical Engineers (ASME), 1998)We consider the nonlinear spin-up of a rotating stratified fluid in a conical container. An analysis of similarity-type solutions to the relevant boundary-layer problem (Duck et al, 1997) has ... -
Flow Structure in a Rayleigh-Bénard Cell Upon Impulsive Spin-Up
(The American Society of Mechanical Engineers (ASME), 1998)We investigate convection in a cylindrical Rayleigh-Bénard cell with radius-to-height ratio Γ = 1/2. The cell is subjected to impulsive spin-up about its vertical axis. We use TLC (thermochromic ...