Journal of Fluids Engineering: Recent submissions
Now showing items 5141-5160 of 9024
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Comparison of Flying-Hot-Wire and Stationary-Hot-Wire Measurements of Flow Over a Backward-Facing Step
(The American Society of Mechanical Engineers (ASME), 1999)This paper is concerned with measurements of the flow field in the separated flow region behind a backward-facing step. The main instrument used in this research was Flying X Hot-Wire Anemometry ... -
Experimental Investigations of Steady Flow in a Tube With Circumferential Wall Cavity
(The American Society of Mechanical Engineers (ASME), 1999)The problem of an axisymmetrical laminar flow past a square cavity was treated experimentally. The cavity flow patterns obtained in flow visualization were of a special interest. Some geometrical ... -
Flow Measurements in a Fishtail Diffuser With Strong Curvature
(The American Society of Mechanical Engineers (ASME), 1999)The paper presents detailed measurements of the incompressible flow development in a large-scale 90 deg curved diffuser with strong curvature and significant streamwise variation in cross-sectional ... -
Unstable Asymmetric Modes of a Liquid Jet
(The American Society of Mechanical Engineers (ASME), 1999)This paper reports the results of a linear instability analysis for a viscous liquid jet injecting into a quiescent inviscid gas medium with three-dimensional disturbances. A dispersion equation ... -
Near Surface Characterization of an Impinging Elliptic Jet Array
(The American Society of Mechanical Engineers (ASME), 1999)In this study naturally occurring large-scale structures and some turbulence characteristics within an impinging jet array are investigated. The dynamics of a three-by-three elliptic jet array are ... -
A Domain Decomposition Approach for Incompressible Flows Past Multiple Objects
(The American Society of Mechanical Engineers (ASME), 1999)A domain decomposition approach has been developed to solve for flow around multiple objects. The method combines features of mask and multigrid algorithm implemented within the general framework ... -
Energy Concentrated and Self-Resonating Mini-Extended Jet Nozzle Used for Jet Drilling
(The American Society of Mechanical Engineers (ASME), 1999)Theoretical, experimental, and field test studies of the self-resonating pulsating jet have been carried out. The interaction mechanism of vortices and outlet wall is described. On the basis of ... -
The Effects of Secondary Flow and Passive Injection on the Motion of Solid Particles Entrained in Flow Through a Curved Converging Channel
(The American Society of Mechanical Engineers (ASME), 1999)The three-dimensional effects of secondary flow, passive injection, and particle size on the motion of solid particles entrained in a laminar, incompressible flow through a curved, converging, ... -
Monotonic Convergence Property of Turbulent Flow Solution With Central Difference and QUICK Schemes
(The American Society of Mechanical Engineers (ASME), 1999)Monotonic convergence of numerical solutions with the computational grid refinement is an essential requirement in estimating the grid-dependent uncertainty of computational fluid dynamics. If the ... -
Theoretical Modeling of Central Air-Jet Pump Performance for Pneumatic Transportation of Bulk Solids
(The American Society of Mechanical Engineers (ASME), 1999)A mathematical model to predict the air-solids performance of central air-jet pumps has been developed based on the fundamentals of fluid and particle mechanics. The influence of throat entry ... -
Jets in a Crossflow: Effects of Geometry and Blowing Ratio
(The American Society of Mechanical Engineers (ASME), 1999)The flow field characteristics of three different geometries of square jets in a crossflow at various blowing ratios are examined. The geometries considered are: perpendicular, streamwise-inclined, ... -
The Cavermod Device: Force Measurements
(The American Society of Mechanical Engineers (ASME), 1999)The Cavermod device, as described in the companion paper (Filali et al., 1999), allows us to produce the axial collapse of a cavitating vortex at high velocities. From a global point of view, ... -
Steady and Unsteady Computations of Turbulent Flows Induced by a 4/45° Pitched-Blade Impeller
(The American Society of Mechanical Engineers (ASME), 1999)The present paper summarizes steady and unsteady computations of turbulent flow induced by a pitched-blade turbine (four blades, 45° inclined) in a baffled stirred tank. Mean flow and ... -
Predictable Model for Characteristics of One-Dimensional Solid-Gas-Liquid Three-Phase Mixtures Flow Along a Vertical Pipeline With an Abrupt Enlargement in Diameter
(The American Society of Mechanical Engineers (ASME), 1999)This paper treats the numerical analysis of the rising process of a solid-gas-liquid three-phase mixture along a vertical pipeline with an abrupt enlargement in diameter. The system of governing ... -
Investigation of Unsteady Sheet Cavitation and Cloud Cavitation Mechanisms
(The American Society of Mechanical Engineers (ASME), 1999)Sheet cavitation on a foil section and, in particular, its unsteady characteristics leading to cloud cavitation, were experimentally investigated using high-speed visualizations and fluctuating ... -
Numerical Model of Cavitating Propeller Inside of a Tunnel
(The American Society of Mechanical Engineers (ASME), 1999)The unsteady cavitating flow of a propeller subject to a nonaxisymmetric inflow inside of a tunnel is addressed. A numerical method is developed which solves for the fully unsteady propeller ... -
The Cavermod Device: Hydrodynamic Aspects and Erosion Tests
(The American Society of Mechanical Engineers (ASME), 1999)The Cavermod (CAVitation ERosion MODel) is an erosion test device first described by Dominguez-Cortazar et al. (1992, 1997). Recently, it was modified in two steps: first by increasing its ... -
Pump Research and Development: Past, Present, and Future
(The American Society of Mechanical Engineers (ASME), 1999)As in all areas relevant to the development and production of pumps the tasks the hydraulic engineer has to deal with have undergone a remarkable change in recent decades: from a more or ... -
Discussion: “Steady and Unsteady Computations of Turbulent Flows Induced by a 4/45 Degree Pitched-Blade Impeller” (Wechsler, K., Breuer, M., and Durst, F., 1999, ASME J. Fluids Eng., 121, pp. 318–329)
(The American Society of Mechanical Engineers (ASME), 1999) -
Pump Research and Development: Past, Present, and Future—An American Perspective
(The American Society of Mechanical Engineers (ASME), 1999)Pump research and development efforts are primarily driven by the needs of the customer. Today, these needs are centered around cost and reliability issues with the understanding that certain ...