Journal of Fluids Engineering: Recent submissions
Now showing items 5801-5820 of 9024
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Turbulent Flow in Longitudinally Finned Tubes
(The American Society of Mechanical Engineers (ASME), 1996)An experimental investigation of fully developed, steady, turbulent flow in longitudinally finned tubes has been performed. A two-channel, four-beam, laser-Doppler velocimeter was used to measure ... -
An Experimental Study of Swirling Flow Pneumatic Conveying System in a Horizontal Pipeline
(The American Society of Mechanical Engineers (ASME), 1996)In order to reduce power consumption, pipe wear and particle degradation in pneumatic conveying system, a swirling flow pneumatic conveying (SFPC) system is proposed in this paper, and an ... -
A Comparison of Some Recent Eddy-Viscosity Turbulence Models
(The American Society of Mechanical Engineers (ASME), 1996)The performance of recently developed eddy-viscosity turbulence models, including the author’s SST model, is evaluated against a number of attached and separated adverse pressure gradient flows. ... -
Active Control of Instabilities in Laminar Boundary Layers—Overview and Concept Validation
(The American Society of Mechanical Engineers (ASME), 1996)This paper (the first in a series) focuses on using active-control methods to maintain laminar flow in a region of the flow in which the natural instabilities, if left unattended, lead to ... -
Transonic and Boundary Layer Similarity Laws in Dense Gases
(The American Society of Mechanical Engineers (ASME), 1996)We discuss the validity of similarity and scaling laws for transonic flow and compressible boundary layers when dense gas effects are important. The physical mechanisms for the failure of each ... -
Velocity Perturbations Induced by the Longitudinal Vortices in a Cylinder Wake
(The American Society of Mechanical Engineers (ASME), 1996)This paper presents data showing the three-dimensional vortical structures in the near wake region of circular cylinders. The in-plane velocity field was measured using a digital Particle Image ... -
Low Pressure Differential Discharge Characteristics of Saturated Liquids Passing Through Orifices
(The American Society of Mechanical Engineers (ASME), 1996)An experimental investigation has been performed to determine the effect of variation in the length-to-diameter ratios on the discharge characteristics of saturated liquids passing through square ... -
Nonlinear Stability of the Thin Micropolar Liquid Film Flowing Down on a Vertical Plate
(The American Society of Mechanical Engineers (ASME), 1996)A perturbation method is used to investigate analytically the nonlinear stability behavior of a thin micropolar liquid film flowing down a vertical plate. In this analysis, the conservation of ... -
Flow Visualization by Velocity-Pressure Cross-Correlation
(The American Society of Mechanical Engineers (ASME), 1996)For a better understanding of turbulent structure, a new flow visualization method of the time averaged structure of the turbulence has been developed by using wall pressure fluctuations to ... -
Stokes Layers in Horizontal-Wave Outer Flows
(The American Society of Mechanical Engineers (ASME), 1996)Results are reported of a computational study investigating the responses of flat plate boundary layers and wakes to horizontal wave outer flows. Solutions are obtained for temporal, spatial, ... -
Numerical Modeling of Micromechanical Devices Using the Direct Simulation Monte Carlo Method
(The American Society of Mechanical Engineers (ASME), 1996)A direct simulation Monte Carlo (DSMC) investigation of flows related to microelectromechanical systems (MEMS) is detailed. This effort is intended to provide tools to facilitate the design and ... -
Micro-Electromechanical Systems Pose Big Challenges in Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 1996) -
3-D Microscopic Measurement and Analysis of Chemical Flow and Transport in Porous Media
(The American Society of Mechanical Engineers (ASME), 1996)Chemical flow and transport have been studied at the pore-scale in an experimental porous medium. Measurements have been taken using a novel nonintrusive fluorescence imaging technique. The ... -
REVIEW: MEMS and Its Applications for Flow Control
(The American Society of Mechanical Engineers (ASME), 1996)Emerging micromachining technology enables us to fabricate mechanical parts on the order of micron size. It provides us with micro-sensors and micro-actuators which facilitate the exploration of ... -
Application of Wavelet Analysis to Incident Wind in Relevance to Wind Loads on Low-Rise Structures
(The American Society of Mechanical Engineers (ASME), 1996) -
Rarefaction and Compressibility Effects in Gas Microflows
(The American Society of Mechanical Engineers (ASME), 1996)Gas microflows are encountered in many applications of Micro-Electro-Mechanical Systems (MEMS). Computational modeling and simulation can provide an effective predictive capability for heat and ... -
Small Silicon Pressure Transducers for Space-Time Correlation Measurements in a Flat Plate Boundary Layer
(The American Society of Mechanical Engineers (ASME), 1996)Silicon based pressure sensors have been used to measure turbulent wall-pressure fluctuations in a two-dimensional flat plate boundary layer, Reθ = 5072. The side lengths of the diaphragms were ... -
Technical Forum
(The American Society of Mechanical Engineers (ASME), 1996) -
Analysis of Mass Transfer in Arctic Plumes (Implications for Global Climate)
(The American Society of Mechanical Engineers (ASME), 1996) -
Velocity Measurements in a Turbulent Non-Newtonian Jet
(The American Society of Mechanical Engineers (ASME), 1996)