Journal of Fluids Engineering: Recent submissions
Now showing items 2021-2040 of 9024
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An Experimental Study on the Gas Entrainment in Horizontally and Vertically Installed Centrifugal Pumps
(The American Society of Mechanical Engineers (ASME), 2016)In this work, we have studied how gas accumulates in an industrial centrifugal pump under various steadystate twophase flow conditions. Thereby, we considered both horizontal and vertical pump installation positions. Phase ... -
An Inquiry of the Friction Factor “Jump†Phenomenon in Hole Pattern Seals
(The American Society of Mechanical Engineers (ASME), 2016)Experiments measuring the leakage rate through holepattern seals operating at high pressures of up to 8400 kPa reveal the presence of an abrupt variation in the friction factor (up to a factor of three) with change in ... -
The Confined-Discharge Plasma Generator With Local Fluid Constriction
(The American Society of Mechanical Engineers (ASME), 1972)Normally the energy conversion efficiency of a confined-discharge plasma generator is inversely related to the mean enthalpy of the effluent plasma jet. The present paper describes a technique ... -
On the Influence of Array Size and Jet Spacing on Jet Interactions and Confluence in Round Jet Arrays
(The American Society of Mechanical Engineers (ASME), 2016)This work uses computational models to study the effects of confluence and jettojet interactions for inline matrices of confluent round jets. In total, 12 different confluent jet arrangements, having various jet array sizes ... -
Gas Assisted Droplet Impact on a Solid Surface
(The American Society of Mechanical Engineers (ASME), 2016)An experimental, numerical, and theoretical investigation of the behavior of a gasassisted liquid droplet impacting on a solid surface is presented with the aim of determining the effects of a carrier gas on the droplet ... -
The 14th International Workshop on the Physics of Compressible Turbulent Mixing
(The American Society of Mechanical Engineers (ASME), 2016)The theoretical, numerical, and experimental study of compressible, variabledensity, and incompressible turbulent mixing associated with Richtmyer–Meshkov (RM), Rayleigh–Taylor (RT), and Kelvin–Helmholtz (KH) ... -
Rotational Flow in Centrifugal Pump Meridian Using Curvilinear Coordinates
(The American Society of Mechanical Engineers (ASME), 2016)A new model for calculation of the velocity field in a pump meridian is presented in this paper. It is a parameterized rotational flow model providing the pump designer with an option to simulate various flow conditions ... -
Cavitation Performance of Hydraulic Turbines in the Three Gorges Reservoir With Consideration of Influence of Total Phosphorus Pollution
(The American Society of Mechanical Engineers (ASME), 2016)The Three Gorges Reservoir has the largest installed power station in the world and generates the most energy in the world as well; the hydraulic turbines employed are the largest Francis turbines. In recent years, total ... -
Modeling Transport and Deposition Efficiency of Oblate and Prolate Nano and Micro particles in a Virtual Model of the Human Airway
(The American Society of Mechanical Engineers (ASME), 2016)A model for the motion and deposition of oblate and prolate spheroids in the nanoand microscale was developed. The aim was to mimic the environment of the human lung, but the model is general and can be applied for different ... -
Exact Solutions for Starting and Oscillatory Flows in an Equilateral Triangular Duct
(The American Society of Mechanical Engineers (ASME), 2016)Exact series solutions, some in closedform, for starting flow and oscillatory flow in an equilateral triangular duct are presented. The complete set of eigenvalues and eigenfunctions of the Helmholtz equation is derived, ... -
Fluid Vibration Induced by High Shear Rate Flow in a T Junction
(The American Society of Mechanical Engineers (ASME), 2016)For laminar flow in the side branch of a Tjunction, periodic fluid vibrations occur with the Strouhal number independent of characteristic flow conditions. As the mechanics is unknown, an experiment was performed to establish ... -
Experimental Investigation on Flows in a Corrugated Channel
(The American Society of Mechanical Engineers (ASME), 2016)Flows in a corrugated channel are investigated by a highspeed camera and a particle image velocimetry (PIV) system. The bottom wall of the rectangular channel was corrugated with periodic grooves while the top wall and two ... -
Effect of Winglet Shroud Tip With Labyrinth Seals on Aerodynamic Performance of a Linear Turbine Cascade
(The American Society of Mechanical Engineers (ASME), 2016)This paper is a continuous study of a previously investigated novel wingletshroud (WS) tip configuration. Two additional sealing fins are fixed on the WS tip to further reduce tip leakage. This configuration is referred ... -
Interfacial Pressure Coefficient for Ellipsoids and Its Effect on the Two Fluid Model Eigenvalues
(The American Society of Mechanical Engineers (ASME), 2016)Analytical expressions for interfacial pressure coefficients are obtained based on the geometry of the bubbles occurring in twophase flows. It is known that the shape of the bubbles affects the virtual mass and interfacial ... -
Drag and Turbulent Characteristics of Mobile Bed Channel With Mixed Vegetation Densities Under Downward Seepage
(The American Society of Mechanical Engineers (ASME), 2016)The present study addresses the drag owing to the presence of vegetation and turbulent characteristics in a mobile bed channel, characterized by fully submerged vegetation formed by nonuniform vegetation densities. The ... -
Wave Propagation in Viscous, Compressible Liquids Confined in Elastic Tubes
(The American Society of Mechanical Engineers (ASME), 1972)The problem of steady-state, small amplitude, periodic wave propagation in a viscous, compressible liquid contained in an infinitely long, elastic tube is solved for the complex propagation ... -
Experimental Investigation Into the Relationship Between the Roughness Height in Use With Nikuradse or Colebrook Roughness Functions and the Internal Wall Roughness Profile for Commercial Steel Pipes
(The American Society of Mechanical Engineers (ASME), 2016)The relationships between the sand grain roughness height (ks) in use with Nikuradse or Colebrook correlations for the roughness function (RF) and the internal pipe wall roughness element described by the rootmeansquare ... -
Experimental Study of Pressure Drop Flow Rate Characteristics of Heated Tight Porous Materials
(The American Society of Mechanical Engineers (ASME), 2016)Tight porous materials are used as pneumatic components in a wide range of industrial applications. Such porous materials contain thousands of interconnected irregular micropores, which produce a large pressure drop (خ”P) ... -
Transition of a Steady to a Periodically Unsteady Flow for Various Jet Widths of a Combined Wall Jet and Offset Jet
(The American Society of Mechanical Engineers (ASME), 2016)In the present paper, a dual jet consisting of a wall jet and an offset jet has been numerically simulated using twodimensional unsteady ReynoldsAveraged Navier–Stokes (RANS) equations to examine the effects of jet width ... -
A Kinematic Description of the Key Flow Characteristics in an Array of Finite Height Rotating Cylinders
(The American Society of Mechanical Engineers (ASME), 2016)Experimental data are presented for large arrays of rotating, finiteheight cylinders to study the dependence of the threedimensional (3D) mean flows on the geometric and rotational configurations of the array. Two geometric ...