Journal of Fluids Engineering: Recent submissions
Now showing items 3061-3080 of 9024
-
Analysis of Forced Convection in a Circular Tube Filled With a Darcy–Brinkman–Forchheimer Porous Medium Using Spectral Homotopy Analysis Method
(The American Society of Mechanical Engineers (ASME), 2011)This paper provides a fresh analytical solution for fully developed forced convection through a Darcy–Brinkman–Forchheimer porous medium imbedded inside a circular tube, with imposed uniform heat ... -
A One-Dimensional Model of Viscous Liquid Jets Breakup
(The American Society of Mechanical Engineers (ASME), 2011)The breakup process of a low speed capillary liquid jet is computationally investigated for different Ohnesorge numbers (Z), wave numbers (K), and disturbance amplitudes (ζo ). An implicit finite ... -
Axial-Flow Ventilation Fan Design Through Multi-Objective Optimization to Enhance Aerodynamic Performance
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents an optimization procedure for axial-flow ventilation fan design through a hybrid multiobjective evolutionary algorithm (MOEA) coupled with a response surface approximation (RSA) ... -
Air Suction Characteristics of a Water Hydraulic Piston Pump With Check Valves
(The American Society of Mechanical Engineers (ASME), 2011)The purpose of this paper is to investigate the air suction characteristics of a water hydraulic piston pump with check valves. The influence of some factors on its air suction performance, ... -
Erratum: “Friction factor directly from transitional roughness in a turbulent pipe flow” [ASME Trans. J. Fluid Eng., 2007, 129, pp. 1255–1267]
(The American Society of Mechanical Engineers (ASME), 2011)Page: 1258: In friction factor relations 34, 35, 36, and 37, replace δ by D in first location, to read asDisplay Formula1λ=-2log10[2.51Reλ+h3.7Dexp(-j5.66Reλδh)] (34) Display Formula1λ=-1.93log10[ ... -
Experimental Characterization of Thermal Cavitation Effects on Space Rocket Axial Inducers
(The American Society of Mechanical Engineers (ASME), 2011)The paper shows the results of an experimental campaign conducted in the CPRTF (Cavitating Pump Rotordynamic Test Facility) at ALTA S.p.A., aimed at characterizing the cavitation thermal effects ... -
Study of a Turbulent Dual Jet Consisting of a Wall Jet and an Offset Jet
(The American Society of Mechanical Engineers (ASME), 2011)The study of a two-dimensional, steady, incompressible, turbulent flow of a dual jet consisting of a wall jet and an offset jet has been simulated numerically. The standard high Reynolds number ... -
The Analysis of the Impact of Particles on Cavitation Flow Development
(The American Society of Mechanical Engineers (ASME), 2011)The purpose of this paper is to present an analysis of the impact of solid particles on the development of cavitation flow conditions around a hydrofoil. Experimental studies were conducted ... -
Experimental Characterization of the Rotordynamic Forces on Space Rocket Axial Inducers
(The American Society of Mechanical Engineers (ASME), 2011)The present paper illustrates the results of an experimental campaign conducted in the Cavitating Pump Rotordynamic Test Facility (CPRTF) at ALTA S.p.A. aimed at characterizing the rotordynamic ... -
Review Paper on Wind Turbine Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2011)The paper describes the development and description of the aerodynamic models used to estimate the aerodynamic loads on wind turbine constructions. This includes a status of the capabilities of ... -
Direct Numerical Simulation of Naturally Evolving Free Circular Jet
(The American Society of Mechanical Engineers (ASME), 2011)Direct numerical simulation (DNS) of incompressible, spatially developing circular jets at a moderate Reynolds number of 1030 is performed to understand the details of the evolution of the flow ... -
Analysis of Multi-Layer Immiscible Fluid Flow in a Microchannel
(The American Society of Mechanical Engineers (ASME), 2011)The development of microfluidics platforms in recent years has led to an increase in the number of applications involving the flow of multiple immiscible layers of viscous electrolyte fluids. ... -
MHD Squeezing Flow of a Micropolar Fluid Between Parallel Disks
(The American Society of Mechanical Engineers (ASME), 2011)The squeezing flow of an incompressible micropolar fluid between two parallel infinite disks is investigated in the presence of a magnetic flied. An analysis of strong and weak interactions has ... -
Tip Vortex Cavitation Suppression by Active Mass Injection
(The American Society of Mechanical Engineers (ASME), 2011)Injection of water and aqueous polymer solutions in to the core of a trailing vortex was found to delay the inception of tip vortex cavitation (TVC). Optimal levels of mass injection reduced ... -
Investigation of Turbulent Boundary Layer Flow Over 2D Bump Using Highly Resolved Large Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2011)A large eddy simulation (LES) study of turbulent non-equilibrium boundary layer flow over 2D Bump, at comparatively low Reynolds number Reh=U∞h/ν=1950, was conducted. A well-known LES issue of ... -
A Three-Equation Variant of the SST k-ω Model Sensitized to Rotation and Curvature Effects
(The American Society of Mechanical Engineers (ASME), 2011)A new variant of the SST k-ω model sensitized to system rotation and streamline curvature is presented. The new model is based on a direct simplification of the Reynolds stress model under ... -
Modified Time-Dependent Penetration Length and Inlet Pressure Field in Rectangular and Cylindrical Channel Flows Driven by Non-Mechanical Forces
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, we derive the governing equation for the time dependent penetration length of a fluid column in rectangular and cylindrical channels under the action of nonmechanical forces like ... -
Effects of Mixing Using Side Port Air Injection on a Biomass Fluidized Bed
(The American Society of Mechanical Engineers (ASME), 2011)Fluidized beds are being used in practice to gasify biomass to create producer gas, a flammable gas that can be used for process heating. However, recent literature has identified the need ... -
An Experimental Study of a Turbulent Wall Jet on Smooth and Transitionally Rough Surfaces
(The American Society of Mechanical Engineers (ASME), 2011)The effect of surface roughness on the mean velocity and skin friction characteristics of a plane turbulent wall jet was experimentally investigated using laser Doppler anemometry. The Reynolds ... -
Stall Onset on Airfoils at Moderately High Reynolds Number Flows
(The American Society of Mechanical Engineers (ASME), 2011)The inception of leading-edge stall on two-dimensional smooth thin airfoils at moderately high Reynolds number flows [in the range O(104 ) to O(106 )] is investigated by an asymptotic approach ...