Journal of Fluids Engineering: Recent submissions
Now showing items 3341-3360 of 9024
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Thermodynamic Effect on a Cavitating Inducer in Liquid Hydrogen
(The American Society of Mechanical Engineers (ASME), 2010)This study was led in collaboration with the French Space Agency (CNES) and the Rocket Engine Division of Snecma. The main aims were the simulations and the analyses of cavitating flows in ... -
Mass Transfer Coefficients for a Non-Newtonian Fluid and Water With and Without Antifoam Agents
(The American Society of Mechanical Engineers (ASME), 2010)Mass transfer rates were measured in a large scale system, which is consisted of an 8.4 m tall by 0.76 m diameter column, containing one of the three fluids: water with an antifoam agent, ... -
Study on Aeration for Disengaged Wet Clutches Using a Two-Phase Flow Model
(The American Society of Mechanical Engineers (ASME), 2010)The existing computational models for disengaged wet clutches are deduced based on the single-phase flow theory. However, the complex gas-liquid two-phase flow is formed due to aeration at high ... -
Laminar Flow in Microchannels With Noncircular Cross Section
(The American Society of Mechanical Engineers (ASME), 2010)Analytical solutions are presented for laminar fully developed flow in micro-/minichannels of hyperelliptical and regular polygonal cross sections in the form of compact relationships. The considered ... -
Discussion: “Similarities and Differences in the Erosion Behavior of Materials” (Sheldon, G. L., 1970, ASME J. Basic Eng., 92, pp. 619–626)
(The American Society of Mechanical Engineers (ASME), 1970) -
Effect of Initial Constant Acceleration on the Transition to Turbulence in Transient Circular Pipe Flow
(The American Society of Mechanical Engineers (ASME), 2010)Experimental investigation is carried out on the transition to turbulence in a transient circular pipe flow. The flow is accelerated from rest at a constant acceleration until its cross-sectional ... -
Swirling Flow in a Fixed Container: Generation and Attenuation of a Vortex Column
(The American Society of Mechanical Engineers (ASME), 2010)The development of a columnar vortex and its attenuation using radial rods at the bottom boundary of a stationary container are experimentally studied. The fluid motion is achieved combining ... -
On a New Passive Scalar Equation With Variable Mass Diffusivity: Flow Between Parallel Plates
(The American Society of Mechanical Engineers (ASME), 2010)The present work investigates mass conservation equations in turbulent flow between parallel plates with variable mass diffusivity. Species conservation equations are relative to the average ... -
Prediction of Small-Scale Cavitation in a High Speed Flow Over an Open Cavity Using Large-Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2010)Large-eddy simulation of flow over an open cavity corresponding to the experimental setup of and (2008, “Cavitation Phenomena Occurring Due to Interaction of Shear Layer Vortices With the Trailing ... -
Comparison of Local Interfacial Structures Around 90 and 45-Degree Elbows in Horizontal Bubbly Flows
(The American Society of Mechanical Engineers (ASME), 2010)This study presents a comparison of the geometric effects of 90 deg and 45 deg elbows in horizontal two-phase air-water bubbly flow. Two separate experiments were performed in the horizontal ... -
A Contribution to Study on the Lift of Ventilated Supercavitating Vehicle With Low Froude Number
(The American Society of Mechanical Engineers (ASME), 2010)A ventilated cavity was investigated using three-dimensional numerical simulation and cavitation water tunnel experiments under the condition of low Froude number. A two-fluid multiphase flow model ... -
Pressure Fluctuation Characteristics of Complex Turbulent Flow in a Single Elbow With Small Curvature Radius for a Sodium-Cooled Fast Reactor
(The American Society of Mechanical Engineers (ASME), 2010)A multi-elbow piping system is adopted for the Japan sodium-cooled fast reactor (JSFR) cold-legs. Flow-induced vibration (FIV) is considered to appear due to complex turbulent flow with very ... -
Investigation of the Flow Field on a Transonic Turbine Nozzle Guide Vane With Rim Seal Cavity Flow Ejection
(The American Society of Mechanical Engineers (ASME), 2010)Ensuring an adequate life of high pressure turbines requires efficient cooling methods such as rim seal flow ejection from the stator-rotor wheel space cavity interface, which prevents hot gas ... -
Research on Two Phase Waterjet Nozzles
(The American Society of Mechanical Engineers (ASME), 2010)Air-augmented waterjets derive their propulsion from compressed gas mixed directly into the main flow. The gas bubbles expand as the mixture passes through the pressure gradient of the convergent ... -
A Fast Method for Determining the Flow Conductance of Gas Microfluidic Devices
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents a fast method for determining the conductance of gas microfluidic devices with low flow rates and very small pressure drops starting from 30 Pa, corresponding to Re=0.3. ... -
Numerical Simulation of Droplet Size Distribution in Vertical Upward Annular Flow
(The American Society of Mechanical Engineers (ASME), 2010)The liquid droplet size distribution in gas-liquid vertical upward annular flow is investigated through a CFD (computational fluid dynamics)-PBM (population balance model) coupled model in this ... -
Partially Averaged Navier–Stokes (PANS) Method for Turbulence Simulations—Flow Past a Square Cylinder
(The American Society of Mechanical Engineers (ASME), 2010)The partially averaged Navier–Stokes (PANS) approach is a bridging closure model intended for any level of resolution between the Reynolds averaged Navier–Stokes (RANS) method and direct numerical ... -
Large Eddy Simulation of Turbulent-Cavitation Interactions in a Venturi Nozzle
(The American Society of Mechanical Engineers (ASME), 2010)Large eddy simulation of turbulent cavitating flow in a venturi nozzle is conducted. The fully compressible Favre-filtered Navier–Stokes equations are coupled with a homogeneous equilibrium cavitation ... -
Experimental Determination of the Virtual Mass Coefficient for Two Spheres Accelerating in a Power Law Fluid
(The American Society of Mechanical Engineers (ASME), 2010)The virtual mass coefficient is determined experimentally for the motion of two spheres side by side and in line in a power law fluid. The velocities of the two accelerating spheres and their ... -
Forces and Surface Pressure on a Blade Moving in Front of the Admission Region
(The American Society of Mechanical Engineers (ASME), 2010)The partial admission technique is widely used to control the output power of turbines. In some cases, it has more merits than full admission. However, additional losses, such as expansion, ...