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Publication . Article . 2008

Measurement of phase interaction in dispersed gas-particle two-phase flow by phase-doppler anemometry

Ali Mohamed Mergheni; Ticha Hmaied Ben; Jen-Charles Sautet; Gille Godard; Nasrallah Sassi Ben;
Open Access   English  
Published: 07 Jul 2008 Journal: Thermal Science, volume 12, issue 2, pages 59-68 (issn: 0354-9836, eissn: 2334-7163, Copyright policy )
Publisher: VINCA Institute of Nuclear Sciences
For simultaneous measurement of size and velocity distributions of continuous and dispersed phases in a two-phase flow a technique phase-Doppler anemometry was used. Spherical glass particles with a particle diameter range from 102 up to 212 ?m were used. In this two-phase flow an experimental results are presented which indicate a significant influence of the solid particles on the flow characteristics. The height of influence of these effects depends on the local position in the jet. Near the nozzle exit high gas velocity gradients exist and therefore high turbulence production in the shear layer of the jet is observed. Here the turbulence intensity in the two-phase jet is decreased compared to the single-phase jet. In the developed zone the velocity gradient in the shear layer is lower and the turbulence intensity reduction is higher. .
Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Mechanical engineering and machinery lcsh:TJ1-1570

arXiv: Physics::Fluid Dynamics

Microsoft Academic Graph classification: Optics business.industry business Particle Turbulence kinetic energy Two-phase flow Velocity gradient Mechanics Physics Nozzle Turbulence Phase (matter) Jet (fluid)


phase Doppler anemometry, gas-particle, turbulence, Renewable Energy, Sustainability and the Environment

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Thermal Science
Article . 2008
Providers: DOAJ-Articles