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Type: Journal article
Title: Influence of Stokes number on the velocity and concentration distributions in particle-laden jets
Author: Lau, T.
Nathan, G.
Citation: Journal of Fluid Mechanics, 2014; 757(6):432-457
Publisher: Cambridge University Press
Issue Date: 2014
ISSN: 0022-1120
Statement of
Timothy C. W. Lau and Graham J. Nathan
Abstract: The first measurement of the influence of the Stokes number on the distributions of particle concentration and velocity at the exit of a long pipe are reported, together with the subsequent influence on the downstream evolution of these distributions through a particle-laden jet in co-flow. The data were obtained by simultaneous particle image velocimetry (PIV) and planar nephelometry (PN), using four cameras to provide high resolution through the first 30 jet diameters and also correction for optical attenuation. These data provide much more detailed information than is available from previous measurements. From them, a new understanding is obtained of how the Stokes number influences the flow at the jet exit plane and how this influence propagates throughout the jet.
Keywords: Jets; multiphase and particle-laden flows
Rights: © Cambridge University Press 2014
DOI: 10.1017/jfm.2014.496
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Mechanical Engineering publications

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