Flow characteristics of a large-size pressure-atomized spray using DTV

Flow characteristics of a large-size pressure-atomized spray using DTV •New Droplet Tracking Velocimetry (DTV) post-process is developed for complex dispersed phase (poly-dispersed & non-spherical) •Our DTV post-process is associated with dedicated calibration to determine the Apparent Depth of Field of each droplet class •DTV results reveal that this spray has a low radial dispersion combined with strong droplet turbulence anisotropy •Droplet sizes strongly influence their dynamics: velocities and droplet sizes must effectively be measured simultaneously •For droplet turbulence, estimated Cµ values (used in RANS models) are lower than those typically observed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Multiphase Flow Elsevier

Flow characteristics of a large-size pressure-atomized spray using DTV

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Publisher
Pergamon
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
0301-9322
D.O.I.
10.1016/j.ijmultiphaseflow.2016.05.004
Publisher site
See Article on Publisher Site

Abstract

•New Droplet Tracking Velocimetry (DTV) post-process is developed for complex dispersed phase (poly-dispersed & non-spherical) •Our DTV post-process is associated with dedicated calibration to determine the Apparent Depth of Field of each droplet class •DTV results reveal that this spray has a low radial dispersion combined with strong droplet turbulence anisotropy •Droplet sizes strongly influence their dynamics: velocities and droplet sizes must effectively be measured simultaneously •For droplet turbulence, estimated Cµ values (used in RANS models) are lower than those typically observed

Journal

International Journal of Multiphase FlowElsevier

Published: Sep 1, 2016

References

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