Analysis on the effects of turbulent inflow conditions on spray primary atomization in the near-field by direct numerical simulation

Analysis on the effects of turbulent inflow conditions on spray primary atomization in the... •A synthetic boundary condition for turbulence has been successfully implemented in the open source code DNS Paris-Simulator. •Once implemented, the spray primary atomization process has been simulated for three cases with different levels of turbulence, quantified by the lengthscale and the turbulence intensity. •Results from the simulations have been compared in terms of vorticity field, external non-perturbed length and intact core length which are directly related to the atomization level. •Results reflect that atomization is greatly improved when the turbulence intensity and turbulence lengthscale are increased. •The different atomization processes, occurring in different spray locations have been analyzed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Multiphase Flow Elsevier

Analysis on the effects of turbulent inflow conditions on spray primary atomization in the near-field by direct numerical simulation

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Publisher
Pergamon
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0301-9322
D.O.I.
10.1016/j.ijmultiphaseflow.2018.01.019
Publisher site
See Article on Publisher Site

Abstract

•A synthetic boundary condition for turbulence has been successfully implemented in the open source code DNS Paris-Simulator. •Once implemented, the spray primary atomization process has been simulated for three cases with different levels of turbulence, quantified by the lengthscale and the turbulence intensity. •Results from the simulations have been compared in terms of vorticity field, external non-perturbed length and intact core length which are directly related to the atomization level. •Results reflect that atomization is greatly improved when the turbulence intensity and turbulence lengthscale are increased. •The different atomization processes, occurring in different spray locations have been analyzed.

Journal

International Journal of Multiphase FlowElsevier

Published: May 1, 2018

References

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