Evaporation of bi-component droplets in a heated, highly turbulent flow

Evaporation of bi-component droplets in a heated, highly turbulent flow This work aims to understand the phenomena that occur in a combustion chamber where multi-component fuel droplets are injected. Many evaporation models exist but the influence of turbulence on spray vaporization is not yet well understood. This study gives a useful database to improve these models. The objective of the work is to measure the dispersion and the evaporation of bi-component (octane/3-pentanone) droplets and the resulting vapor mixing in a well-known, heated, highly turbulent channel flow. The carrier flow shows high turbulence levels, flat profiles for the mean velocity and the velocity fluctuations. The injected droplets have a large variety of behaviors due to the large polydispersion and to the turbulence. The evolution of 3-pentanone liquid concentration, mass flux, and droplet clusters are described. Mean concentration, fluctuations of concentration, and mixing of the vapor phase are characterized. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Evaporation of bi-component droplets in a heated, highly turbulent flow

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Publisher
Springer-Verlag
Copyright
Copyright © 2012 by Springer-Verlag
Subject
Engineering; Engineering Fluid Dynamics; Engineering Thermodynamics, Heat and Mass Transfer; Fluid- and Aerodynamics
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-012-1292-6
Publisher site
See Article on Publisher Site

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