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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN Print: 2150-3621
ISSN Online: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v6.i4.10
pages 357-374

EQUILIBRIUM EVAPORATION SPRAY MODELING FOR APPLICATION IN COOL FLAMES

D. I. Kolaitis
Laboratory of Heterogeneous Mixtures and Combustion Systems, Thermal Engineering Department, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechniou 9, Polytechnioupoli Zografou, 15780 Athens, Greece
M. A. Founti
Laboratory of Heterogeneous Mixtures and Combustion Systems, Thermal Engineering Department, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechniou 9, Polytechnioupoli Zografou, 15780 Athens, Greece

ABSTRACT

The scope of this work is to predict the evaporation process for fuels that are widely available and may be used in a "cool flame evaporation" process. Two droplet evaporation models are compared and evaluated against existing experimental data for two test cases of single droplets evaporating in a convective environment. A simple geometry is considered and an in-house Eulerian-Lagrangian computational fluid dynamics code is implemented in order to simulate the full spray evolution. Results show that surface temperatures and droplet lifetime histories are in better agreement with the experimental data when the Abramzon and Sirignano droplet evaporation model is implemented in comparison to the Spalding droplet evaporation model.


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