Investigation of pressure and the Lewis number effects in the context of algebraic flame surface density closure for LES of premixed turbulent combustion
Sign Up to like & getrecommendations! Published in 2020 at "Theoretical and Computational Fluid Dynamics"
DOI: 10.1007/s00162-020-00543-x
Abstract: Large scale industrial combustion devices, for example, internal combustion engines, gas turbine combustors, etc., operate under high-pressure conditions and utilize a variety of fuels. Unfortunately, the majority of the current numerical combustion modelling approaches are… read more here.
Keywords: lewis number; combustion; flame surface; surface density ... See more keywords
Effects of fuel Lewis number on self-propagating flame spread over thin solid fuels in microgravity
Sign Up to like & getrecommendations! Published in 2020 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2020.05.021
Abstract: Abstract A numerical investigation is carried out to understand the role of fuel Lewis number ( L e F = α / D F ) on flame spread over thin solid fuel in a quiescent… read more here.
Keywords: lewis number; fuel lewis; flame; flame spread ... See more keywords
Analytical model for multicomponent wall film evaporation with non-unity Lewis number
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121485
Abstract: Abstract Analytical expressions for the external heat flux from ambient to the wallfilm liquid-vapor interface and the phase change rates at the interface are derived from first principles using the governing equations. This is done… read more here.
Keywords: lewis number; unity lewis; evaporation; model ... See more keywords
On flame bifurcation and multiplicity in consistently propagating spherical flame and droplet evaporation fronts
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2020.103220
Abstract: Abstract The outwardly propagating spherical flames in premixed gas containing water droplets are theoretically studied in this work. The correlations between the flame propagation speed, droplet distribution and flame radius are derived, based on the… read more here.
Keywords: lewis number; flame bifurcation; flame; droplet ... See more keywords
Analysis of thermodiffusive cellular instabilities in continuum combustion fronts.
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DOI: 10.1103/physreve.95.012219
Abstract: We explore numerically the morphological patterns of thermodiffusive instabilities in combustion fronts with a continuum fuel source, within a range of Lewis numbers and ignition temperatures, focusing on the cellular regime. For this purpose, we… read more here.
Keywords: lewis number; combustion fronts; analysis thermodiffusive; combustion ... See more keywords