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 turbulent length scale on the bending effect of turbulent burning velocity in premixed turbulent combustion
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.111569
Abstract: Abstract The effects of turbulent integral length scale to flame thickness ratio on the bending effect of turbulent burning velocity variation have been analysed based on a three-dimensional Direct Numerical Simulation database of statistically planar… read more here.
Keywords: flame surface; area; length scale; flame ... See more keywords
Displacement speed, flame surface density and burning rate in highly turbulent premixed flames characterized by low Lewis numbers
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2023.257
Abstract: Abstract Direct numerical simulation data obtained from four pairs of turbulent, lean hydrogen–air, complex-chemistry flames are analysed to explore the influence of molecular diffusion on flame surface density, displacement speed $S_d$ and the flame surface… read more here.
Keywords: flame surface; flame; rate; surface density ... See more keywords
Insights into the Bending Effect in Premixed Turbulent Combustion Using the Flame Surface Density Transport
Sign Up to like & getrecommendations! Published in 2019 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2019.1577241
Abstract: ABSTRACT The bending effect of turbulent flame speed variation (i.e., the deviation from the linear increase of flame speed with increasing root-mean-square turbulent velocity fluctuation) has been investigated based on a Direct Numerical Simulation database… read more here.
Keywords: volume integrated; turbulence; term; flame surface ... See more keywords