Recent developments in DNS of turbulent combustion
P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …
reaction zones goes along with specific requirements, which are discussed from …
[HTML][HTML] Thermodiffusively-unstable lean premixed hydrogen flames: Phenomenology, empirical modelling, and thermal leading points
Thermodiffusively-unstable lean premixed hydrogen flames are investigated using three-
dimensional direct numerical simulation with finite-rate chemical kinetics. A large number of …
dimensional direct numerical simulation with finite-rate chemical kinetics. A large number of …
Thermodiffusively unstable laminar hydrogen flame in a sufficiently large 3D computational domain–Part I: Characteristic patterns
Thermodiffusive instabilities can have a leading order effect on flame propagation for lean
premixed hydrogen flames. Many simulation studies have been performed to study this …
premixed hydrogen flames. Many simulation studies have been performed to study this …
Influence of molecular transport on burning rate and conditioned species concentrations in highly turbulent premixed flames
Apparent inconsistency between (i) experimental and direct numerical simulation (DNS)
data that show the significant influence of differential diffusion on the turbulent burning rate …
data that show the significant influence of differential diffusion on the turbulent burning rate …
Lewis number and preferential diffusion effects in lean hydrogen–air highly turbulent flames
Unsteady three-dimensional direct numerical simulations of highly turbulent, complex-
chemistry, lean hydrogen-air flames were performed by changing the equivalence ratio ϕ …
chemistry, lean hydrogen-air flames were performed by changing the equivalence ratio ϕ …
A DNS study of extreme and leading points in lean hydrogen-air turbulent flames–part I: local thermochemical structure and reaction rates
Abstract A Direct Numerical Simulation (DNS) study of statistically one-dimensional and
planar, lean complex-chemistry hydrogen-air flames characterized by a low Lewis number L …
planar, lean complex-chemistry hydrogen-air flames characterized by a low Lewis number L …
Transition from turbulence-dominated to instability-dominated combustion regime in lean hydrogen-air flames
To explore the importance of thermodiffusive and hydrodynamic instabilities of laminar
flames in turbulent flows, previously generated direct numerical simulations of statistically …
flames in turbulent flows, previously generated direct numerical simulations of statistically …
Influence of equivalence ratio on turbulent burning velocity and extreme fuel consumption rate in lean hydrogen-air turbulent flames
Abstract Unsteady three-dimensional Direct Numerical Simulations of seven statistically one-
dimensional, planar, highly turbulent, complex-chemistry, lean H 2-air flames are performed …
dimensional, planar, highly turbulent, complex-chemistry, lean H 2-air flames are performed …
[HTML][HTML] A numerical support of leading point concept
Abstract Unsteady three-dimensional Direct Numerical Simulation (DNS) data obtained from
16 statistically planar and one-dimensional, complex-chemistry, lean (equivalence ratio is …
16 statistically planar and one-dimensional, complex-chemistry, lean (equivalence ratio is …
Displacement speed, flame surface density and burning rate in highly turbulent premixed flames characterized by low Lewis numbers
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 …
complex-chemistry flames are analysed to explore the influence of molecular diffusion on …