Spectral formulation of turbulent flame speed with consideration of hydrodynamic instability

S Chaudhuri, V Akkerman, CK Law - … Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
Effects of Darrieus-Landau (DL) instability on the structure and propagation of turbulent
premixed flame fronts are considered. By first hypothesizing separation of time scales of …

Effect of folds and pockets on the topology and propagation of premixed turbulent flames

N Fogla, F Creta, M Matalon - Combustion and Flame, 2015 - Elsevier
Propagation of premixed turbulent flames is examined using a hybrid Navier–Stokes/front
tracking methodology, within the context of a hydrodynamic model. The flame, treated as a …

Life of flame particles embedded in premixed flames interacting with near isotropic turbulence

S Chaudhuri - Proceedings of the Combustion Institute, 2015 - Elsevier
Flame particles are surface points that always remain embedded on, by comoving with a
given iso-scalar surface within a flame. Tracking flame particles allow us to study the fate of …

A direct numerical simulation study of interface propagation in homogeneous turbulence

R Yu, XS Bai, AN Lipatnikov - Journal of Fluid Mechanics, 2015 - cambridge.org
A 3D direct numerical simulation (DNS) study of the evolution of a self-propagating interface
in forced constant-density statistically stationary homogeneous isotropic turbulence was …

The speed of traveling waves in a FKPP-Burgers system

JJ Bramburger, C Henderson - Archive for Rational Mechanics and …, 2021 - Springer
We consider a coupled reaction–advection–diffusion system based on the Fisher-KPP and
Burgers equations. These equations serve as a one-dimensional version of a model for a …

Analysis of flamelet leading point dynamics in an inhomogeneous flow

A Amato, TC Lieuwen - Combustion and flame, 2014 - Elsevier
Several studies have utilized “leading points” concepts to explain the augmentation of
burning rates in turbulent flames by flow fluctuations. These ideas have been particularly …

The collective effect of finite-sized inhomogeneities on the spatial spread of populations in two dimensions

W Möbius, F Tesser, KMJ Alards… - Journal of the …, 2021 - royalsocietypublishing.org
The dynamics of a population expanding into unoccupied habitat has been primarily studied
for situations in which growth and dispersal parameters are uniform in space or vary in one …

Fronts in randomly advected and heterogeneous media and nonuniversality of Burgers turbulence: Theory and numerics

JR Mayo, AR Kerstein - Physical Review E—Statistical, Nonlinear, and Soft …, 2008 - APS
A recently established mathematical equivalence—between weakly perturbed Huygens
fronts (eg, flames in weak turbulence or geometrical-optics wave fronts in slightly nonuniform …

Log-correlated large-deviation statistics governing Huygens fronts in turbulence

JR Mayo, AR Kerstein - Journal of Statistical Physics, 2019 - Springer
Analyses have disagreed on whether the velocity u_T u T of bulk advancement of a
Huygens front in turbulence vanishes or remains finite in the limit of vanishing local front …

Brownian fluctuations of flame fronts with small random advection

C Henderson, PE Souganidis - Mathematical Models and Methods …, 2020 - World Scientific
We study the effect of small random advection in two models in turbulent combustion.
Assuming that the velocity field decorrelates sufficiently fast, we (i) identify the order of the …