Influence of thermal expansion on fluid dynamics of turbulent premixed combustion and its modelling implications
The purpose of this paper is to demonstrate the effects of thermal expansion, as a result of
heat release arising from exothermic chemical reactions, on the underlying turbulent fluid …
heat release arising from exothermic chemical reactions, on the underlying turbulent fluid …
Modeling heat loss effects in the large eddy simulation of a model gas turbine combustor with premixed flamelet generated manifolds
Large eddy simulation results are presented for a model gas turbine combustion chamber,
which is operated with a premixed and preheated methane/air mixture. The off-center …
which is operated with a premixed and preheated methane/air mixture. The off-center …
Numerical analysis of the Cambridge stratified flame series using artificial thickened flame LES with tabulated premixed flame chemistry
Detailed comparisons of LES results against measurement data are presented for the
turbulent lean and rich stratified Cambridge flame series. The co-annular methane/air burner …
turbulent lean and rich stratified Cambridge flame series. The co-annular methane/air burner …
Simulation of the flame describing function of a turbulent premixed flame using an open-source LES solver
Numerical simulations were used to characterise the non-linear response of a turbulent
premixed flame to acoustic velocity fluctuations. The test flame simulated was the bluff body …
premixed flame to acoustic velocity fluctuations. The test flame simulated was the bluff body …
Challenging modeling strategies for LES of non-adiabatic turbulent stratified combustion
Five different low-Mach large eddy simulations are compared to the turbulent stratified flame
experiments conducted at the Technical University of Darmstadt (TUD). The simulations …
experiments conducted at the Technical University of Darmstadt (TUD). The simulations …
Large eddy simulation of an internal combustion engine using an efficient immersed boundary technique
This paper presents highly resolved large eddy simulations (LES) of an internal combustion
engine (ICE) using an immersed boundary method (IBM), which can describe moving and …
engine (ICE) using an immersed boundary method (IBM), which can describe moving and …
Assessment of finite rate chemistry large eddy simulation combustion models
Abstract Large Eddy Simulations (LES) of a swirl-stabilized natural gas-air flame in a
laboratory gas turbine combustor is performed using six different LES combustion models to …
laboratory gas turbine combustor is performed using six different LES combustion models to …
A priori assessment of convolutional neural network and algebraic models for flame surface density of high Karlovitz premixed flames
Accurate modeling of the unresolved flame surface area is critical for the closure of reaction
source terms in the flame surface density (FSD) method. Some algebraic models have been …
source terms in the flame surface density (FSD) method. Some algebraic models have been …
Assessing accuracy, reliability, and efficiency of combustion models for prediction of flame dynamics with large eddy simulation
A variety of combustion models for large eddy simulation of premixed turbulent flames have
been developed and validated over the years. Validation studies concentrate on relevant …
been developed and validated over the years. Validation studies concentrate on relevant …
Scalar gradient and flame propagation statistics of a flame-resolved laboratory-scale turbulent stratified burner simulation
A bluff-body stabilised turbulent jet flame burning in a stratified mode of combustion for fuel-
lean methane/air mixtures is investigated by a flame-resolved simulation. A tabulated …
lean methane/air mixtures is investigated by a flame-resolved simulation. A tabulated …