Machine learning assisted modeling of mixing timescale for LES/PDF of high-Karlovitz turbulent premixed combustion
J Liu, H Wang - Combustion and Flame, 2022 - Elsevier
Accurate modeling of mixing in the transported probability density function (PDF) method
remains a great challenge, especially for turbulent premixed combustion under extreme …
remains a great challenge, especially for turbulent premixed combustion under extreme …
Hydrogen combustion in gas turbines
The development of gas turbines using 100% hydrogen as fuel is an important step towards
the development of new energy and propulsion technologies using zero carbon fuels. This …
the development of new energy and propulsion technologies using zero carbon fuels. This …
LES/PDF modeling of autoignition in a lifted turbulent flame: Analysis of flame sensitivity to differential diffusion and scalar mixing time-scale
The stabilization of lifted flames involves a complex competition between small-scale mixing
and propagation of flame kernels at the base of the flame. Here, the effect of species …
and propagation of flame kernels at the base of the flame. Here, the effect of species …
Kinetic incentive of hydrogen addition on nonpremixed laminar methane/air flames
Y He, M Liang, C Liu, S Liao, R Yang, L Qin… - International Journal of …, 2021 - Elsevier
In order to find out the respective influences of chemical reactivity and physical transport of
hydrogen additive on nonpremixed flame, two fabricated hydrogen additions were …
hydrogen additive on nonpremixed flame, two fabricated hydrogen additions were …
Consistent flamelet modeling of differential molecular diffusion for turbulent non-premixed flames
H Wang - Physics of Fluids, 2016 - pubs.aip.org
Treating differential molecular diffusion correctly and accurately remains as a great
challenge to the modeling of turbulent non-premixed combustion. The aim of this paper is to …
challenge to the modeling of turbulent non-premixed combustion. The aim of this paper is to …
LES/PDF modeling of turbulent premixed flames with locally enhanced mixing by reaction
Large-eddy simulations (LES) combined with the transported probability density function
(PDF) method are carried out for two turbulent piloted premixed methane-air jet flames …
(PDF) method are carried out for two turbulent piloted premixed methane-air jet flames …
[HTML][HTML] A novel model for incorporation of differential diffusion effects in PDF simulations of non-premixed turbulent flames based on reaction-diffusion manifolds …
In this work, reaction-diffusion manifold (REDIM) reduced chemistry is used in the simulation
of turbulent non-premixed flames based on a transported-probability density function model …
of turbulent non-premixed flames based on a transported-probability density function model …
Molecular diffusion and phase stability in high-pressure combustion
The increased modeling complexity needed to simulate high-pressure combustion in rocket
engines results in significant computational costs–costs which are not always justified for …
engines results in significant computational costs–costs which are not always justified for …
Effects of molecular transport in LES/PDF of piloted turbulent dimethyl ether/air jet flames
We report large-eddy simulation (LES)/probability density function (PDF) modeling of piloted
turbulent dimethyl ether (DME)/air jet flames with a skeletal chemical mechanism. The …
turbulent dimethyl ether (DME)/air jet flames with a skeletal chemical mechanism. The …
LES of Delft Jet-in-Hot Coflow burner to investigate the effect of preferential diffusion on autoignition of CH4/H2 flames
This paper reports on numerical investigations of preferential diffusion effects in Large Eddy
Simulation (LES) of turbulent lifted CH 4/H 2 flames. For this purpose, a combined LES and …
Simulation (LES) of turbulent lifted CH 4/H 2 flames. For this purpose, a combined LES and …