Numerical study of heat release rate markers in laminar premixed Ammonia-methane-air flames

X Zhu, TF Guiberti, R Li, WL Roberts - Fuel, 2022 - Elsevier
Ammonia has the potential of being a future fuel for carbon-free combustion to reduce
greenhouse gases (GHG) emission. The heat release rate (HRR) information of ammonia …

Effect of flame-wall interaction on local heat release of methane and DME combustion in a side-wall quenching geometry

H Kosaka, F Zentgraf, A Scholtissek, C Hasse… - Flow, Turbulence and …, 2020 - Springer
This paper is focused on the characterization of local heat release rate and its correlation
with flame structures under atmospheric conditions in a side-wall quenching geometry. The …

Machine learning tabulation of thermochemistry for turbulent dimethyl ether (DME) flames

A Liu, T Ding, R Liu, S Rigopoulos, K Luo - Fuel, 2024 - Elsevier
The present work applies a machine learning tabulation methodology for the
thermochemistry of dimethyl ether (DME), a typical biodiesel fuel, to accelerate the real-time …

LES flamelet-progress variable modeling and measurements of a turbulent partially-premixed dimethyl ether jet flame

S Popp, F Hunger, S Hartl, D Messig, B Coriton… - Combustion and …, 2015 - Elsevier
In the present study the flame structure of a piloted partially-premixed dimethyl ether flame
(DME-D), which is based on the Sydney/Sandia piloted jet burner flame series, is …

High-speed formaldehyde planar laser-induced fluorescence and schlieren to assess influences of injection pressure and oxygen concentration on Spray A flames

HS Sim, N Maes, LM Pickett, SA Skeen, J Manin - Combustion and Flame, 2023 - Elsevier
The present study investigates the effect of injection pressure and ambient oxygen
concentration variations on the Engine Combustion Network Spray A flame. The two-stage …

Numerical investigation of local heat-release rates and thermo-chemical states in side-wall quenching of laminar methane and dimethyl ether flames

M Steinhausen, Y Luo, S Popp, C Strassacker… - Flow, Turbulence and …, 2021 - Springer
The local heat-release rate and the thermo-chemical state of laminar methane and dimethyl
ether flames in a side-wall quenching configuration are analyzed. Both, detailed chemistry …

Assessment of differential diffusion effects in flamelet modeling of oxy-fuel flames

S Gierth, F Hunger, S Popp, H Wu, M Ihme… - Combustion and …, 2018 - Elsevier
The modeling of differential diffusion in flamelet-based approaches is analyzed in a
turbulent non-premixed oxy-fuel flame experimentally investigated by Sevault et al.(2012) …

Pareto-efficient combustion modeling for improved CO-emission prediction in LES of a piloted turbulent dimethyl ether jet flame

H Wu, PC Ma, T Jaravel, M Ihme - Proceedings of the Combustion Institute, 2019 - Elsevier
This study extends the Pareto-efficient combustion (PEC) framework to adaptive LES
combustion simulations of turbulent flames. With the focus on improving predictions of CO …

[HTML][HTML] Advances in imaging of chemically reacting flows

JH Frank - The Journal of Chemical Physics, 2021 - pubs.aip.org
Many important chemically reacting systems are inherently multi-dimensional with spatial
and temporal variations in the thermochemical state, which can be strongly coupled to …

Structure of turbulent nonpremixed syngas flames at high pressure

WR Boyette, TF Guiberti, G Magnotti… - Proceedings of the …, 2019 - Elsevier
The effects of both pressure and Reynolds number on the structure of turbulent nonpremixed
flames are investigated experimentally. Syngas (CO/H 2/N 2) flames with constant …