Soot formation in laminar counterflow flames

Y Wang, SH Chung - Progress in Energy and Combustion Science, 2019 - Elsevier
Many practical soot-emitting combustion systems such as diesel and jet engines rely on
diffusion flames for efficient and reliable operation. Efforts to mitigate soot emissions from …

Effects of oxygenated biofuel additives on soot formation: A comprehensive review of laboratory-scale studies

L Xu, Y Wang, D Liu - Fuel, 2022 - Elsevier
Oxygenated fuels have been widely used in combustion engines to tailor fuel properties,
improve combustion performance and reduce harmful emissions such as soot particles …

Effects of adding cyclohexane, n-hexane, ethanol, and 2, 5-dimethylfuran to fuel on soot formation in laminar coflow n-heptane/iso-octane diffusion flame

H Chu, Y Ya, X Nie, F Qiao, E Jiaqiang - Combustion and Flame, 2021 - Elsevier
The molecular structure strongly affects the fuel sooting propensity. This study aims to
investigate the effects of oxygen-free and oxygen-containing aliphatic and aromatic …

On the opposing effects of methanol and ethanol addition on PAH and soot formation in ethylene counterflow diffusion flames

F Yan, L Xu, Y Wang, S Park, SM Sarathy… - Combustion and …, 2019 - Elsevier
An experimental and numerical analysis of the effects of methanol and ethanol addition on
polycyclic aromatic hydrocarbon (PAH) and soot formation in non-premixed ethylene flames …

Soot modeling of counterflow diffusion flames of ethylene-based binary mixture fuels

Y Wang, A Raj, SH Chung - Combustion and Flame, 2015 - Elsevier
A soot model was developed based on the recently proposed PAH growth mechanism for C
1–C 4 gaseous fuels (KAUST PAH Mechanism 2, KM2) that included molecular growth up to …

Compositional effects on PAH and soot formation in counterflow diffusion flames of gasoline surrogate fuels

S Park, Y Wang, SH Chung, SM Sarathy - Combustion and Flame, 2017 - Elsevier
Gasoline surrogate fuels are widely used to understand the fundamental combustion
properties of complex refinery gasoline fuels. In this study, the compositional effects on …

Chemical effects of hydrogen addition on soot formation in counterflow diffusion flames: Dependence on fuel type and oxidizer composition

L Xu, F Yan, Y Wang, SH Chung - Combustion and Flame, 2020 - Elsevier
We experimentally studied and kinetically modeled the effects of hydrogen addition on soot
formation in methane and ethylene counterflow diffusion flames (CDFs). To isolate the …

Effects of hydrogen and nitrogen on soot volume fraction, primary particle diameter and temperature in laminar ethylene/air diffusion flames

Z Sun, B Dally, G Nathan, Z Alwahabi - Combustion and Flame, 2017 - Elsevier
This study reports the effects of hydrogen (H 2) and nitrogen (N 2) blended into the fuel on
soot evolution and flame temperature in axisymmetric ethylene/air diffusion flames at …

Effects of ethanol and 2, 5-dimethylfuran addition on the morphology and nanostructure evolution of soot in gasoline primary reference fuel-air coflow diffusion flames

H Chu, Y Ya, X Nie, Y Zhou, J Hu, S Dong, E Jiaqiang - Fuel, 2020 - Elsevier
The sediment morphology and oxidation activity of soot at different heights above the burner
are studied for three fuels. The three fuels are n-heptane/iso-octane mixtures (0% 2, 5 …

Experimental and soot modeling studies of ethylene counterflow diffusion flames: Non-monotonic influence of the oxidizer composition on soot formation

L Xu, F Yan, M Zhou, Y Wang, SH Chung - Combustion and Flame, 2018 - Elsevier
Previous soot studies in counterflow diffusion flames revealed that the sooting limit curve in
regions with large oxygen mole fractions (XO) exhibited marked bending behaviors that …