[HTML][HTML] Turbulence effects on the formation and growth of nano-particles in three-dimensional premixed and non-premixed flames

L Cifuentes, I Wlokas, P Wollny, A Kempf - Applications in Energy and …, 2023 - Elsevier
This study examines the impact of turbulence on particle-forming flames via three-
dimensional direct numerical simulations. The simulations employ the finite rate chemistry …

On the use of PIV, LII, PAH-PLIF and OH-PLIF for the study of soot formation and flame structure in a swirl stratified premixed ethylene/air flame

M Bouvier, G Cabot, J Yon, F Grisch - Proceedings of the Combustion …, 2021 - Elsevier
Soot formation and oxidation are investigated in swirl stratified premixed ethylene/air flames
at atmospheric pressure. The effects of both swirl and stratification are studied to understand …

A consistent soot nucleation model for improved prediction of strain rate sensitivity in ethylene/air counterflow flames

E Quadarella, J Guo, HG Im - Aerosol Science and Technology, 2022 - Taylor & Francis
An improved consistent soot nucleation model was proposed and tested on ethylene
counterflow flames at different strain rates. The main objective of the proposed model is to …

Direct numerical simulations of nanoparticle formation in premixed and non-premixed flame–vortex interactions

L Cifuentes, J Sellmann, I Wlokas, A Kempf - Physics of Fluids, 2020 - pubs.aip.org
Direct numerical simulations (DNSs) of nanoparticle formation in reactive flows are
challenging, and only greatly simplified DNS test-cases are possible, which help clarify the …

[HTML][HTML] Effects of curvature on soot formation in steady and unsteady counterflow diffusion flames

A Kalbhor, J van Oijen - Combustion and Flame, 2022 - Elsevier
A numerical study has been conducted in order to understand the effects of flame curvature
on soot formation in laminar non-premixed flames. For the fundamental understanding, the …

Soot modeling of ethylene counterflow diffusion flames

W Pejpichestakul, A Frassoldati, A Parente… - Combustion Science …, 2019 - Taylor & Francis
Combustion-generated nanoparticles cause detrimental effects to not only health and
environment but also combustion efficiency. A detailed kinetic mechanism employing a …

Investigation of soot sensitivity to strain rate in ethylene counterflow soot formation oxidation flames

E Quadarella, Z Li, J Guo, WL Roberts, HG Im - Proceedings of the …, 2023 - Elsevier
Soot sensitivity to strain rate is mainly responsible for soot formation intermittence in
practical combustion devices. This work provides a fundamental study on soot formation in …

Non-gray gas and particle radiation in a pulverized coal jet flame

J Guo, X Jiang, HG Im, Z Liu - Combustion and Flame, 2022 - Elsevier
In pulverized coal combustion, the participating radiative media includes gas, soot, and
coal/char particles; a fundamental understanding of their radiation behavior is essential for …

Assessing PAHs-based soot inception models in various laminar non-premixed flame configurations

J Guo, P Liu, E Quadarella, WL Roberts, HG Im - Combustion and Flame, 2024 - Elsevier
Accurate soot modeling is challenging due to the complex underlying physical and chemical
processes. To improve the fidelity of the soot prediction in inverse coflow flame …

Experimental investigation of soot production in a confined swirled flame operating under perfectly premixed rich conditions

M Roussillo, P Scouflaire, S Candel… - Proceedings of the …, 2019 - Elsevier
A detailed understanding of the mechanisms underlying soot production is needed to control
particle emissions from practical combustion devices. This requires fundamental …