Study of the formation of soot and its precursors in flames using optical diagnostics

P Desgroux, X Mercier, KA Thomson - Proceedings of the Combustion …, 2013 - Elsevier
Soot particle emission from combustion processes is a significant environmental and health
problem. Optical detection is clearly the only viable choice for in situ PAH and soot …

The importance of accurately modelling soot and radiation coupling in laminar and laboratory-scale turbulent diffusion flames

F Liu, JL Consalvi, F Nmira - Combustion and Flame, 2023 - Elsevier
Ultrafine and highly light absorbing soot particles have been known to be harmful to human
health and a major climate forcer. Understanding the mechanisms of soot formation and …

Investigation of soot formation in pressurized swirl flames by laser measurements of temperature, flame structures and soot concentrations

KP Geigle, M Köhler, W O'Loughlin, W Meier - Proceedings of the …, 2015 - Elsevier
Soot formation and oxidation were investigated in swirl flames operated with ethylene/air at
elevated pressure in a gas turbine model combustor with optical access. Coherent anti …

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 …

A weighted-sum-of-gray soot-fractal-aggregates model for nongray heat radiation in the high temperature gas-soot mixture

Z He, C Dong, D Liang, J Mao - Journal of Quantitative Spectroscopy and …, 2021 - Elsevier
Soot, a product of insufficient combustion, is usually in the form of aggregate. The multi-
scattering of soot fractal aggregates has been proved to play an important role in studying …

Simultaneous measurements of gas temperature, soot volume fraction and primary particle diameter in a sooting lifted turbulent ethylene/air non-premixed flame

D Gu, Z Sun, BB Dally, PR Medwell, ZT Alwahabi… - Combustion and …, 2017 - Elsevier
Simultaneous, planar measurements of flame temperature (T), soot volume fraction (fv),
primary particle diameter (dp) and the derived number density of primary particles (N p) are …

Flow field characterization of pressurized sooting swirl flames and relation to soot distributions

KP Geigle, R Hadef, M Stöhr, W Meier - Proceedings of the Combustion …, 2017 - Elsevier
Mean and instantaneous flow fields were derived for sooting pressurized swirl flames,
operated with ethylene/air in an aero-engine model combustor. Stereo particle image …

Experimental characterization and numerical simulation of a sooting lifted turbulent jet diffusion flame

M Köhler, KP Geigle, T Blacha, P Gerlinger… - Combustion and …, 2012 - Elsevier
A sooting C2H4/air jet diffusion flame was investigated experimentally by laser measuring
techniques and the results are compared to CFD calculations. The target flame (C2H4 10.4 …

Simultaneous planar measurements of temperature and soot volume fraction in a turbulent non-premixed jet flame

SM Mahmoud, GJ Nathan, PR Medwell… - Proceedings of the …, 2015 - Elsevier
New measurements are reported of the soot–temperature interaction in a turbulent non-
premixed ethylene–hydrogen–nitrogen attached jet flame with an exit Reynolds number of …

Soot formation and flame structure in swirl-stabilized turbulent non-premixed methane combustion

LY Wang, S Chatterjee, Q An, AM Steinberg… - Combustion and …, 2019 - Elsevier
The relationships between flow field, flame structure, and soot distribution were investigated
experimentally in turbulent 4 kW non-premixed swirl flames of methane and air at three …