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 …

Modeling of fine-particle formation in turbulent flames

V Raman, RO Fox - Annual Review of Fluid Mechanics, 2016 - annualreviews.org
The generation of nanostructured particles in high-temperature flames is important both for
the control of emissions from combustion devices and for the synthesis of high-value …

Influence of trapezoidal lobe strut on fuel mixing and combustion in supersonic combustion chamber

Y Jiang, M Hajivand, H Sadeghi… - Aerospace Science and …, 2021 - Elsevier
The fuel injection system is the main process in supersonic vehicles. In this article, injection
of fuel jet through a trapezoidal strut in the coaxial supersonic air stream is investigated. The …

Numerical simulation of the hydrogen mixing in downstream of lobe strut at supersonic flow

X Liu, M Sheikholeslami, MB Gerdroodbary… - International Journal of …, 2020 - Elsevier
In this work, a computational fluid dynamic approach is employed to investigate the flow and
mixing characteristics of the fuel jet released from the trailing edge of the lobe strut at the …

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 …

Scale Adaptive Simulation of a thermoacoustic instability in a partially premixed lean swirl combustor

JM Lourier, M Stöhr, B Noll, S Werner, A Fiolitakis - Combustion and Flame, 2017 - Elsevier
The thermoacoustic oscillation of a turbulent, swirl-stabilized, partially premixed flame in the
PRECCINSTA gas turbine model combustor is analyzed by means of a Scale Adaptive …

Soot formation and flame characterization of an aero-engine model combustor burning ethylene at elevated pressure

K Peter Geigle, R Hadef… - … of Engineering for …, 2014 - asmedigitalcollection.asme.org
Swirl-stabilized, nonpremixed ethylene/air flames were investigated at pressures up to 5 bar
to study the effect of different operating parameters on soot formation and oxidation. Focus of …

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 …