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 …

Classification and computation of extreme events in turbulent combustion

M Hassanaly, V Raman - Progress in Energy and Combustion Science, 2021 - Elsevier
In the design of practical combustion systems, ensuring safety and reliability is an important
requirement. For instance, reliably avoiding lean blowout, flame flashback or inlet unstart is …

Toward elimination of soot emissions from jet fuel combustion

GA Kelesidis, A Nagarkar, U Trivanovic… - Environmental …, 2023 - ACS Publications
Soot from jet fuel combustion in aircraft engines contributes to global warming through the
formation of contrail cirrus clouds that make up to 56% of the total radiative forcing from …

Large eddy simulations of mean pressure and H2 addition effects on the stabilization and dynamics of a partially-premixed swirled-stabilized methane flame

PW Agostinelli, D Laera, I Chterev, I Boxx… - Combustion and …, 2023 - Elsevier
This work analyzes pressure and hydrogen enrichment effects on the stabilization and
combustion dynamics of a partially-premixed swirled-stabilized methane flame operated at …

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 …

Time-resolved study of mixing and reaction in an aero-engine model combustor at increased pressure

I Litvinov, J Yoon, C Noren, M Stöhr, I Boxx… - Combustion and …, 2021 - Elsevier
In this study, we experimentally investigate large-scale vortex structures, fuel-air mixing and
reaction processes, which occur in a partially premixed swirl-stabilized ethylene/air flame in …

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 …

Impact of direct integration of Analytically Reduced Chemistry in LES of a sooting swirled non-premixed combustor

A Felden, E Riber, B Cuenot - Combustion and Flame, 2018 - Elsevier
Large-eddy simulation (LES) of a swirl-stabilized non-premixed ethylene/air aero-engine
combustor experimentally studied at DLR is performed, with direct integration of Analytically …

Visualization of soot inception in turbulent pressurized flames by simultaneous measurement of laser-induced fluorescence of polycyclic aromatic hydrocarbons and …

KP Geigle, W O'Loughlin, R Hadef, W Meier - Applied Physics B, 2015 - Springer
Distributions of polycyclic aromatic hydrocarbons (PAH) and their correlation with soot
formation were studied in ethylene–air swirl flames stabilized in a gas turbine model …

Large eddy simulation of pressure and dilution-jet effects on soot formation in a model aircraft swirl combustor

ST Chong, M Hassanaly, H Koo, ME Mueller… - Combustion and …, 2018 - Elsevier
Soot formation in a model aircraft engine configuration operating at elevated pressures is
studied using large eddy simulation (LES) and detailed models for precursor and soot …