Combustion, chemistry, and carbon neutrality

K Kohse-Höinghaus - Chemical Reviews, 2023 - ACS Publications
Combustion is a reactive oxidation process that releases energy bound in chemical
compounds used as fuels─ energy that is needed for power generation, transportation …

Physical and mathematical models of micro-explosions: achievements and directions of improvement

DV Antonov, RM Fedorenko, LS Yanovskiy… - Energies, 2023 - mdpi.com
The environmental, economic, and energy problems of the modern world motivate the
development of alternative fuel technologies. Multifuel technology can help reduce the …

Impact of wall heat transfer in Large Eddy Simulation of flame dynamics in a swirled combustion chamber

PW Agostinelli, D Laera, I Boxx, L Gicquel… - Combustion and …, 2021 - Elsevier
Abstract Large Eddy Simulation (LES) is a fundamental research tool to study gas turbines
and aero-engine combustors. In LES, although rarely addressed systematically, it is known …

On the impact of H2-enrichment on flame structure and combustion dynamics of a lean partially-premixed turbulent swirling flame

PW Agostinelli, D Laera, I Chterev, I Boxx… - Combustion and …, 2022 - Elsevier
Abstract Large Eddy Simulation (LES) with Conjugate Heat Transfer (CHT) is used to
analyze the impact of H 2-enrichment on the flame structure and combustion dynamics of a …

[HTML][HTML] Time evolution of composite fuel/water droplet radii before the start of puffing/micro-explosion

RM Fedorenko, DV Antonov, PA Strizhak… - International Journal of …, 2022 - Elsevier
Puffing and micro-explosion processes in composite water/fuel (kerosene, Diesel fuel and
rapeseed oil) droplets are investigated experimentally and numerically, using the recently …

Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector

A Aniello, D Laera, S Marragou, H Magnes, L Selle… - Combustion and …, 2023 - Elsevier
This study investigates H 2-air flames obtained with a laboratory scale coaxial dual-swirl
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …

Breakup and explosion of droplets of two immiscible fluids and emulsions

DV Antonov, MV Piskunov, PA Strizhak - International Journal of Thermal …, 2019 - Elsevier
The explosive breakup of liquid, emulsion, and slurry droplets enables a several-fold
increase of their evaporation surface area. This effect reduces the energy and time required …

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 …

Experimental study of transient mechanisms of bistable flame shape transitions in a swirl combustor

M Stöhr, K Oberleithner… - … of Engineering for …, 2018 - asmedigitalcollection.asme.org
Sudden changes of flame shape are an undesired, yet poorly understood feature of swirl
combustors used in gas turbines. The present work studies flame shape transition …

A combined oscillation cycle involving self-excited thermo-acoustic and hydrodynamic instability mechanisms

D Fredrich, WP Jones, AJ Marquis - Physics of Fluids, 2021 - pubs.aip.org
The paper examines the combined effects of several interacting thermo-acoustic and
hydrodynamic instability mechanisms that are known to influence self-excited combustion …