Status and challenges for realizing low emission with hydrogen ultra-lean combustion

H Du, WS Chai, H Wei, L Zhou - International Journal of Hydrogen Energy, 2024 - Elsevier
As fossil fuels currently account for approximately 85% of the world's energy demands, the
rapid growth of the global population and the economy is projected to increase greenhouse …

[HTML][HTML] Multiplicity of solutions of lifted jet edge flames: Symmetrical and non-symmetrical configurations

C Jiménez, VN Kurdyumov - Combustion and Flame, 2023 - Elsevier
A numerical investigation of the combustion process taking place after fuel and oxidizer are
injected separately into a planar channel from an end-wall porous plug is presented. A fuel …

Identifying the roles of reduced gravity and pressure on the piloted ignition of solid combustibles

S Fereres, C Fernandez-Pello, DL Urban, GA Ruff - Combustion and Flame, 2015 - Elsevier
The influence of environmental conditions on solid fuel ignition is of particular interest in
spacecraft fire safety because of the large difference in environments between a spacecraft …

Lifted jet edge flames: symmetric and non-symmetric configurations

VN Kurdyumov, C Jiménez - Combustion Theory and Modelling, 2022 - Taylor & Francis
The purpose of this work is to demonstrate that there are different stable configurations of
lifted edge flames for the same set of parameters. It is shown that when a fuel jet is injected …

Taylor dispersion and thermal expansion effects on flame propagation in a narrow channel

P Pearce, J Daou - Journal of fluid mechanics, 2014 - cambridge.org
Taylor dispersion and thermal expansion effects on flame propagation in a narrow channel
Page 1 J. Fluid Mech. (2014), vol. 754, pp. 161–183. c Cambridge University Press 2014 doi:10.1017/jfm.2014.404 …

[HTML][HTML] Edge-flames in circular channels: Multiplicity of steady-state axisymmetric solutions

VN Kurdyumov, C Jiménez - Combustion and Flame, 2024 - Elsevier
A numerical study of the combustion process occurring after separate injection of fuel and
oxidizer through an end-wall porous plug into a semi-infinite circular channel is presented …

Flame Balls in a non-uniform reactive mixture: preferential diffusion, heat-loss and stability

J Daou, R Daou - Combustion Theory and Modelling, 2019 - Taylor & Francis
The paper examines the existence and stability of axisymmetric flame balls in a non-uniform
reactive mixture corresponding to a mixing layer taking into account preferential diffusion …

Flame balls in mixing layers

J Daou, R Daou - Combustion and flame, 2014 - Elsevier
We present a study of flame balls in a two-dimensional mixing layer with one objective being
to derive an ignition criterion (for triple-flames) in such a non-homogeneous reactive mixture …

Stationary edge flames in a wedge with hydrodynamic variable-density interaction

B Shields, JB Freund, C Pantano - Combustion and Flame, 2020 - Elsevier
The behavior of nonpremixed edge flames to low and high strains in a wedge-shaped
region are simulated and studied in detail. The chemistry is modeled by a one-step …

Flame balls in non-uniform mixtures: existence and finite activation energy effects

R Daou, P Pearce, J Daou - Combustion Theory and Modelling, 2016 - Taylor & Francis
The paper's broad motivation, shared by a recent theoretical investigation [Daou and
Daou,“Flame balls in mixing layers,” Combustion and Flame, Vol. 161 (2014), pp. 2015 …