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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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De Goey, Philip
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024Iron powder particles as a clean and sustainable carriercitations
- 2024Cyclic reduction of combusted iron powdercitations
- 2024Towards an efficient metal energy carrier for zero–emission heating and power:Iron powder combustioncitations
- 2024Towards an efficient metal energy carrier for zero–emission heating and powercitations
- 2024The Heat Flux Method for hybrid iron–methane–air flamescitations
- 2024Thermoacoustic stability analysis and robust design of burner-deck-anchored flames using flame transfer function composition
- 2024Cyclic reduction of combusted iron powder:A study on the material properties and conversion reaction in the iron fuel cyclecitations
- 2024Iron powder particles as a clean and sustainable carrier:Investigating their impact on thermal outputcitations
- 2024Experimental and Statistical Analysis of Iron Powder for Green Heat Productioncitations
- 2024A numerical study of emission control strategies in an iron powder burnercitations
- 2023Particle Equilibrium Composition model for iron dust combustioncitations
- 2023Experimental Research On Iron Combustion At Eindhoven University of Technology
- 2023Experimental Research On Iron Combustion At Eindhoven University of Technology
- 2023The Heat Flux Method adapted for hybrid iron-methane-air flames
- 2023Characterising Iron Powder Combustion using an Inverted Bunsen Flame
- 2023Characterising Iron Powder Combustion using an Inverted Bunsen Flame
- 2023Burning Velocity Measurements for Flat Hybrid Iron-Methane-Air Flames
- 2023Size evolution during laser-ignited single iron particle combustioncitations
- 2022Phase transformations and microstructure evolution during combustion of iron powdercitations
- 2022Laminar burning velocity of hybrid methane-iron-air flames
- 2021Burn time and combustion regime of laser-ignited single iron particlecitations
- 2014On hydrogen addition effects in turbulent combustion using the Flamelet Generated Manifold technique
- 2011Gasoline port fuel injection on a heavy-duty diesel engine
- 2009Visualization of biomass pyrolysis and temperature imaging in a heated-grid reactorcitations
- 2008Reverse combustion : kinetically controlled and mass transfer controlled front structurescitations
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article
Burn time and combustion regime of laser-ignited single iron particle
Abstract
<p>An improved particle generator based on electrodynamic powder fluidization is proposed and constructed for investigating single metal particle's combustion. The designed setup is able to generate a single metal particle moving upward with a well controlled velocity and trajectory and ignite it at near-uniform conditions by an infrared laser beam with flattened elliptical beam profile. Mechanically sieved narrow fractions of spherical iron particles with mean sizes in the range of around 26–54 μm were used in experiments. Particles burned in O<sub>2</sub>/N<sub>2</sub> mixtures with oxygen content varying from 21% to 36%. Particle's trajectories, velocities, and arbitrary radiant intensities were measured by taking images with a high-speed camera and processing them with an in-house developed data processing program. Two characteristic times associated with particle combustion were measured: 1) total duration of high-temperature phase (t<sub>tot</sub>) and 2) time to the maximum brightness (t<sub>max</sub>). The results show that t<sub>tot</sub> and t<sub>max</sub> can be described by a d<sup>n</sup>-law with 1.57≲n≲1.72 and 1.46≲n≲1.60, respectively. The effect of oxygen concentration on t<sub>tot</sub>, t<sub>max</sub>, and t<sub>dec</sub>=t<sub>tot</sub>−t<sub>max</sub> was analyzed for selected particle sizes of 30, 40, and 50 μm. It was found that t<sub>max</sub>∝(1/X<sub>O2</sub>)<sup>n</sup> with 1.04≲n≲1.18 is almost linearly proportional to 1/X<sub>O2</sub>, while t<sub>dec</sub> shows a very weak dependency on the oxygen concentration at 26%–36%. This can be explained by the idea that the overall combustion process of iron is controlled by first external and then internal diffusion of oxygen owing to the saturation of oxygen on the particle surface.</p>