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Communication Dans Un Congrès Année : 2021

AMMONIA BLENDED FUELS – ENERGY SOLUTIONS FOR A GREEN FUTURE

S-E Zitouni
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S Mashruk
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N Mukundakumar
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P Brequigny
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A Zayoud
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E Pucci
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S Macchiavello
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F Contino
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R Bastiaans
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A Valera-Medina
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Résumé

Global warming is potentially the greatest challenge of this century, with anthropogenic CO2 emissions the main source of greenhouse gas (GHGs) emissions. Recently, ammonia (NH3) has gained attention as a potential carbon-free energy vector (carrier). NH3 can be produced from waste sources, renewable energy, coupled with already existing infrastructures for production and distribution. However, pure NH3 suffers from low flame speed and potentially important nitrogen oxide (NOx) emissions. As such, blending fuels such as methane (CH4) or hydrogen (H2) with NH3 could potentially address NH3's poor combustion capacities. Therefore, the program FLEXnCONFU has been conceived, supporting bespoke research to tackle some of the fundamental and applied challenges of using these blends. This paper addresses some of the current FLEXnCONFU's progress. Firstly, a series of experiments using a spherical expanding flame setup was employed to investigate potential increases in reactivity of NH3 and its blends with H2 and CH4. Secondly, direct numerical simulation (DNS) modelling of NH3/H2 turbulent expanding spherical flames was performed at lean and rich conditions. Finally, this study also discusses experimental results from an industrial scale swirl burner with varying content of CH4/NH3/H2 under rich condition (Φ = 1.2), in terms of radicals and exhaust emissions. The work is a step towards using non-conventional fuels such as NH3 and H2 and scaling up the technology from lab to industrial level.
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Dates et versions

hal-03519203 , version 1 (10-01-2022)

Identifiants

  • HAL Id : hal-03519203 , version 1

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S-E Zitouni, S Mashruk, N Mukundakumar, P Brequigny, A Zayoud, et al.. AMMONIA BLENDED FUELS – ENERGY SOLUTIONS FOR A GREEN FUTURE. 10th International Gas Turbine Conference, Oct 2021, virtual, Netherlands. ⟨hal-03519203⟩
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