Plasma-assisted ammonia combustion: the effect of equivalence ratio on NO emissions

Goktepe, Burak, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Morris, Steven ORCID: https://orcid.org/0000-0001-5865-8911 and Mashruk, Syed 2024. Plasma-assisted ammonia combustion: the effect of equivalence ratio on NO emissions. Presented at: Cardiff University Engineering Research Conference 2023, Cardiff, UK, 12-14 July 2023. Published in: Spezi, Emiliano and Bray, Michaela eds. Proceedings of the Cardiff University Engineering Research Conference 2023. Cardiff: Cardiff University Press, pp. 176-180. 10.18573/conf1.an

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Abstract

As a carbon-free fuel and hydrogen carrier, ammonia has gained increasing attention in the combustion community to support the global decarbonisation efforts. However, it has unfavorable flame properties and emissions characteristics such as low flammability and intrinsic trade-off between nitric oxide emissions and slip ammonia that hinders its widespread integration to the heat and power sectors. As a promising technology, non-thermal plasma has already presented the potential to assist swirling ammonia flames with significant improvements in NOX abatement and flammability, while eliminating the need for blending with other reactive fuels such as hydrogen and methane. For this study, a plasma burner was designed to explore plasma discharge interaction with a highly swirling premixed ammonia flame over a range of equivalence ratios, and its effect on NO emissions. The results revealed that average plasma power varied with the equivalence ratio and the reduced electric field affected the NO emissions characteristics of premixed ammonia flames.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Additional Information:	Contents are extended abstracts of papers, not full papers
Publisher:	Cardiff University Press
ISBN:	978-1-9116-5349-3
Funders:	UKRI, European Regional Development Fund
Date of First Compliant Deposit:	10 June 2024
Date of Acceptance:	2024
Last Modified:	30 Jul 2024 12:38
URI:	https://orca.cardiff.ac.uk/id/eprint/169712

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