Publication:
Minimum ignition energy of hydrogen-ammonia blends in air

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Térmica y de Fluidoses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Mecánica de Fluidoses
dc.contributor.authorFernández Tarrazo, Eduardo Antonio
dc.contributor.authorGomez Miguel, R.
dc.contributor.authorSánchez Sanz, Mario
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es
dc.date.accessioned2023-05-12T07:04:19Z
dc.date.available2023-05-12T07:04:19Z
dc.date.issued2023-04-01
dc.description.abstractWe present a numerical analysis to calculate the minimum ignition energy of hydrogen–ammonia blends in air at both under and over atmospheric pressure. Unlike previous calculations, we used the full compressible and reactive Navier–Stokes equations coupled with detailed chemical kinetics (San Diego mechanism for hydrogen, complemented with the San Diego chemistry for nitrogen). The effect of the size of the energy deposition region and the deposition time are considered to determine the most efficient method to ignite the mixture. Our calculations also evaluate the impact of the gas compressibility on the minimum ignition energy after a sudden energy deposition. The results are validated first by comparing the minimum ignition energy of pure hydrogen–air mixtures as a function of the equivalence ratio 𝜙 with available experimental data and previous numerical results. Then, fuel blends made of mixtures of hydrogen and ammonia (NH3) are considered to calculate the minimum ignition energy as a function of fuel composition, equivalence ratio and pressure. The full range of ammonia volumetric content in the blend is varied between the extreme cases of pure hydrogen and pure ammonia. For each fuel blend, we computed a wide range of equivalence ratios 𝜙 that, in the case of pure hydrogen at atmospheric conditions, ranged from 𝜙 = 7 to 𝜙 ≃ 0.07, near the lean flammability limit, to theoretically explain the experimental evidence of ultra-lean flames reported in the literature.en
dc.description.sponsorshipThis work was funded by the Agencia Estatal de Investigación of Spain under grants PID2019-108592RB-C41, and by the Plan de Recuperación Transformación y Resiliencia, financiado por la Unión Europea - NextGenerationEU. Funding for APC: Universidad Carlos III de Madrid Read & Publish Agreement, Spain CRUE-CSIC 2022.en
dc.format.extent6
dc.identifier.bibliographicCitationFernández-Tarrazo, E., Gómez-Miguel, R., & Sánchez-Sanz, M. (2023). Minimum ignition energy of hydrogen–ammonia blends in air. Fuel, 337, 127128.en
dc.identifier.doihttp://dx.doi.org/10.1016/j.fuel.2022.127128
dc.identifier.issn0016-2361
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue127128
dc.identifier.publicationlastpage6
dc.identifier.publicationtitleFuelen
dc.identifier.publicationvolume337
dc.identifier.urihttps://hdl.handle.net/10016/37276
dc.identifier.uxxiAR/0000032888
dc.language.isoeng
dc.publisherElsevieren
dc.relation.projectIDGobierno de España. PID2019-108592RB-C41es
dc.relation.projectIDAT-2022
dc.rights© 2022 The Author(s).en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaEnergías Renovableses
dc.subject.ecienciaFísicaes
dc.subject.ecienciaIngeniería Industriales
dc.subject.ecienciaIngeniería Mecánicaes
dc.subject.ecienciaMaterialeses
dc.subject.otherHydrogenen
dc.subject.otherAmmoniaen
dc.subject.otherIgnitionen
dc.subject.otherMieen
dc.subject.otherCompressibilityen
dc.titleMinimum ignition energy of hydrogen-ammonia blends in airen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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