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dc.contributor.authorDing, Pengji
dc.contributor.authorRuchkina, Maria
dc.contributor.authorDel Cont-Bernard, Davide
dc.contributor.authorEhn, Andreas
dc.contributor.authorLacoste, Deanna
dc.contributor.authorBood, Joakim
dc.date.accessioned2021-05-26T07:45:29Z
dc.date.available2021-05-26T07:45:29Z
dc.date.issued2021-04-23
dc.identifier.citationDing, P., Ruchkina, M., Del Cont-Bernard, D., Ehn, A., Lacoste, D. A., & Bood, J. (2021). Temporal dynamics of femtosecond-TALIF of atomic hydrogen and oxygen in a nanosecond repetitively pulsed discharge-assisted methane–air flame. Journal of Physics D: Applied Physics, 54(27), 275201. doi:10.1088/1361-6463/abf61f
dc.identifier.issn1361-6463
dc.identifier.issn0022-3727
dc.identifier.doi10.1088/1361-6463/abf61f
dc.identifier.urihttp://hdl.handle.net/10754/669255
dc.description.abstractThe temporal dynamics of the spatial distribution of atomic hydrogen and oxygen in a lean methane-air flame, forced by a nanosecond repetitively pulsed discharge-induced plasma, are investigated via femtosecond two-photon absorption laser-induced fluorescence technique. Plasma luminescence that interferes with the fluorescence from H and O atoms was observed to decay completely within 15 ns, which is the minimum delay required for imaging measurements with respect to the discharge occurrence. During discharge, H atoms in the excited state rather than the ground state, produced by electron-impact dissociation processes, are detected at the flame front. It was found that the temporal evolution of H and O fluorescence intensity during a cycle of 100 µs between two discharge pulses remains constant. Finally, the decay time of O-atoms produced by the discharge in the fresh methane-air mixture was about 2 µs, which suggests a faster reaction between O-atoms and methane than in air.
dc.description.sponsorshipThis research work was sponsored by the National Science Foundation for Young Scientists of China (Grant No. 12004147), the King Abdullah University of Science and Technology (KAUST), the Knut and Alice Wallenberg Foundation, the European Research Council (ERC) through the advanced grant TUCLA (No. 669466), the Swedish Research Council (VR), the Swedish Foundation for Strategic Research (SSF, ITM17-0309), and the Swedish Energy Agency through the Centre for Combustion Science and Technology (CECOST).
dc.publisherIOP Publishing
dc.relation.urlhttps://iopscience.iop.org/article/10.1088/1361-6463/abf61f
dc.rightsOriginal content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.titleTemporal dynamics of femtosecond-TALIF of atomic hydrogen and oxygen in a nanosecond repetitively pulsed discharge-assisted methane-air flame
dc.typeArticle
dc.contributor.departmentMechanical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.contributor.departmentClean Combustion Research Center
dc.identifier.journalJournal of Physics D: Applied Physics
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionSchool of Nuclear Science and Technology, Lanzhou University, 730000 Lanzhou, People's Republic of China
dc.contributor.institutionDivision of Combustion Physics, Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
dc.identifier.volume54
dc.identifier.issue27
dc.identifier.pages275201
kaust.personDel Cont-Bernard, Davide
kaust.personLacoste, Deanna
dc.identifier.eid2-s2.0-85105398036
refterms.dateFOA2021-05-26T07:49:17Z
dc.date.published-online2021-04-23
dc.date.published-print2021-07-08


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Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Except where otherwise noted, this item's license is described as Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.