Cavity ring down spectroscopy of CH, CH2, HCO, and H2CO in a premixed flat flame at both atmospheric and sub-atmospheric pressure

R. Evertsen, A.D. Staicu, J.A. Oijen, van, N.J. Dam, L.P.H. Goey, de, J.J. Meulen, ter

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Density distributions of CH, CH2, HCO and H2CO have been measured in a premixed CH4/air flat flame by Cavity Ring Down Spectroscopy (CRDS). At atmospheric pressure problems are encountered due to the narrow spatial distribution of these species. Rotational flame Temperatures have been derived from the spectral line intensities of CH. Additional distributions of the species are recorded in a low-pressure set up at 2x104 Pa. The results at both pressures are compared to modeling calculations using GRI-Mech 2.11 and 3.0 showing a relatively good agreement. Deviations are attributed to the applied reaction mechanisms.
Original languageEnglish
Title of host publicationProceedings of the European Combustion Meeting 2003 (ECM 2003) October 25-28, 2003, France, Orleans
EditorsC. Cheauveau, C. Vovelle
Place of Publications.l.
Publishers.n.
Pagespaper-94
Publication statusPublished - 2003

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