Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion

Köhler M, Brockhinke A, Braun-Unkhoff M, Kohse-Höinghaus K (2010)
JOURNAL OF PHYSICAL CHEMISTRY A 114(14): 4719-4734.

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Abstract
Quantitative concentration measurements of CH and C, have been performed in laminar, premixed, flat flames of propene and cyclopentene with varying stoichiometry. A combination of cavity ring-down (CRD) spectroscopy and laser-induced fluorescence (LIF) was used to enable sensitive detection of these species with high spatial resolution. Previously, CH and C-2 chemistry had been studied, predominantly in methane flames, to understand potential correlations of their formation and consumption. For flames of larger hydrocarbon fuels, however, quantitative information on these small intermediates is scarce, especially under fuel-rich conditions. Also, the combustion chemistry of C-2 in particular has not been studied in detail, and although it has often been observed, its role in potential build-up reactions of higher hydrocarbon species is not well understood. The quantitative measurements performed here are the first to detect both species with good spatial resolution and high sensitivity in the same experiment in flames of C-3 and C-5 fuels. The experimental profiles were compared with results of combustion modeling to reveal details of the formation and consumption of these important combustion molecules, and the investigation was devoted to assist the further understanding of the role of C-2 and of its potential chemical interdependences with CH and other small radicals.
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Köhler M, Brockhinke A, Braun-Unkhoff M, Kohse-Höinghaus K. Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion. JOURNAL OF PHYSICAL CHEMISTRY A. 2010;114(14):4719-4734.
Köhler, M., Brockhinke, A., Braun-Unkhoff, M., & Kohse-Höinghaus, K. (2010). Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion. JOURNAL OF PHYSICAL CHEMISTRY A, 114(14), 4719-4734.
Köhler, M., Brockhinke, A., Braun-Unkhoff, M., and Kohse-Höinghaus, K. (2010). Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion. JOURNAL OF PHYSICAL CHEMISTRY A 114, 4719-4734.
Köhler, M., et al., 2010. Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion. JOURNAL OF PHYSICAL CHEMISTRY A, 114(14), p 4719-4734.
M. Köhler, et al., “Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion”, JOURNAL OF PHYSICAL CHEMISTRY A, vol. 114, 2010, pp. 4719-4734.
Köhler, M., Brockhinke, A., Braun-Unkhoff, M., Kohse-Höinghaus, K.: Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion. JOURNAL OF PHYSICAL CHEMISTRY A. 114, 4719-4734 (2010).
Köhler, Markus, Brockhinke, Andreas, Braun-Unkhoff, Marina, and Kohse-Höinghaus, Katharina. “Quantitative Laser Diagnostic and Modeling Study of C2 and CH Chemistry in Combustion”. JOURNAL OF PHYSICAL CHEMISTRY A 114.14 (2010): 4719-4734.
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PMID: 20136115
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