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22 September 2003 Measurements of molecular carbon radical concentrations by saturated laser-induced fluorescence in hydrocarbon flames at atmospheric pressure
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Proceedings Volume 5149, Laser Applications in Medicine, Biology, and Environmental Science; (2003) https://doi.org/10.1117/12.519750
Event: International Conference on Lasers, Applications, and Technologies 2002, 2002, Moscow, Russian Federation
Abstract
The C2 abundance in flames at atmospheric pressure is reported for three fuel-rich combustion environments: acetylene/oxygen, Liquid Petroleum Gas (LPG)/air and methane/air flames. Measurements have been based on spectrographic and two-dimensional Laser-Induced Fluorescence (LIF) of the Δv = -1 d3IIg-a3IIu band. The oxyacetylene flame was utilized to establish a comparison with literature data and absolute values, calibrated through Rayleigh scattering, were found to be distributed within the 1014 cm-3 range. The induced emission from two Bunsen flames fed with LPG/air or methane/air was also investigated. Accumulated acquisitions were necessary to detect small C2 quantities in the order of 1010 cm-3 concentrated on the flame front.
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Michele Marrocco, Massimo D'Apice, Stefano Giammartini, M. Magaldi, and G. P. Romano "Measurements of molecular carbon radical concentrations by saturated laser-induced fluorescence in hydrocarbon flames at atmospheric pressure", Proc. SPIE 5149, Laser Applications in Medicine, Biology, and Environmental Science, (22 September 2003); https://doi.org/10.1117/12.519750
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