Abstract
Practical flames are normally produced starting from hydrocarbons mixtures often poorly defined from a chemical point of view; they are introduced into the system in the form of liquid and/or solid particles. The presence of regions where the fuel pyrolysis takes place are almost unavoidable given the intrisic times of the vaporization and devolatilization processes. Consequently lighter compounds like C2H2, C2H4 are generated together with heavier ones like Polynuclear Aromatic Hydrocarbons (PAH) and eventually soot particles. In such systems, the development of optical diagnostics for simultaneous presence of different classes of particles and for the greater variety of the hydrocarbon species presents problems different from those in the lean or stoichiometrc combustion of gaseous fuels. Furthermore the flames show intense luminosity, space inhomogeneity and time fluctuations, due to turbulence or massive recirculation.
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D’Alessio, A., Beretta, F., Cavaliere, A., Menna, P. (1983). Laser Light Scattering and Fluorescence in Fuel Rich Flames: Techniques and Selected Results. In: Lahaye, J., Prado, G. (eds) Soot in Combustion Systems and Its Toxic Properties. NATO Conference Series, vol 7. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-4463-6_18
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DOI: https://doi.org/10.1007/978-1-4684-4463-6_18
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