Time-Resolved Laser-Induced Incandescence of Soot: The Influence of Experimental Factors and Microphysical Mechanisms

Publication Type  Journal Article
Year of Publication  2003
Authors  Michelsen, H.A.; Witze, P.O.; Kayes, D.; Hochgreb, S.
Journal Title  Applied Optics
Volume  42
Number  27
Pages  5577-5590
Journal Date  September 2003
Abstract  We present a data set for testing models of time-resolved laser-induced incandescence of soot. Measurements were made in a laminar ethene diffusion flame over a wide range of laser fluences at 532 nm. The laser was seeded to provide a smooth temporal profile, and the beam was spatially filtered and imaged into the flame to provide a homogeneous spatial profile. The particle incandescence was imaged onto a fast photodiode. The measurements are compared with the standard Melton model and with a new model that incorporates physical mechanisms not included in the Melton model.
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