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Erschienen in: Experiments in Fluids 2/2005

01.08.2005 | Originals

Evaluation of temperature gradients within combusting droplets in linear stream using two colors laser-induced fluorescence

verfasst von: Guillaume Castanet, Alain Delconte, Fabrice Lemoine, Loïc Mees, Gèrard Gréhan

Erschienen in: Experiments in Fluids | Ausgabe 2/2005

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Abstract

The scope of this paper concerns the heating process of fuel droplets injected in a hot gaseous environment. The two colors laser-induced fluorescence technique allows measuring the temperature distribution within a droplet by scanning the droplet volume by a sufficiently small probe volume compared to the droplet volume itself. The temperature field is reconstructed using two approaches which have been compared. One is based on a geometrical optics model and the other is based on the 3D calculation of the internal excitation field within the droplet, using the generalized Lorenz-Mie theory. Experimental results have been obtained on a combusting monodisperse ethanol droplet stream (diameter around 200 μm).

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Metadaten
Titel
Evaluation of temperature gradients within combusting droplets in linear stream using two colors laser-induced fluorescence
verfasst von
Guillaume Castanet
Alain Delconte
Fabrice Lemoine
Loïc Mees
Gèrard Gréhan
Publikationsdatum
01.08.2005
Erschienen in
Experiments in Fluids / Ausgabe 2/2005
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-005-0931-6

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