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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Measurement of the temperature distribution over a combusting droplet in monodisperse stream using two colors laser-induced fluorescence

Pascal Lavieille
University of Toulouse, UPS, INPT, LAPLACE (Laboratory Plasma and Conversion of Energy); CNRS, LAPLACE, F-31062 Toulouse, France

Fabrice Lemoine
Laboratoire d'Energetique et de Mecanique Theorique et Appliquee Institut National Polytechnique de Lorraine, Universite Henri Poincare - Nancy I 2, Avenue de la Foret de Haye BP 160, F-54504 Vandoeuvre-les-Nancy Cedex France

Michel Lebouche
Laboratoire d'Energetique et de Mecanique Theorique et Appliquee Institut National Polytechnique de Lorraine, Universite Henri Poincare - Nancy I 2, Avenue de la Foret de Haye BP 160, F-54504 Vandoeuvre-les-Nancy Cedex France

DOI: 10.1615/IHTC12.5110
6 pages

Resumo

Spray combustion modeling requires reliable experimental data on the energetic budget of evaporating and combusting droplets in their gaseous environment. The droplet temperature is a key point in these investigations. The tow colors laser-induced fluorescence has been demonstrated as space averaged droplet temperature measurement technique. In this paper, the possibility to extend this technique in order to obtain the temperature distribution within the droplet is presented. It may provide valuable information about the heat diffusion in the liquid droplet, during the heating phase. The technique is tested on a combusting monodisperse droplet stream, with 200 μm droplet diameter.

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