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Proceedings Paper

Infrared system for methanol-droplets temperature measurement on a monodisperse jet
Author(s): Nicolas Naudin; Jean A. Farre; Gerard Lavergne
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Paper Abstract

The first results of our work concerning the vaporizing methanol droplets temperature measurement on a monodisperse (i.e., monosized and equally spaced) droplets stream are presented. The purpose of this study is the development of an infrared system that is able to measure the temperature of a moving methanol droplet, in order to validate experimentally the models of fuel droplets heating and vaporization. Instead of tracking the droplet along its trajectory, we work with a monodisperse droplets chain and we measure the droplet temperature along the stream. An IR system composed of an extended blackbody, two off-axis parabolical mirrors, and a LWIR monodetector has been built. This paper describes the experimental setup, the measurement principle and presents the first results concerning the temperature measurement along a jet of methanol vaporizing droplets of 200 micrometers in diameter with injection speed up to 5.2 m/s.

Paper Details

Date Published: 28 March 1995
PDF: 8 pages
Proc. SPIE 2473, Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (28 March 1995); doi: 10.1117/12.204872
Show Author Affiliations
Nicolas Naudin, CERT-ONERA and Ecole Nationale Superieure de l'Aeronautique et de l'Espace (France)
Jean A. Farre, CERT-ONERA and Ecole Nationale Superieure de l'Aeronautique et de l'Espace (France)
Gerard Lavergne, CERT-ONERA (France)


Published in SPIE Proceedings Vol. 2473:
Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications
Sharon A. Semanovich, Editor(s)

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