Infrared system for methanol-droplets temperature measurement on a monodisperse jet

Nicolas Naudin; Jean A. Farre; Gerard Lavergne

doi:10.1117/12.204872

28 March 1995 Infrared system for methanol-droplets temperature measurement on a monodisperse jet

Nicolas Naudin, Jean A. Farre, Gerard Lavergne

Proceedings Volume 2473, Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications; (1995) https://doi.org/10.1117/12.204872
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

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.

Citation Download Citation

Nicolas Naudin, Jean A. Farre, and Gerard Lavergne "Infrared system for methanol-droplets temperature measurement on a monodisperse jet", Proc. SPIE 2473, Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (28 March 1995); https://doi.org/10.1117/12.204872

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