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Proceedings Paper

New method for temperature measurements of droplets
Author(s): Johannes K. Schaller; S. Wassenberg; Christo G. Stojanoff
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Paper Abstract

A new method for the determination of the temperature of single droplets is presented. The method utilizes the analysis of the near field scattered light distribution. This distribution exhibits sharp peaks, the so-called glare points, if observed through a lens with finite aperture. The ratio of the brightnesses of the glare points of the zero and the first orders shows a monotonic dependence on the index of refraction. The ratio is measured and the temperature is calculated by means of the known dependence of the index of refraction on the temperature.

Paper Details

Date Published: 18 March 1994
PDF: 9 pages
Proc. SPIE 2122, Laser Applications in Combustion and Combustion Diagnostics II, (18 March 1994); doi: 10.1117/12.171291
Show Author Affiliations
Johannes K. Schaller, Technical Univ. of Aachen (Germany)
S. Wassenberg, Technical Univ. of Aachen (Germany)
Christo G. Stojanoff, Technical Univ. of Aachen (Germany)

Published in SPIE Proceedings Vol. 2122:
Laser Applications in Combustion and Combustion Diagnostics II
Randy J. Locke, Editor(s)

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