Characterization of tracers for two-color laser-induced fluorescence liquid-phase temperature imaging in sprays

Markus Prenting; Thomas Dreier; Christof Schulz

doi:10.1364/LACSEA.2020.LTh5F.2

Optical Sensors and Sensing Congress
OSA Technical Digest (Optica Publishing Group, 2020),
paper LTh5F.2
•https://doi.org/10.1364/LACSEA.2020.LTh5F.2

Characterization of tracers for two-color laser-induced fluorescence liquid-phase temperature imaging in sprays

Markus Prenting, Thomas Dreier, and Christof Schulz

Laser Applications to Chemical, Security and Environmental Analysis 2020

Washington, DC United States
22–26 June 2020
ISBN: 978-1-943580-78-1

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Combustion and Flow Diagnostics II (LTh5F)

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M. Prenting, T. Dreier, and C. Schulz, "Characterization of tracers for two-color laser-induced fluorescence liquid-phase temperature imaging in sprays," in Optical Sensors and Sensing Congress, OSA Technical Digest (Optica Publishing Group, 2020), paper LTh5F.2.

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Abstract

We recorded temperahrre-dependent fluorescence spectra of nine laser dyes for their suitability for dvo-color laser-induced fluorescence (2cLIF) thermometry in liquid sprays. Due to the high temperahrre sensitivity and a large Stokes shift, coumarin 152 hrrned out to be most suited. Temperature imaging is demonstrated in an ethanol spray flame.

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