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Laser-induced fluorescence temperature determination in fuel–air mixtures without additional fluorescence tracers

A concept for temperature determination of fuel–air mixtures using Laser-Induced Fluorescence (LIF) is presented. For this purpose the fluorescence spectra of gasoline were measured after excitation by frequency quadrupled Nd:YAG laser light at 266 nm in a temperature range between 373 K and 448 K....

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2010-12, Vol.101 (4), p.909-913
Main Authors: Rotter, F., Scholz, J., Grimsel, J., Wackerbarth, H., Beushausen, V.
Format: Article
Language:English
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Summary:A concept for temperature determination of fuel–air mixtures using Laser-Induced Fluorescence (LIF) is presented. For this purpose the fluorescence spectra of gasoline were measured after excitation by frequency quadrupled Nd:YAG laser light at 266 nm in a temperature range between 373 K and 448 K. Experiments were performed with colorless near-standard gasoline conforming to the Euro-super specifications. It is shown that the intensities of two fluorescence bands (290–302 nm and 332–344 nm) can be used to determine the temperature.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-010-4316-z