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Experiments in Fluids

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01.02.2006 | Research Article

Influence of pressure, temperature and gas phase composition on biacetyl laser-induced fluorescence

verfasst von: P. Guibert, V. Modica, C. Morin

Erschienen in: Experiments in Fluids | Ausgabe 2/2006

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Abstract

The purpose of this work is to get fundamental knowledge and to understand experimentally the fluorescence phenomenon usually used in laser-based imaging diagnostics. A complete review of thermodynamic effects (pressure, temperature, oxygen and tracer concentration) on biacetyl fluorescence is presented for a wide range of temperature and pressure. Biacetyl fluorescence increases with pressure and then levels off at high pressure when the relaxation is complete. The influence of the temperature is explained by a competition between the intersystem crossing and fluorescence. The effect of oxygen fluorescence quenching is important at high pressure and is discussed.

Vorheriger Artikel An indirect pressure-gradient technique for measuring instantaneous flow rates in unsteady duct flows

Nächster Artikel Experiments on the magnetic damping of an inductively stirred liquid metal flow

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Titel: Influence of pressure, temperature and gas phase composition on biacetyl laser-induced fluorescence
verfasst von: P. Guibert
V. Modica
C. Morin
Publikationsdatum: 01.02.2006
Verlag: Springer-Verlag
Erschienen in: Experiments in Fluids / Ausgabe 2/2006
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI: https://doi.org/10.1007/s00348-005-0064-y

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