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

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.
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https://hal.archives-ouvertes.fr/hal-00611927
Contributor : Guillaume Edouard Connect in order to contact the contributor
Submitted on : Wednesday, July 27, 2011 - 5:22:46 PM
Last modification on : Wednesday, March 23, 2022 - 11:40:01 AM

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Philippe Guibert, Vincent Modica, Céline Morin. Influence of pressure, temperature and gas phase composition on biacetyl laser-induced fluorescence.. Experiments in Fluids, Springer Verlag (Germany), 2006, 40 (2), pp.245-256. ⟨10.1007/s00348-005-0064-y⟩. ⟨hal-00611927⟩

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