Browse Publications Technical Papers 2005-01-2090
2005-05-11

Absorption and Fluorescence Data of Acetone, 3-Pentanone, Biacetyl, and Toluene at Engine-Specific Combinations of Temperature and Pressure 2005-01-2090

Quantitative planar laser-induced fluorescence measurements of fuel/air mixing in engines are usually based on the use of fluorescence tracers. The strength of the signals often depends on temperature, pressure and mixture composition. This complicates a quantitative analysis. The use of a small-bore optical engine for fundamental studies of absorption and fluorescence properties of fluorescence tracers is described. The temperature, pressure and composition dependence of the spectra of toluene, acetone, 3-pentanone, and biacetyl are examined under motored conditions to extend the experimental data base for the development of comprehensive models that predict the strength of fluorescence signals for a given condition.

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