Laser-induced fluorescence determination of flame temperatures in comparison with CARS measurements |
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Authors: | A Lawitzki I Plath W Stricker J Bittner U Meier K Kohse-Höinghaus |
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Institution: | (1) DLR-Institut für Physikalische Chemie der Verbrennung, Pfaffenwaldring 38-40, D-7000 Stuttgart 80, Fed. Rep. Germany |
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Abstract: | Temperature profiles in several premixed low pressure H2/O2/N2 flames and in an atmospheric pressure CH4/air flame were determined by laser-induced fluorescence (LIF) and by CARS experiments. In the LIF study, temperatures were derived from OH excitation spectra, CARS temperatures were deduced from N2
Q-branch spectra. The present study is the first quantitative comparison of these two methods for temperature determination in flames burning at pressures up to 1 bar. The resulting temperatures showed good agreement. |
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Keywords: | 82 40Py 33 50Dq |
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