TITLE

Arrhenius behavior of hydrocarbon fuel photochemical reaction rates by thermal lens spectroscopy

AUTHOR(S)
Astrath, N. G. C.; Astrath, F. B. G.; Shen, J.; Zhou, J.; Michaelian, K. H.; Fairbridge, C.; Malacarne, L. C.; Pedreira, P. R. B.; Santoro, P. A.; Baesso, M. L.
PUB. DATE
November 2009
SOURCE
Applied Physics Letters;11/9/2009, Vol. 95 Issue 19, p191902
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The temperature dependence of thermo-optical and photochemical reaction properties of hydrocarbon fuels is investigated using thermal lens spectroscopy. We consider the time dependence of the absorption coefficient due to the photoinduced chemical reaction (PCR) and species diffusion to evaluate nonequilibrium characteristics of the samples. The measured temperature dependences of the reaction rates are found to follow the Arrhenius correlation. Experimental results for thermophysical properties of the samples and an analysis of the connection between PCR properties and the chemistry of the samples are also presented.
ACCESSION #
45249224

 

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