Investigations into fuel reactivity using spray ignition experiments

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Authors
Tekawade, Aniket
Issue Date
2017-08
Type
Electronic thesis
Thesis
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ENG
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Mechanical engineering
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Abstract
Experiments on aromatic compounds comprised of ignition delay measurements on blends of alkylbenzenes in n-alkanes and pure forms of two large alkylbenzenes (n-octylbenzene and n-decylbenzene). The DCN measurements for alkylbenzene and n-alkane blends decreased nonlinearly with increasing alkylbenzene content. A model was proposed to that accounts for this non-linearity by considering an apparent reaction rate order for the blended components. Comparisons of these blends with the large alkylbenzenes having identical proportions of aromatic carbons revealed that there is a synergistic effect of an attached benzyl group on the reactivity of the alkylbenzene. Hence, we conclude that blends of alkylbenznes in n-alkanes are not ideal surrogates to model the low-temperature reactivity of large alkylbenzenes.
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August 2017
School of Engineering
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Rensselaer Polytechnic Institute, Troy, NY
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