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Summary: 1
SAE Paper 2004-01-2936
Molecular Structure Effects On Laminar Burning Velocities At
Elevated Temperature And Pressure
J. T. Farrell, R. J. Johnston, and I. P. Androulakis
ExxonMobil Research and Engineering
Copyright © 2004 Society of Automotive Engineers, Inc
ABSTRACT
The laminar burning velocities of 45 hydrocarbons have
been investigated in a constant volume combustion
vessel at elevated temperature and pressure. The
mixtures are ignited in the center of a spherical vessel at
an initial temperature of 450 K and pressure of 304 kPa.
Data have been acquired over the stoichiometry range
of 0.55 1.4. The burning velocity is determined
from a thermodynamic analysis of the pressure vs. time
data. The results for alkanes and alkenes are consistent
with trends previously identified in the literature, i.e.,
alkenes are faster than the corresponding alkane with
the same carbon connectivity. For both alkanes and
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