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ChemistryAgricultural Chemistry

The Oxidation of a Gasoline Surrogate in the Negative Temperature Coefficient Region

Authors: David B Lenhert; David L Miller; Nicholas P Cernansky; Kevin G Owens; DREXEL UNIV PHILADELPHIA PA DEPT OF MECHANICAL ENGINEERING AND MECHANICS
 
Abstract: This experimental study investigated the preignition reactivity behavior of a gasoline surrogate in a pressurized flow reactor over the low and intermediate temperature regime (600-800 K) at elevated pressure (8 atm). The surrogate mixture, a volumetric blend of 4.6% 1-pentene, 31.8% toluene, 14.0% n-heptane, and 49.6% 2,2,4-trimethyl-pentane (iso-octane), was shown to reproduce the low and intermediate temperature reactivity of full boiling range fuels in a previous study. Each of the surrogate components were examined individually to identify the major intermediate species in order to improve existing kinetic models, where appropriate, and to provide a basis for examining constituent interaction in the surrogate mixture, n-Heptane and 1-pentene.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Journal article
Pages: 17
Report Date: 12-Feb-2009
Contract Number: DAAG55-98-1-0286 DAAG559810286
Report Number: A106894
Keywords relating to this report:
*GASOLINE
*OXIDATION
*TEMPERATURE COEFFICIENTS
AUTOIGNITION
FUELS
HEPTANES
INTERACTIONS
KINETICS
REACTIVITIES
REPRINTS
TOLUENES
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