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Simplified Reaction Scheme of Hydrocarbon Fuels and Its Application to Autoignition of n-Heptane  

여진구 (한국로버트보쉬기전)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.10, no.1, 2002 , pp. 76-83 More about this Journal
Abstract
Mathematically and chemically simplified reaction scheme for n(heptane that simulates autoignitions of the end gases in spark ignition engines has been developed and studied computationally. The five(equation model is described, to predict the essential features of hydrocarbon oxidation. This scheme has been calibrated against autoignition delay times measured in rapid compression machines. The rate constants, activation temperatures, Ta, Arrhenius pre-exponential constants, A, and heats of reaction for stoichiometric nheptane/air has all been optimized. Comparisons between computed and experimental autoignition delay times have validated the present simplified reaction scheme. The influences of heat loss and concentration of chain carrier at the beginning of compression upon autoignition delay times have been computationally investigated.
Keywords
Simplified reaction scheme; Autoignition; Chain reaction; Cool flame; Two-stage ignition; Autognition delay time; Rapid compression machine;
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Times Cited By KSCI : 1  (Citation Analysis)
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