The Autoignition of n-Pentane in a Non-Fired Single Cylinder Engine

Paper #:
  • 932756

Published:
  • 1993-10-01
Citation:
Cernansky, N., Miller, D., and Addagarla, S., "The Autoignition of n-Pentane in a Non-Fired Single Cylinder Engine," SAE Technical Paper 932756, 1993, https://doi.org/10.4271/932756.
Pages:
13
Abstract:
The detailed chemical reactions leading to autoignition of n-pentane are investigated in this study. A single-cylinder engine operating in a nonfired mode was used. The engine is supercharged and the temperature of the inlet fuel/air mixture is varied. By increasing the inlet manifold temperature, at a given inlet manifold pressure, the fuel/air mixture can be made to undergo autoignition. In-cylinder pressure and temperature profiles were measured. Gas samples from the combustion chamber were extracted and analyzed using gas chromatography techniques. The detailed chemical reaction mechanisms explaining the products from the different stages of the fuel oxidation process are presented. It is speculated that the generation of OH radicals from the peroxide (QOOH) decomposition is responsible for the autoignition of the n-pentane fuel/air mixture.
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