Faithin Omaha eBook Collection

Download or read book Autoignition, Combustion Instability and White Smoke Under Transient Conditions with JP-8 Fuel written by Naeim A. Henein and published by . This book was released on 2001 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this project is to reduce the cold starting problems of military and commercial heavy-duty diesel engines, particularly the emission of white smoke. The failure of the autoignition process and/or combustion instability has been found to be the major causes of the cold starting problems. The approach is mainly experimental, supported by detailed analysis of the autoignition process. Models for the ignition delay period are developed considering the heterogeneity of the charge and the effect of piston motion during the ignition delay period. The maps developed for the stable combustion zone agreed fairly well with the experimental data. Also, the effect of diluents, such as exhaust gas recirculated into the fresh air (EGR) is experimentally investigated in two single-cylinder diesel engines. The effect of EGR on the global activation energy of the autoignition reactions is currently under investigation.