2011•Unpublished venueRequires access

Three-dimensional numerical simulation analysis on the combustion and emission characteristics of small non-road Diesel Engine fueled with bio-diesel

Yin Bifeng, Guan Tao, Liu Shengji, Qiang Wei

Abstract

The combusition and emission simulation models are established with a CFD software on a small non-road air cool DI Diesel Engine fueled with bio-diesel and diesel. The expriment cylinder pressure curves are used to verifies the validity of the models. The simulation results show that the start of combustion time is advance 0.9°CA and the end of combustion is advance 2.5°CA at the same injection advance angle, the Nox emisson increases 17.6% and Soot emission reduces 44% when fueled with bio-diesel compared with diesel. NOx and Soot emission at injection advance angle 17°CA fueled with diesel is the same as injection advance angle 14°CA fueled with bio-diesel.

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Key concepts: Diesel fuel, Soot, Diesel engine, NOx, Combustion, Automotive engineering, Diesel exhaust, Diesel particulate filter