Article,

Diesel Engine Combustion Simulation using Computational Fluid Dynamics

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AMAE International Journal on Production and Industrial Engineering, 1 (1): 5 (December 2010)

Abstract

Diesel engines are used in automotive and stationary applications. The main problem with diesel engines is emissions of nitrogen oxides (NOx) and particulates. In order to minimize the emissions, it is necessary to design the diesel engine with better in-cylinder flow (air-fuel mixing) and combustion process. Computational Fluid Dynamics (CFD) simulation helps to understand the Diesel engine temperature distribution and NOx species concentrations with respect to time. A small direct injection (DI) engine was chosen for the study. CFD simulation results were compared with that of engine emission tests. Results were found to be in agreement with NOx emissions. This paper also presents the simulation results of direct injection diesel engine in-cylinder flow (air-fuel mixing) and combustion.

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