Investigation on the Match between the Nozzle Tip Penetration and the Double-Layers Diffluent Combustion Chamber Geometry

Abstract:

In order to investigate the match between the nozzle tip penetration and the double-layers diffluent combustion chamber geometry, a simulation model was developed which was based on the 135 diesel engine to simulate the equivalence ratio distribution of air-fuel mixture and the temperature distribution during combustion process. At the same time, an experiment was executed by a 135 diesel engine equipped with the high-pressure common rail fuel injection system. The research results show that the air-fuel mixture becomes more uniformed and the combustion process is improved when the nozzle tip penetration is reasonable selected which lead to higher in-cylinder pressure and better brake specific fuel consumption while NO_X emission is increased and soot emission is decreased for the double-layers diffluent combustion system.

• Periodical: Advanced Materials Research (Volumes 860-863)
• Pages: 1738-1743
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.860-863.1738
• Online since: December 2013
• Authors: Kun Peng Qi, Ming Hai Li, Wu Qiang Long
• Keywords: Combustion Chamber Geometry, Diesel Engine, Nozzle Tip Penetration, Performance Investigation

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