Volume 6, Issue 2 (6-2016)                   ASE 2016, 6(2): 2182-2192 | Back to browse issues page

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Hassanzadeh Saraei S, Khalilarya S, Jafarmadar S. Numerically Modeling of Diesel Engine and Analysis the Effects of Double Injection Strategies on Performance and Pollutant Emissions. ASE 2016; 6 (2) :2182-2192
URL: http://www.iust.ac.ir/ijae/article-1-384-en.html
Abstract:   (18224 Views)

Modern diesel engines should have higher pollutant emissions standards with better performance and by using split injection strategies which could optimize the air – fuel mixture, this purpose could be achieved. After achieving the successful validation between modeling and experimental results for both single and double injection strategies, for the first time and in this paper, double injection strategies with new nozzle configuration were used in which number of nozzle holes were doubled and located below the previous holes and then double injection strategies were implemented in a case that for each pulse of injections upper or below holes were used, then this study focused on the effects of the new nozzle configuration holes angle in each pulse of injections. This study confirms that split injection could decrease Nox emission, because it has lower maximum in-cylinder temperature than single injection case due to its separate second stage of combustion, also results showed that using new nozzle configuration with two rows of holes could be more effective in decreasing pollutant emissions without any significant effects on engine performance.

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