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Computational study of the effects of injection timing, egr and swirl ratio on a HSDI multi-injection diesel engine emission and performance

Zhu, Y; Zhao, H; Ladommatos, N; (2003) Computational study of the effects of injection timing, egr and swirl ratio on a HSDI multi-injection diesel engine emission and performance. In:

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Abstract

Reductions in fuel consumption, noise level, and pollutant emissions such as, Nitrogen Oxide (NO X ) and Particulate Matter (PM), from direct-injection (DI) diesel engines are important issues in engine research. To achieve these reductions, many technologies such as high injection pressure, multiple injection, retarded injection timing, EGR, and high swirl ratio have been used in high-efficiency DI diesel engines in order to achieve combustion and emission control. However, each technology has its own advantages and disadvantages, and there is a very strong interaction between these methods when they are simultaneously used in the engine. This study presents a computational study of both the individual effect and their interactions of injection timing, EGR and swirl ratio separately and their interaction in a HSDI common rail diesel engine using the KIVA-3V code. It was found that the calculated results agree well with the experimental data obtained and there exists a set of optimal injection timing, EGR and swirl ratio for simultaneously reduction in both NO X and soot under a particular load. Copyright © 2003 SAE International.

Type: Proceedings paper
Title: Computational study of the effects of injection timing, egr and swirl ratio on a HSDI multi-injection diesel engine emission and performance
DOI: 10.4271/2003-01-0346
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/106680
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