Air-assisted
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This paper presents the possible combinations of advantage factors from PFI and GDI system by applying an airassisted injector on Semi-direct Injection System (SDI). Firstly, an adaptor that uses compressed air to improve the atomization of conventional injector and reduce droplet size is made. Secondly, the modifications of intake port by using vortex plate and the other by closing one intake valve increase swirl ratio of in-cylinder air motions which help to form rich mixture around spark plug and lean mixture at other locations.
5p vispyker 16-11-2022 11 2 Download