An Assessement Of Cylinder Deactivation Implementation Using A Race Sytyle Exhaust Manifold

Raja Afiq Al-Hakimi, Raja Tajuddin (2015) An Assessement Of Cylinder Deactivation Implementation Using A Race Sytyle Exhaust Manifold. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The phenomenon of pumping losses often associated with weakness of engine breathing and usually occurred during part load. Cylinder Deactivation System (CDS) is one of the technology used to improve engine breathing and thus improving fuel efficiency and reducing emission. Cylinder deactivation system not only require cutting and ignition to desired cylinder but it also important to have the correct amount of oxygen content for combustion on active cylinder. The aim of this thesis is to propose a new concept to reduce the vehicle emission and fuel consumption by implementing using 4-2-1 race style exhaust. This thesis will his thesis will try tracing the new concepts of use cylinder deactivation system with implementation using race style exhaust 4-2-1. Several experiments will be carried out to get some output as the initial data to this concept, for example emission gas and engine vibration. The experiment also will be conducted into several modes, for example, running on all cylinder active, running at cut off one cylinder and running at cut off two cylinders. At the end of this experiment, it will show the initial positive result that this system is relevant to be implemented.

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