No abstract

NOx is produced by a diesel engine due to high temperatures available in the combustion chamber. Nitrogen is in diatomic nature in the air, but at high temperatures available in the combustion chamber, it will divide into monatomic form and this monatomic nitrogen reacts with Oxygen to form NOx. To reduce this NOx formation in the diesel engine oxygen content is to be reduced in the intake air. It will be achieved by re-circulating some amount of exhaust gas into the combustion chamber through intake air.This present work discusses the piston bowl design and control of nitric oxides by using exhaust gas recirculation in direct injection diesel engine. Hemispherical piston bowl of the direct injection diesel engine is created with the help of PRO-E software. This piston is used in CFD for analysis of emissions reduction by the method of Exhaust gas recirculation at different percentages. It is proposed to analyze this in CFD by using STAR-CD as a tool.The results, which are obtained from the CFD are compared with Experimental results which are available in the literature.

No abstract

No abstract

No abstract