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Effect of Swirl Velocity on the Formation of Mixture and Combustion in a Four Stroke Diesel Engine

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.10, No. 3)

Publication Date:

Authors : ; ;

Page : 3125-3134

Keywords : : Inlet and Exhaust Manifold; Piston; Swirl & Combustion;

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Emerging demands on the cutback of IC Engine fuel utilization with rising of its performance and fall in their emissions. The air movement in the diesel engine is for the most part brought about by consumption port during the suction stroke or by ignition chamber geometry during pressure stroke. There are three unique components of the air movement present during suction to expansion stroke in a diesel engine i.e, swirl, squish and turbulence. Swirl incredibly enhances the blending of air fuel blend to give homogenous mixture in the brief timeframe accessible for this in present day rapid speed diesel engine. Thanks to elevated velocities at all concerned flows in to, out of, with in the cylinder are turbulent flows. The swirl progress of the air is a noteworthy parameter in advancing the recitation of the engine. To augmentation the swirl action some engine parts are customized i.e convergent- divergent nozzle, piston and inlet and exhaust valve by changing their geometries. The Performance characteristics and their emissions were calculated for the above three methods and compared with the normal diesel engine.

Last modified: 2021-01-06 14:26:59