alexa REDUCTION OF EMISSIONS BY ENHANCING AIR SWIRL IN A DIES
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Research Article

REDUCTION OF EMISSIONS BY ENHANCING AIR SWIRL IN A DIESEL ENGINE WITH GROOVED CYLINDER HEAD

Dr.S.L.V. Prasad1, Prof.V.Pandurangadu2, Dr.P.Manoj Kumar3, Dr G. Naga Malleshwara Rao4
  1. Dept.of Mechanical Engineering, ShriShiridiSai Institute ofScience and Engg.Anantapur, A.P India
  2. Department of Mechanical Engineering, JNT University, Anantapur, A.P., India
  3. Dept. of Mechanical Engineering, Gurunanak Institutions Technical Campus, School of Engineering & Technology, Ibrahimpatnam, A.P India
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Abstract

The aim of this study is to investigate a technique to enhance the air swirl to achieve betterment in engine performance and emission in a direct injection (DI) single cylinder diesel engine. In order to achieve the different swirl intensities in the cylinder, three design parameters have been selected: the cylinder head, piston crown, and inlet manifold. In order to research the intensification of swirl in the cylinder, series of experiments are conducted by making straight grooves in the cylinder head. In this work three different configurations of cylinder heads i.e. in the order of number of grooves 1, 3, 6 are used to intensify the swirl for better mixing of fuel and air and to enhance the performance of the engine. The results of test show an increase in airflow, increase in the brake thermal efficiency, and decrease in NOx, HC and CO emissions. From the results the cylinder head with 6 grooves is identified as optimum configuration based on performance and emission characteristics.

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