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ANALYSIS OF FUEL SPRAY WITH VARIOUS INJECTION ORIENTATIONS IN A DI DIESEL ENGINE: THROUGH CFD SIMULATION

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Author(s): P.MANOJ KUMAR, | Prof .V.PANDURANGADU, | V.V.PRATIBHA BHARATHI, | V.V.NAGA DEEPTHI

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 5;
Start page: 3746;
Date: 2011;
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Keywords: Diesel engine | spray | injection orientations | STAR-CD

ABSTRACT
In direct injection (DI) diesel engines the Analysis of fuel spray with various injection orientations has high influence on engine performance as well as exhaust gas emissions. The fuel injector orientation plays very important role in fuel air mixing. A single cylinder four stroke DI diesel engine with fuel injector havingmulti-hole nozzle injector is considered for the analysis and a computational fluid dynamics (CFD) code, STAR-CD is used for the simulation. In the present study, various injector orientations are considered for the analysis. In-cylinder fuel spray is discussed through the 3D fuel spray distribution plots 950 ,1000 and 1100orientation are considered for the analysis. It is concluded that there is an optimal spray orientation angle for the fuel spray for multi hole injector.
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