alexa Investigation of Atomization and Cavitation Characteristics in Nozzle | Abstract
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 Open Access

Abstract

The influence of fuel injector nozzle is critical to the performance and emissions of diesel engine. One of the most difficult problems encountered in the development of high-speed compression-ignition engine is to have the proper atomization of the fuel in the combustion chamber during the extremely short time available. Some of the important parameters including nozzle hole size, geometry, cavitations, convergence, velocity of fuel, density of air into which fuel is injected, affects to enhance the fuel atomization. Atomization is primarily occurs due to cavitation and turbulence in the vicinity of nozzle. In this paper discharge coefficient phenomenon is used, which accounts for the different orifice approach for the better atomization such as convergence. Numerical results shows that orifice having smaller outlet diameter gives increase in the coefficient of discharge with intent of increase in cavitations up to certain range causes to increase in atomization.

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Author(s): Badgujar Sachin Prabhakar, Sarode Pravin Laxmanrao , Khatik Juber Ah. Mo. Salim

Keywords

Cavitation, CFD simulation, Diesel injector, Discharge coefficient, Atomization, Aerospace Engineering,Applied Sciences,Biochemistry,Bio medical Engineering.

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