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Analysis of the macrostructure of the fuel spray atomized with marine engine injector
1
Faculty of Ocean Engineering and Ship Technology, Gdańsk University of Technology.
Publication date: 2019-10-01
Combustion Engines 2019,179(4), 80-85
KEYWORDS
marine diesel enginemarine fuel injectorspray tip penetrationspray cone angleopening pressurebackpressure
ABSTRACT
One of the main problem influencing the combustion process in the cylinder of the marine engine is an fuel spray phenomena. The parameters describing the shape of the fuel spray are named macro parameters. This article presents the research results of the macrostructure parameters of the fuel spray atomized with the marine engine injector. The research were carried out by optical visualization measurement method of Mie scattering. The diameter of nozzle injector was 0.375 mm and L/D coefficient 8.3. In these research were considered different parameters of injection opening pressures and backpressures in the constant volume chamber. Generally conlusions are: the opening pressure influence on maximum spray tip penetration, spray cone angle and influence on speed of the injected fuel. The increase of backpressure into the constant volume chamber causes the reduction of spray tip penetration and the increase of the spray cone angle.
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CITATIONS (5):
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A new model of fuel spray shape at early stage of injection in a marine diesel engine
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Adoption of the F-statistic of Fisher-Snedecor distribution to analyze importance of impact of modifications of injector opening pressure of a compression ignition engine on specific enthalpy value of exhaust gas flow
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4.
Analysis of the structure of the atomized fuel spray with marine diesel engine injector in the early stage of injection
Joanna Grochowalska, Piotr Jaworski, Łukasz Kapusta
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5.
Diagnostic Analysis of Exhaust Gas with A Quick-Changing Temperature from a Marine Diesel Engine Part II / Two Factor Analysis
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