2013
DOI: 10.4028/www.scientific.net/amm.330.815
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Effect of Combustion Chamber Geometry on In-Cylinder Flows and Equivalence Ratio Spread in a Direct Injection Engine - A CFD Analysis

Abstract: In this study, a CFD analysis to evaluate effect of combustion chamber geometry on in-cylinder fluid flows and equivalence ratio spread in a Direct Injection Spark Ignition Engine (DISI) during intake and compression stroke has been carried out. The analysis has been carried out using “STAR-CD es-ice” software for four piston top profiles viz., flat piston, flat piston with a centre bowl, dome piston with a central bowl and pentroof type piston with an offset bowl at an engine speed of 1000rpm. For meshing the… Show more

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“…In this study, Reitz-Diwakar (R&D) 8 model, which is a popular breakup model and is frequently used in the engine simulations 3840 is used in this study. In this model, droplet’s diameter changes continuously with time:…”
Section: Theory and Equationsmentioning
confidence: 99%
“…In this study, Reitz-Diwakar (R&D) 8 model, which is a popular breakup model and is frequently used in the engine simulations 3840 is used in this study. In this model, droplet’s diameter changes continuously with time:…”
Section: Theory and Equationsmentioning
confidence: 99%