Charge motion benefits of valve deactivation to reduce fuel consumption and emissions in a GDi, VVA engine

SAE Technical Papers

Volumn , Issue , 2011, Pages

  Moore, Wayne ^a   Foster, Matthew ^a   Lai, Ming Chia ^b   Xie, Xing Bin ^b   Zheng, Yi ^b   Matsumoto, Atsushi ^b  

^a DELPHI CORPORATION   (United States)

^b WAYNE STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL FLUID DYNAMICS; DIRECT INJECTION; ENGINE CYLINDERS; GASOLINE; HEAT TRANSFER; PARTICULATE EMISSIONS;

CHARGE MOTION; GASOLINE DIRECT INJECTION; INTAKE VALVE CLOSINGS; LATE INTAKE VALVE CLOSINGS (LIVC); OPTICAL ENGINE; REGULATED EMISSIONS; SIMULTANEOUS REDUCTION; SPARK-IGNITED ENGINES;

INTAKE VALVES;

EID: 85072487006     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (10)

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2. Sellnau, M., Rask, E., "Two-Step Variable Valve Actuation for Fuel Economy, Emissions, and Performance," SAE Technical Paper 2003-01-0029, 2003, doi: 10.4271/2003-01-0029.
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5. Haugen, D.J., Blackshear, P.L., Pipho, M.J., Esler, W.J., "Modifications of a Quad 4 Engine to Permit Late Intake Valve Closure," SAE Technical Paper 921663, 1992, doi: 10.4271/921663.
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8. Stansfield, P.A., Wigley, G., Garner, C.P., Patel, R., Ladommatos, N., Pitcher, G., Turner, J.W.G., Nuglisch, H., Helie, J., "Un-throttled Engine Operation using Variable Valve Actuation: The Impact on the Flow Field, Mixing and Combustion," SAE Technical Paper 2007-01-1414, 2007, doi: 10.4271/2007-01-1414.
9. Patel, R., Ladommatos, N., Stansfield, P.A., Wigley, G., Garner, C.P., Pitcher, G., Turner, J.W.G., Nuglisch, H., "Comparison between Un-throttled, Single and Two-valve Induction Strategies Utilizing Direct Gasoline Injection: Emissions, Heat-release and Fuel Consumption Analysis," SAE Technical Paper 2008-01-1626, 2008, doi: 10.4271/2008-01-1626.
10. Matsumoto, A., Zheng, Y., Xie, X.B., Lai, M.C., Moore, W., "Characterization of Multi-hole Spray and Mixing of Ethanol and Gasoline Fuels under DI Engine Conditions," SAE Technical Paper 2010-01-2151, 2010, doi: 10.4271/2010-01-2151.