CFD-based method with an improved ignition model for estimating cyclic variability in a spark-ignition engine fueled with methane

•CFD investigation of cyclic variability in SI engines.•Developed sub-model for describing the initial flame propagation.•Early combustion processes and transition from laminar to turbulent combustion.•Relative position of flame and local turbulent eddy.•Methodology extended to estimate the COV of I...

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Veröffentlicht in:	Energy conversion and management 2018-10, Vol.174, p.769-778
Hauptverfasser:	Kosmadakis, G.M., Rakopoulos, D.C., Arroyo, J., Moreno, F., Muñoz, M., Rakopoulos, C.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air pollution CFD research code Coefficient of variation Combustion Computational fluid dynamics Computer applications Computer simulation COV of IMEP Cyclic variability Engines Estimation Flame propagation Fluid dynamics Fluid flow Fluidized bed combustion Hydrodynamics Ignition Mathematical models Methane Methane spark-ignition engine Motivation Peak pressure Pollutants Pressure Simulation Spark ignition Turbulence Turbulent combustion Turbulent flames Variability Vortices
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