Three Dimensional Numerical Simulation of the Flow in a Four-Stroke I.C. Engine

doi:https://doi.org/10.1007/978-3-322-89838-8_48

Book Chapter10.1007/978-3-322-89838-8_48

Three Dimensional Numerical Simulation of the Flow in a Four-Stroke I.C. Engine

E. von Lavante,Jun Yao-1996-01-01-Notes on numerical fluid mechanics

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TL;DRAbstract

An implicit upwind finite volume algorithm according to Liou’s AUSM (Advection Upstream Splitting Method) Flux Vector Splitting is developed in this work. The numerical method is capable of simulating three-dimensional unsteady compressible flows in Internal Combustion Engines using the multi-domain approach. The work focuses on the validation of the program in conjunction with the LES (Large Eddy Simulation) of the complicated turbulent exhaust flow. The computational domain consists of a manifold, a valve, an air port, cylinder wall and a moving piston. The computational grid is divided into five blocks to fit the complicated geometry.

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An implicit upwind finite volume algorithm according to Liou’s AUSM (Advection Upstream Splitting Method) Flux Vector Splitting is developed in this work. The numerical method is capable of simulating three-dimensional unsteady compressible flows in Internal Combustion Engines using the multi-domain approach. The work focuses on the validation of the program in conjunction with the LES (Large Eddy Simulation) of the complicated turbulent exhaust flow. The computational domain consists of a manifold, a valve, an air port, cylinder wall and a moving piston. The computational grid is divided into five blocks to fit the complicated geometry.

Keywords

Finite volume methodLarge eddy simulationPiston (optics)TurbulenceMechanicsComputational fluid dynamicsFlow (mathematics)Advection

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