Full Length Research Paper
Abstract
In this paper, we are interested in the study of turbulent and time dependant flow inside a cylinder of an alternative engine through the investigation of the distribution of the turbulent kinetic energy in the whole space of the chamber. This research is carried out during the intake stroke. The arbitrary lagrangian eulerian technique coupled with the finite element method is used to solve the Navier Stokes equations. The turbulence model of the inlet air in the cylinder has a great influence in to the performance of the engine. It governs directly the rate of filling up, the thermal exchanges and the combustion quality. We present distribution of the velocity, pressure and turbulence field inside the engine room.
Key words: Turbulence, internal combustion engine, arbitrary lagrangian eulerian, tumble ratio, k-ε model, prandtl model, finite element method.
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