Abstract
The article presents CFD (Computational Fluid Dynamics) analysis of the intake system of a Ferrari 348 GTC sports car. With this system, an adequate amount of air is supplied relative to the current demand for fuel combustion. The air demand of a given engine was deter-mined, then analyzes were carried out. The article contains an analysis of the velocity distribution: total velocities, angular velocities and static pressure distribution. In addition, local velocity and flow in the filtration chamber were determined along with the flow directions and returns as well as power lines. The cycle impact on the temperature, locations of the highest speed drop, increase in turbulence, the largest pressure differences, and modulus of elasticity were determined. This information allows to assess whether there are no unwanted phenomena occurring in the system, such as flow disturbances. The Ansys Fluent software was used for analysis.
Highlights
Modern spark-ignition engines must be characterized by large volumetric power indicators, which makes it possible to obtain engines with small mass
The difference of paths to be covered by the air on the opposite sides of the pipe leads to an increase in turbulence, and to an increase in flow resistance
These turbulences cause large differences in gas velocity, which results in increased friction between air molecules and increased air temperature. – Increase in turbulence - sudden change in the flow crosssection This case occurs between the first tube and the filtration chamber
Summary
Modern spark-ignition engines must be characterized by large volumetric power indicators, which makes it possible to obtain engines with small mass. The cycle impact on the temperature, locations of the highest speed drop, increase in turbulence, the largest pressure differences, and modulus of elasticity were determined.
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