Progetto e verifica prestazionale del cassoncino di aspirazione di un motore da competizione mediante analisi CFD = Design and CFD analysis performance evaluations of an intake manifold for motorsport application

Matteo Zambianchi

Progetto e verifica prestazionale del cassoncino di aspirazione di un motore da competizione mediante analisi CFD = Design and CFD analysis performance evaluations of an intake manifold for motorsport application.

Rel. Daniela Anna Misul. Politecnico di Torino, Master of science program in Automotive Engineering, 2021

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Abstract

In January 2020 a new project started in Autotecnica Motori: the development of a new V6 turbocharged spark ignition engine for motorsport application. The aim of this thesis project is to understand, by means of computational fluid dynamics simulations, which is the best intake manifold configuration for this engine. Constrained from the engine assembly, only two possible intake manifold configurations are possible: the first one with an air flow that enters in the intake manifold aligned with the axis of the engine bank, and the second one with an air flow that enters in the intake perpendicular to the engine bank.

The aim is to evaluate the mass flow rate unbalance between the 3 cylinders of the same engine bank for each one of the two intake manifold geometries, and then to compare the two geometries in order to understand the configuration that, for the same pressure drop, provides the higher mass flow