Development of a crevice model in CONVERGE CFD and analysis of its effects on combustion and HC emissions
Luca Velardi
Development of a crevice model in CONVERGE CFD and analysis of its effects on combustion and HC emissions.
Rel. Daniela Anna Misul, Mirko Baratta. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Meccanica (Mechanical Engineering), 2020
Abstract
The purpose of this thesis project is to analyse how combustion and HC emissions of a SI engine are affected by an ODE-based phenomenological model for crevice flow simulation implemented in CONVERGE CFD software by means of a user-defined function (UDF) coded in C language. This blowby model has been provided by Politecnico di Torino through MATLAB. CFD (Computational Fluid Dynamics) is a tool for the study of fluid phenomena by means of fluid mechanics, numerical analysis and computer-based simulations. Nowadays, thanks to the thorough developments in informatics of the last decades, the usage of CFD is in every area. There are several computational fluid dynamics simulation software, both commercial and non-commercial.
CONVERGE is a commercial CFD software for simulating three-dimensional fluid flow and it is provided by Convergent Science GmbH, company located in Austria where this thesis work has been carried out
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