Aerodynamic Study Of Heavy Truck Using CFD Fluent

Hilmi Safuan, Japar (2010) Aerodynamic Study Of Heavy Truck Using CFD Fluent. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Aerodynamic is a study about air flow around an object. In land vehicle application, aerodynamic is one of land vehicle important design after engine and suspension. A smooth design is needed to reduce air resistance to the vehicle at high speed, because air resistance will increase as the velocity increase. The Computational Fluid Dynamic (CFD) is another method to study about the air flow around the vehicle. This method was used to give the users an overview of the air flow and expected result in the aerodynamic simulation. Hence, after the experiment in the wind tunnel, the users may verify they experimental result with CFD. In this project, analysis of aerodynamic will be done on a heavy truck by using CFD-FLUENT method and wind tunnel testing. In this first part of the project, the progress was done until meshing the truck model using GAMBIT. The research is done by experimenting 2 types of model which is tricab design and square-cab design with 3 different angles. It is found that the tri-cab design at 30° angle give the lowest drag coefficient which is 0.55.

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