Numerical Analysis of Aerodynamic Design of Energy-Efficient Cars
Analisa Numeris Desain Aerodinamis Mobil Hemat Energi
DOI:
https://doi.org/10.21070/ups.11008Keywords:
Aerodynamics, Energy-Efficient Car, Computational Fluid Dynamics (CFD)Abstract
This study aims to analyze and compare the aerodynamic performance of two prototype body designs for energy-efficient cars using the Computational Fluid Dynamics (CFD) method in ANSYS Fluent 2019 R3 software. Body modeling was carried out using Autodesk Inventor 2024 with two design variations that have different dimensions of length, width, height, and frontal area. Simulations were carried out under steady incompressible flow conditions with an air speed of 30 km/h, an ambient temperature of 27°C, and a pressure of 1 atm. The results showed that the body design of model 1 has better aerodynamic performance than model 2. This is indicated by a more stable airflow distribution and a maximum velocity value of 14.99 m/s, while model 2 obtained a value of 14.42 m/s.
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