Simulasi Aerodinamika Bodi Mobil Listrik Fakultas Teknik Menggunakan Computational Fluid Dynamics (CFD)
Keywords:
Slope Angle, Computational Fluid Dynamics (CFD), Coefficient Drag, Coefficient Lift, Turbulent Kinetic Energy.Abstract
Climate change seen as one of major issues in this world. Fuel consumption contributes as one of the main causes of climate change. The automotive world offers a solution to this problem, namely electric cars. Electric cars are growing significantly, many car manufacturers are switching from fuel vehicles to electric or hybrid vehicles. In Indonesia, in the RUEN regulation in the transportation sector, the government states that they have targeted the development of electric/hybrid vehicles to reach 2,200 units for four-wheeled vehicles and 2.1 million for two-wheeled vehicles by 2025. This analysis uses Computational Fluid Dynamics (CFD) with several variables as considerations to produce the desired body shape, namely the shape of the slope angle on the front surface, the roof and the back. From these variables, it is expected to find the ideal combination to get a good drag coefficient, lift coefficient and turbulent kinetic energy. The design uses a reference from the previous engineering faculty's electric car body design by considering three line silhouettes with each slope angle: the front surface angle of 130 °, the roof surface angle of 150 ° and the rear surface angle of 115 °. With this design considered, the simulation results obtained are 0.33 drag coefficient, 0.099 lift coefficient and 1.564 m2/s2 turbulent kinetic energy.References
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