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All Journal Jurnal Ilmiah Teknik Mesin Poros
Steven Darmawan
Mechanical Engineering, Universitas Tarumanagara
Mechanical Engineering

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AERODYNAMICS CHARACTERISTICS DEVELOPMENT of TARUMANAGARA ECO-VEHICLE (MOBIL IRIT UNIVERSITAS TARUMANAGARA) USING CFD METHOD Steven Darmawan; Harto Tanujaya; Janssen Paolo Yorkie
POROS Vol. 18 No. 1 (2022): Jurnal Ilmiah Teknik Mesin Poros
Publisher : Program Studi Teknik Mesin Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/poros.v18i1.20805

Abstract

Vehicles experience the forces of aerodynamics at various degrees and magnitude. The impact of aerodynamic must be considered because it affects the efficiency of the object. Because aerodynamic forces highly affect a vehicle’s efficiency, improvement in aerodynamics characteristics will improve the vehicles efficiency. However, the aerodynamic characteristic involves vehicle profile, dimensions. Designers now have the option of using a CFD software to simulate and calculate the aerodynamic properties of an object before production. The 2 objects on this research are an improved version of Mobil Irit Universitas Tarumanagara body by modifying its length therefore reducing the angle of the body, the body is named 3a and 3b. CFD simulation of body 3a and 3b is used to determine whether the flow characteristic is improved by the length modification of the object, and will be done using ANSYS Workbench R1 Academics Version at 5 different inlet velocity (1,39 m/s; 2,78 m/s; 4,17 m/s; 5,56 m/s; and 12,5 m/s) and will use a 3D simulation with single phase fluid. Subject 3a has 42699 nodes 234941 elements, subject 3b has 49535 nodes 272509 elements. The result shows a reduction in wake size at the back of subject 3b, whereas wake size increased in subject 3a. The drag coefficient result in reduction on 3b and an increase in 3a.
Co-Authors Harto Tanujaya Janssen Paolo Yorkie