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All Journal AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin
Mustafa Dwi Prasetyo
Center for Automotive Research, Gunadarma University
Control & Systems Engineering Engineering Mechanical Engineering Other

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Aerodynamic Potential of NACA 4415 Airfoil for Agricultural Drone Applications: A CFD Study Mohamad Yamin; Nuril Hadi; Mustafa Dwi Prasetyo
AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Vol. 12 No. 2 (2026)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/ame.v12i2.3033

Abstract

Improving the aerodynamic efficiency of agricultural drones is important for supporting flight stability and energy efficiency during operation. This study numerically investigates the aerodynamic characteristics of the NACA 4415 airfoil at varying angles of attack as a preliminary basis for evaluating its potential before integrated agricultural-drone analysis. The simulations were performed using Computational Fluid Dynamics (CFD) at a reference Reynolds number of 1.5 × 10⁶, with angles of attack ranging from 0° to 20°. The analyzed parameters included the lift coefficient (CL), drag coefficient (CD), lift-to-drag ratio (CL/CD), and the velocity and static-pressure fields around the airfoil. The results show that CL increased with angle of attack and reached a maximum value of 1.8709 at 16°, whereas CD increased substantially at higher angles because of flow separation. The maximum CL/CD ratio of 16.153 was obtained at 4°, indicating the most aerodynamically efficient condition among the simulated cases. Flow visualization confirmed relatively attached flow at 4° and strong separation with post-stall behavior at 20°. These findings suggest that an angle of attack of approximately 4° may serve as an initial design reference, while further work should extend the analysis to realistic agricultural-drone operating conditions, speeds, and complete rotor–airframe configurations.
Co-Authors Mohamad Yamin Nuril Hadi