![]() ![]() and Vierendeels, J., Design of Fixed Wing Micro Air Vehicles, Aeronaut. 845-892,1959.Ĭhung, P.H., Ma, D.M., and Shiau, J.K., Design, Manufacturing, and Flight Testing of an Experimental Flying Wing UAV, Appl. Congress in the Aeronautical Sciences, Madrid, pp. 687-694,1986.Ĭampbell, J.P., Research on VTOL and STOL Aircraft in the United States, Proc. and Mueller, T.J., Spanwise Variation of Laminar Separation Bubbles on Wings at Low Reynolds Number, J. For the design and development of flying wing applications, the Eppler-333 airfoil is highly recommendedĪnanda, G., Sukumar, P., and Selig, M.S., Measured Aerodynamic Characteristics of Wings at Low Reynolds Numbers, Aerosp. Applications were demonstrated through the successful selection of a suitable airfoil (Eppler-333) for the design and development of a flying wing that achieved a maximum coefficient of lift of 1.34. From the results, the recorded maximum coefficient of lift for Eppler-326, Eppler-333, and Marske7 airfoils are 1.1584, 1.3468, and 1.0391 at stall angle of attack (12°). The numerical simulations of the flow around the obtained/selected 2D airfoils (Eppler-326, Eppler-333, and Marske7) were carried out by using the computational fluid dynamics (CFD) software, Analysis system (ANSYS), at Reynolds number 2 × 10 5. Based on the maximum lift-to-drag ratio, we selected three different airfoils for further studies. This article presents an approach using open source/free software and commercial software ANSYS to evaluate and choose the airfoil for low Reynolds number flight designs and suggests a set of criteria used to evaluate the airfoils. In the case of low Reynolds number flights, the airfoil plays a crucial role in generating lift. They may be better equipped to help with emergency management or disaster relief. When UAVs fly at low altitudes, they usually have multiple abilities, such as on-site information gathering, target classification, photogrammetric survey, or audio broadcasting. These robots can conduct a multitude of tasks, including carrying out strategic reconnaissance, offering telecommunications links, and aiding in metrological research, as well as finding and mapping resources, detecting forest fires, monitoring natural disasters, and defending borders, to name a few. Future airfields will become increasingly intrigued with unmanned aerial vehicles (UAVs) due to their versatility. ![]()
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