Results 1 to 10 of about 74,712 (235)
Impacts of external airfoil flaps on the S809 airfoil. [PDF]
Sci RepThe trailing edge flap is an effective airfoil flow control technique having many forms, including the external airfoil flap (EAF) which lacks deep studies. In this paper, the calculated results of computational fluid dynamics are first verified through experiments, and the impact of the EAF parameters on the aerodynamic performance of the S809 airfoil
Yin R.
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Wind EnergyAn experimental study of NACA0021 airfoil equipped with vortex generators (VGs) and Gurney flaps (GFs) was conducted to assess the effects of these devices on the aerodynamic airfoil performance, the information that is necessary for studying the self ...
Marin Ivanković +4 more
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Owl airfoil aerodynamic noise sources and performance compared to hawk and NACA0012 airfoils for low Reynolds applications [PDF]
Scientific ReportsThe investigation of low Reynolds number flows is crucial, particularly for applications such as wind turbines and small-scale UAVs. This study compares the owl airfoil with the NACA0012 and hawk airfoils through wind tunnel testing, utilizing pressure ...
M. Kazemi, M. Mani
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Experimental study of the effect of a slat on the aerodynamic performance of a thick base airfoil [PDF]
Wind Energy Science, 2022 There is continuous effort to try and improve the aerodynamic performance of wind turbine blades. This experimental study focusses on the addition of a passive slat on a thick airfoil typically used in the inboard part of commercial wind turbine blades ...
A. Viré +3 more
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A New Method of Sectional Expression of Wind Turbine Airfoil Function
Energies, 2021 To expand the airfoil database and realize the reverse digital airfoil design, this paper proposes a new sectional expression function of wind turbine airfoil based on the Joukowski transformation and derives the function equation for the novel airfoil ...
Zhaohuang Zhang +3 more
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Numerical Simulation of Random Cavitation Suppression Based on Variable NACA Airfoils
Applied Sciences, 2021 In order to suppress the cavitation of an airfoil under random operating conditions, a deformable covering was constructed in the cavitation prone area of the NACA0012 airfoil.
Weidong Shi +5 more
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Airfoil shape optimization using Bézier curve and genetic algorithm
Aviation, 2022 There are different types of airfoil used in many applications such as energy production, aerospace, mixing of fluid products. Design optimization studies are still being carried out on the airfoil type structures.
Hatice Cansu Ayaz Ümütlü, Zeki Kiral
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JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering), 2023 This study investigates and identifies the effects produced by defect on an airfoil when compared to a smooth airfoil. The defect used in this research is of the surface concaved defect (SDD) type, with a deep defect characterized by a smooth sunken ...
Ulfa Hanifah Nurhaliza +3 more
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Airfoil Robust Optimization Based on Convolutional Neural Network and Polynomial Chaos Method
Hangkong gongcheng jinzhan, 2021 In conventional airfoil optimization design method, the aerodynamic performance of the optimal airfoil can deteriorate at the non-design point, so it is necessary to study the airfoil robust optimization method.An airfoil robustness design method based ...
GAO Yuan +4 more
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Gust–Airfoil Coupling with a Loaded Airfoil
AIAA Journal, 2021 The unsteady load response of an airfoil encountering a gust is often modeled using analytical transfer functions, which assume idealized behavior of both the flow and the airfoil.
Young, Anna M., Smyth, Amanda S. M.
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