Results 1 to 10 of about 36,102 (211)
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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AERODYNAMIC PERFORMANCE ANALYSIS OF CO-FLOW JET AIRFOIL
International Journal of Aviation, Aeronautics, and Aerospace, 2021 The work in this paper aims to increase the maximum lift coefficient of the airfoil by implementing the co-flow jet concept on NACA 0018 airfoil and also to investigate the performance of co-flow jet (CFJ) airfoil.
C M Vigneswaran, Vishnu Kumar G C
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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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Applied Sciences, 2022 Morphing airfoil is a promising technology for future aircraft to realize all-stage high performance. In the present paper, a conceptual aircraft with morphing airfoil is proposed and the aerodynamic characteristics of three types of morphing airfoils ...
Yuwei Cheng +4 more
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Journal of Mechanical Engineering and Sciences, 2023 A numerical study was performed to investigate flow behaviors around bio-inspired modified airfoils compared with NACA 4412 airfoil at Re=5.8x104 by solving the two-dimensional, RANS equations with k-ω STT turbulence model. The obtained results reveal a
Hacımurat Demir, Batuhan Kaya
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