Results 1 to 10 of about 73,982 (212)
Reduced dimension modeling of leading edge turbulent interaction noise [PDF]
, 2014 A computational aeroacoustics approach is used to model the effects of real airfoil geometry on leading edge turbulent interaction noise for symmetric airfoils at zero angle of attack.
Bailly C. +5 more
core +1 more source
Free Surface Effects on the Hydrodynamic Characteristics of NACA0012
水下无人系统学报, 2023 When a transmedia vehicle moves across water and air media, the free surface has a great influence on its airfoil, which brings challenges to the overall design and navigation control.
Zhao LIU +4 more
doaj +1 more source
Towards viable flow simulations of small-scale rotors and blade segments [PDF]
Theoretical and Applied Mechanics, 2021 The paper focuses on the possibilities of adequately simulating complex flow fields that appear around small-scale propellers of multicopter aircraft.
Svorcan Jelena +3 more
doaj +1 more source
An experimental study of airfoil instability tonal noise with trailing edge serrations [PDF]
, 2013 This paper presents an experimental study of the effect of trailing edge serrations on airfoil instability noise. Detailed aeroacoustic measurements are presented of the noise radiated by an NACA-0012 airfoil with trailing edge serrations in a low to ...
Arbey +27 more
core +1 more source
MATEC Web of Conferences, 2018 A symmetrical airfoil has been constructed by local linearization method. A single-point objective function is defined to check the convergence of the method.
Bazgir Ali. S., Takovitskii Sergey. A.
doaj +1 more source
Effect of Tailing-Edge Thickness on Aerodynamic Noise for Wind Turbine Airfoil
Energies, 2019 The influence of wind turbine airfoil trailing edge thickness on aerodynamics and aerodynamic noise characteristics was studied using the computational fluid dynamics (CFD)/ Ffowcs Williams–Hawkings (FW–H) method in the present work.
Xinkai Li +4 more
doaj +1 more source
Applied Sciences, 2020 The dynamic stall characteristics of rotor airfoil are researched by employing unsteady Reynolds-Averaged Navier-Stokes (RANS) method under oscillating freestream velocity conditions.
Qing Wang, Qijun Zhao
doaj +1 more source
Effect of Airfoil Thickness on Flow Over the Cambered Airfoils
2023 10th International Conference on Recent Advances in Air and Space Technologies (RAST), 2023 In this research, an experimental study for NACA2412, NACA2415, and NACA2418 airfoils was carried out at angles of attack of 0°, 4°, 8 and at Re = 1.5 x 105, Re = 2.5 x 105 The oil-flow visualization technique and force measurement were used for experiments to analyze laminar separation bubble (LSB), separation and reattachment formations over the ...
Sinem Keskin +5 more
openaire +3 more sources
Effect of Using Bumps on Wings Aerodynamic Characteristics at Low Reynolds Numbers [PDF]
Engineering and Technology Journal, 2010 The effect of using bumps on the aerodynamic characteristics of airfoil at low Reynolds numbers is presented in this research. A theoretical study was done on the (NACA 4418) airfoil consist of bumps that have radius (2% c) on the upperand lower surfaces
doaj +1 more source
Airfoil GAN: encoding and synthesizing airfoils for aerodynamic shape optimization
Journal of Computational Design and Engineering, 2023 Abstract The current design of aerodynamic shapes, like airfoils, involves computationally intensive simulations to explore the possible design space. Usually, such design relies on the prior definition of design parameters and places restrictions on synthesizing novel shapes.
Yuyang Wang +2 more
openaire +2 more sources