Aerodynamic Influence of Leading-Edge Serrations on an Airfoil in a Low Reynolds Number - A Study of an Owl Wing with Leading Edge Serrations -
نویسندگان
چکیده
منابع مشابه
Owl-inspired leading-edge serrations play a crucial role in aerodynamic force production and sound suppression.
Owls are widely known for silent flight, achieving remarkably low noise gliding and flapping flights owing to their unique wing morphologies, which are normally characterized by leading-edge serrations, trailing-edge fringes and velvet-like surfaces. How these morphological features affect aerodynamic force production and sound suppression or noise reduction, however, is still not well known. H...
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BACKGROUND Owls have developed serrations, comb-like structures, along the leading edge of their wings. Serrations were investigated from a morphological and a mechanical point of view, but were not yet quantitatively compared for different species. Such a comparative investigation of serrations from species of different sizes and activity patterns may provide new information about the function...
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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 moderate speed flow under acoustical free field conditions. The existence of a separated boundary layer near the trailing edge of the airfoil at a...
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ژورنال
عنوان ژورنال: Journal of Biomechanical Science and Engineering
سال: 2009
ISSN: 1880-9863
DOI: 10.1299/jbse.4.117