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Aerodynamic and Aeroacoustic performance of a wing with structured surface inspired by owl’s wings
, Article Journal of Applied Fluid Mechanics ; Volume 15, Issue 4 , 2022 , Pages 1243-1253 ; 17353572 (ISSN) ; Taeibi Rahni, M ; Zareh, M ; Ahmadi, G ; Etemadi Haghighi, S ; Sharif University of Technology
Isfahan University of Technology
2022
Abstract
With the advent of various advanced materials, the idea of flying like birds has attracted considerable attention in recent years. In addition, aeroacoustics has become an important issue and is being widely studied. In this work, based on the shape of Owls’ wings, an attempt was made to improve the aeroacoustic and aerodynamic performances of conventional aircraft wings. For this purpose, wings with different elements, namely, square, triangular, and semicircular, on their top surface were examined. In addition, three different spatial distributions of the elements according to the Owl’s wings shape were considered. For incompressible airflow, aerodynamic and aeroacoustic parameters of wing...