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Cited by 5 publications
(5 citation statements)
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“…Although these data demonstrate the noise-reducing capabilities of the velvet-like surface, recently a further function has been described. Wind tunnel studies showed reduced flow separation for artificial wings covered with artificial velvet-like surfaces (Kl€ an et al 2009;Winzen et al 2012Winzen et al , 2014a. Thus, the velvet-like surface has also an aerodynamic effect.…”
Section: Functional Aspects Of the Velvet-like Surfacementioning
confidence: 99%
See 2 more Smart Citations
“…Although these data demonstrate the noise-reducing capabilities of the velvet-like surface, recently a further function has been described. Wind tunnel studies showed reduced flow separation for artificial wings covered with artificial velvet-like surfaces (Kl€ an et al 2009;Winzen et al 2012Winzen et al , 2014a. Thus, the velvet-like surface has also an aerodynamic effect.…”
Section: Functional Aspects Of the Velvet-like Surfacementioning
confidence: 99%
“…The first six measurement positions had a distance of 0.05 in the normalized x-axis, starting at 0.05 and ending at 0.3 of the normalized x-axis. This was done because most effects of the flow field, including boundary layer separation at artificial owl-based wing models, were found in this particular region (Kl€ an et al 2009Winzen et al 2012Winzen et al , 2014a. Between 0.4 and 0.9 of the normalized x-axis, the measurement positions were set in steps of 0.1 of the x-axis.…”
Section: Selection Of Positionsmentioning
confidence: 99%
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“…Consequently, aeroacoustic noise above 2 kHz can be effectively attenuated by the compliant surface covered by the down feathers through a bypass dissipation mechanism [10,11]. In the last decade, the use of an owl-wing-inspired trailing edge design as a passive control approach for an airfoil model to minimize drag and improve lift coefficients has gained attention [12][13][14][15][16].…”
Section: Introductionmentioning
confidence: 99%
“…For improvement of aerodynamic performance, the application of the owl wing airfoil has also generated evident results. Klan et al (2009) based on the Birnbaum-Glauert function to reconstruct and modify the scanned owl airfoil line, and arranged the velvet on the airfoil surface. Experiments results showed that the presence of velvet can reduce the formation of separation vortices.…”
Section: Introductionmentioning
confidence: 99%