Browsing by Author "Geyer, Thomas F."

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    Dataset on permeability of wings from owls and non-silently flying birds
    (Amsterdam [u.a.] : Elsevier, 2024) Geyer, Thomas F.; Windisch, Thomas; Fritzsche, Christoph; Sarradj, Ennes
    The very soft and flow-permeable plumage is among the special adaptations of the owl that the silent flight is attributed to. Using a specially designed apparatus that provides a low-speed volume flow of air through a small sample of porous material, measurements of the air flow permeability were performed in accordance to ISO 9053 on a total of 39 prepared wing specimen from six different bird species, including three species of silently flying owls and three non-silently flying bird species. The resulting data set described in the present paper contains the static airflow resistance measured at different positions on the wing.