Questions concerning the functional role of the hollow region of the butterfly Pyrameis
atalanta (L.) scale are experimentally investigated. Attention was initially directed to this …

An experimental investigation was conducted of the effect of 'butterfly skin'(metallic version
of the butterfly scale) with rough internal surface on vibration and aerodynamic …

An experimental investigation was conducted on the effect 'butterfly acoustical skin'(metallic
version of the lepidopterans scale coverage) on the acoustic performances of two-bladed …

The potential of the 'butterfly acoustical skin', as a new method of reduction aero acoustical
noise for a quiet propeller, has been evaluated. This topic is particularly relevant due to the …

In the course of the historical development of the species in the animate nature flying had
been “invented” several times: winged insect (dragon-flies and cockroaches) populated the …