Results 261 to 270 of about 358,967 (299)

Structural dynamics and neural representation of wing deformation. [PDF]

open access: yesProc Natl Acad Sci U S A
Yarger AM   +6 more
europepmc   +1 more source
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The spectrum of animal flight: insects to pterosaurs

Progress in Aerospace Sciences, 2000
Abstract This paper summarises available data on the geometry and flight characteristics of all types of winged animals, including insects, gliders, birds, bats and pterosaurs. Helicopter momentum stream tube theory has been adapted for the estimation of the upper size limits for flying animals in gliding, hovering, solitary and formation flight, and
exaly   +2 more sources

On numerical modeling of animal swimming and flight

Computational Mechanics, 2013
Aquatic and aerial animals have developed their superior and complete mechanisms of swimming and flight. These mechanisms bring excellent locomotion performances to natural creatures, including high efficiency, long endurance ability, high maneuverability and low noise, and can potentially provide inspiration for the design of the man-made vehicles. As
Yuan-Qing Xu, Jian Wu, Fang-Bao Tian
exaly   +2 more sources

On the aerodynamics of animal flight in ground effect

Philosophical Transactions of the Royal Society B: Biological Sciences, 1991
Abstract Flight in ground effect above a flat, smooth surface may give an animal considerable performance advantages, including a reduction in cost of transport of up to 15%, and a reduction in mechanical flight power of as much as 35%, compared with values for flight out of ground effect.
exaly   +2 more sources

Photographs of animals in flight

2017
This chapter will deal with several important aspects that need to be considered when creating exciting and insightful visual material. Photographs of flight are usually “action photographs” that require quick reaction. The wings of insects move so rapidly that they can only be “frozen” over fractions of milliseconds.
Georg Glaeser   +2 more
openaire   +1 more source

The fascination of animal flight

Trends in Ecology & Evolution, 2005
The ability to fly in animals is one of the masterpieces of evolution. The ecological advantages include a rapid escape mechanism, and rapid and relatively (energetically) cheap transport. Even though humans have been interested in bird flight for centuries, the interest remains at a high level and modern research is steadily revealing new findings ...
openaire   +1 more source

Metabolic changes in the animals subjected to space flight

Acta Astronautica, 1982
The activity of the enzymes involved in aminoacid metabolism (tyrosine aminotransferase, TAT, tryptophan pyrrolase TP, serine dehydratase, SD) with rapid response to glucocorticoids and enzymes requiring for activity increase repeated administration of corticosterone (alanine aminotransferase, ALT, aspartate aminotransferase, AST) in liver, the changes
L, Macho   +5 more
openaire   +2 more sources

US Airways Flight 1549 Hudson River crash animation with flight data

ACM SIGGRAPH 2010 Dailies, 2010
US Airways Flight 1549 Hudson River crash simulation using actual flight data provides further insight into the event.
Kel Elkins, Glenn Warrington
openaire   +1 more source

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