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La 4e de couv. indique : "Voler est un rêve qui nourrit l'imagination des hommes depuis l'Antiquité, comme l'illustrent d'innombrables mythes et histoires populaires. Cet ouvrage nous dévoile les mystères du vol chez les animaux et en révèle toute la complexité. Il retrace son apparition, son évolution et détaille les adaptations morphologiques qu'il nécessite. Il nous invite à découvrir les différentes techniques de vol, depuis l'aérostation au bout d'un fil des araignées et les glissades plus ou moins efficacement contrôlées de certains mammifères ou lézards, jusqu'à l'extrême raffinement du vol stationnaire ou à reculons des syrphes et des oiseaux-mouches. Sans compter les foudroyants piqués de certains taons ou les longs vols intercontinentaux des papillons et des oiseaux qui méritent également d'être évoqués. Enfin, il nous explique les avantages du vol, mais aussi pourquoi tant d'espèces dont les ancêtres volaient ont depuis perdu cette capacité. La progression de nos connaissances sur l'art de voler a ainsi ouvert tout un champ des possibles et inspire des développements notamment en aéronautique pour perfectionner les avions actuels et pour concevoir les objets volants de demain."
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On the Wing is the first book to take a comprehensive look at the evolution of flight in all four groups of powered flyers: insects, pterosaurs, birds and bats. David Alexander describes and evaluates both traditional and modern wing-origin theories in light of new fossil and genetic evidence.
Animal flight. --- Wings (Anatomy) --- Evolution.
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Animal flight --- Flight --- Animaux --- Vol --- Vol
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This is an ideal book for graduate students and researchers interested in the aerodynamics, structural dynamics and flight dynamics of small birds, bats and insects, as well as of micro air vehicles (MAVs), which present some of the richest problems intersecting science and engineering. The agility and spectacular flight performance of natural flyers, thanks to their flexible, deformable wing structures, as well as to outstanding wing, tail and body coordination, is particularly significant. To design and build MAVs with performance comparable to natural flyers, it is essential that natural flyers' combined flexible structural dynamics and aerodynamics are adequately understood. The primary focus of this book is to address the recent developments in flapping wing aerodynamics. This book extends the work presented in Aerodynamics of Low Reynolds Number Flyers (Shyy et al. 2008).
Aerodynamics. --- Airplanes --- Micro air vehicles. --- Wings (Anatomy) --- Animal flight. --- Wings.
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Dalton explores how animals evolved wings and how humans have conquered the associated physical challenges of taking flight. Color illustrations & photos. Praise for the hardcover edition: "The explanation of the physics of flight is one of the strengths of Dalton's text. Dalton's high-speed photographs of animals in flight, combined with color illustrations, beautifully illuminate the sometimes arcane discussions. Overall, this breathtakingly illustrated and well written book is superb."--Booklist. Insects and birds account for three-quarters of all land creatures. For many of them, the ability to fly has allowed them to live in diverse habitats all over the globe. For humans, the mastery of flight is a supreme technical achievement that has revolutionized our world during the last century. The Miracle of Flight shows how animals evolved wings and how humans triumphed over the associated physical challenges of taking to the air. The magic of winged flight is passionately revealed in photography and color illustrations. The main sections cover: Insects and the mechanics of their flight; Birds and their wing structure; Man's centuries old dream of flight; The development of flight from balloons to jets and rockets. Every section of The Miracle of Flight is illustrated by Dalton's stunning wildlife photographs and specially commissioned full color technical drawings. Now in paper: a clear, well illustrated explanation of the physics of flight, including animal and insect flight as well as human, with historical perspectives. Stunning wildlife photos and technical drawings.
Flight. --- Aerodynamics. --- Animal flight. --- Vol --- Aérodynamique --- Animaux --- Vol
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Birds --- Vertebrates --- Animal flight --- Flight --- Animal flight. --- Vertebrates. --- Flight. --- Animal physiology. Animal biophysics --- Animal ethology and ecology. Sociobiology
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This book provides a clear and concise summary of the fluid dynamics of the locomotion of living organisms. The biological phenomena described in detail range from the swimming of bacteria and fish to the flying of insects and birds. The breadth of treatment requires the study of two basic fluid-dynamical regimes. In the first case, that of small organisms, the viscosity of the fluid is paramount in deciding the most effective swimming strategy. However, for larger insects, birds, and most fish, the viscosity of the air or water may be treated as if it were zero, and resulting mechanisms of propulsion are very different. Both these types are studied, with emphasis on the unsteady character of natural movements. Written for the advanced student, this volume assumes familiarity with basic fluid mechanics, although some elementary topics are included. It will be readily accessible to students of applied mathematics and biologists who have engineering or physics backgrounds.
Animal flight --- Animal swimming --- Fluid dynamics --- Navier-Stokes equations. --- Mathematical models.
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Animal flight --- Animal swimming --- Fluid dynamics --- Navier-Stokes equations. --- Mathematical models. --- Mathematical models. --- Mathematical models.
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