Spinning Flight: Dynamics of Frisbees, Boomerangs, Samaras, and Skipping Stones / Edition 1
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Spinning Flight: Dynamics of Frisbees, Boomerangs, Samaras, and Skipping Stones / Edition 1

by Ralph D. Lorenz
     
 

ISBN-10: 0387307796

ISBN-13: 9780387307794

Pub. Date: 08/30/2006

Publisher: Springer New York

More frisbees are sold each year than baseballs, basketballs and footballs combined. Yet these familiar flying objects have subtle and clever aerodynamic and gyrodynamic properties which are only recently being documented by wind tunnel and other studies. In common with other rotating bodies discussed in this readily accessible book, they are typically not treated

Overview

More frisbees are sold each year than baseballs, basketballs and footballs combined. Yet these familiar flying objects have subtle and clever aerodynamic and gyrodynamic properties which are only recently being documented by wind tunnel and other studies. In common with other rotating bodies discussed in this readily accessible book, they are typically not treated in textbooks of aeronautics and the literature is scattered in a variety of places. This book develops the theme of disc-wings and spinning aerospace vehicles in parallel. Since many of the examples are recreational, anyone who enjoys these activities will likely find it profitable and enjoyable. In addition to spinning objects of various shapes, several exotic manned aircraft with disc planforms have been proposed and a prototypes built - these include a Nazi 'secret weapon' and the De Havilland Avrocar, also discussed in the book. Boomerangs represent another category of spinning aerodynamic body whose behavior can only be understood by coupling aerodynamics with gyrodynamics. The narrative, supported by equations and graphs, explains how the shape and throw of a boomerang relates to its trajectory. The natural world presents still other examples, namely the samaras or 'seed-wings' of many tree species, which autorotate during their descent, like a helicopter whose engine has failed. The flight performance of these spinning wings directly affects the dispersal and thus the evolutionary competitiveness of the trees concerned. Samara-type configurations are also considered for instrumentation and other payload dispersal applications. In short, the book discusses a range of familiar, connected, but largely undeveloped, topics in an accessible, but complete, manner.

Product Details

ISBN-13:
9780387307794
Publisher:
Springer New York
Publication date:
08/30/2006
Edition description:
2006
Pages:
346
Sales rank:
893,028
Product dimensions:
6.10(w) x 9.25(h) x 0.04(d)

Table of Contents

Aerodynamics of Balls.- Bouncing Balls, Airbags, and Tumbleweeds.- Spinning Bullets, Bombs, and Rockets.- Satellites and Spin.- Encountering Asteroids and Comets.- Planetary Probes and Spinning Parachutes.- Frisbees.- Spinning Cylinders and Rings.- Spinning Aircraft and Nonspinning Disc Aircraft.- The Boomerang.- Samaras.- Skipping Stones and Bouncing Bombs.- Conclusions.

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