Article (Scientific journals)
The aerodynamic wall
Cohen, Caroline; Darbois-Texier, Baptiste; Dupeux, Guillaume et al.
2013In Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences, 470
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Keywords :
ballistics; particle trajectory; quadratic drag
Abstract :
[en] We study the trajectory of dense projectiles subjected to gravity and drag at large Reynolds number. We show that two types of trajectories can be observed: if the initial velocity is smaller than the terminal velocity of free fall, we observe the classical Galilean parabola: if it is larger, the projectile decelerates with an asymmetric trajectory first drawn by Tartaglia, which ends with a nearly vertical fall, as if a wall impeded the movement. This regime is often observed in sports, fireworks, watering, etc. and we study its main characteristics.
Disciplines :
Physics
Author, co-author :
Cohen, Caroline;  LadHyX - Ecole Polytechnique > Département de Mécanique
Darbois-Texier, Baptiste ;  LadHyX - Ecole Polytehcnique > Département de Mécanique
Dupeux, Guillaume;  PMMH - ESPCI
Brunel, Eric;  DCSD, ONERA
Quéré, David;  PMMH - ESPCI
Clanet, Christophe;  LadHyX - Ecole Polytechnique > Département de Mécanique
Language :
English
Title :
The aerodynamic wall
Alternative titles :
[fr] Le mur aérodynamique
Publication date :
30 October 2013
Journal title :
Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences
ISSN :
1364-5021
eISSN :
1471-2946
Publisher :
Royal Society of London, London, United Kingdom
Volume :
470
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 November 2014

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