The aerodynamic wall

Caroline Cohen 1 Baptiste Darbois-Texier 1 Guillaume Dupeux 2 Eric Brunel 3 David Quere 1 Christophe Clanet 2, *
* Auteur correspondant
1 LadHyX - Laboratoire d'hydrodynamique
2 PMMH - Physique et mécanique des milieux hétérogenes
3 Lille - ONERA - The French Aerospace Lab
Abstract : 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.
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Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Royal Society, The, 2014, 470 (2161), 〈10.1098/rspa.2013.0497〉
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https://hal-polytechnique.archives-ouvertes.fr/hal-00995135
Contributeur : Denis Roura <>
Soumis le : dimanche 25 mai 2014 - 21:10:19
Dernière modification le : jeudi 7 février 2019 - 16:23:40

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X-LADHYX | X | UNIV-PARIS7 | ONERA | ESPCI | PMMH | PARISTECH | UPMC | PSL | USPC | X-DEP-MECA | SORBONNE-UNIVERSITE

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Caroline Cohen, Baptiste Darbois-Texier, Guillaume Dupeux, Eric Brunel, David Quere, et al.. The aerodynamic wall. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Royal Society, The, 2014, 470 (2161), 〈10.1098/rspa.2013.0497〉. 〈hal-00995135〉

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