Explosions at the water surface

Abstract : We study the shape and dynamics of cavities created by the explosion of firecrackers at the surface of a large pool of water. Without confinement, the explosion generates a hemispherical air cavity which grows, reaches a maximum size and collapses in a generic w-shape to form a final central jet. When a rigid open tube confines the firecracker, the explosion produces a cylindrical cavity that expands without ever escaping the free end of the tube. We discuss a potential flow model, which captures most of these features
Complete list of metadatas

Cited literature [22 references]  Display  Hide  Download

https://hal-polytechnique.archives-ouvertes.fr/hal-01057751
Contributor : Denis Roura <>
Submitted on : Monday, August 25, 2014 - 1:06:31 PM
Last modification on : Thursday, July 4, 2019 - 11:00:05 AM
Long-term archiving on : Tuesday, April 11, 2017 - 8:14:22 PM

File

S0022112014002559a.pdf
Publisher files allowed on an open archive

Identifiers

Citation

Adrien Benusiglio, David Quéré, Christophe Clanet. Explosions at the water surface. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2014, 752 (august), pp.123-139. ⟨10.1017/jfm.2014.255⟩. ⟨hal-01057751⟩

Share

Metrics

Record views

391

Files downloads

450