Explosions at the water surface
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AbstractWe 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.
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2007 ◽
Vol 93
(1-4)
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pp. 111-121
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2008 ◽
Vol 42
(2)
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pp. 136-141
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