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Non-axisymmetric impact creates pineapple-shaped cavity
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10.1063/1.3640021
/content/aip/journal/pof2/23/9/10.1063/1.3640021
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/9/10.1063/1.3640021
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color) Seven snapshots of a cavity created when a round disk with an m = 20 azimuthal disturbance (shaped like a 20-petal daisy) impacts a water surface with velocity v = 1 m/s. Clearly, the 2% initial disturbance is retained until the very end, and is seen to oscillate several times during expansion and collapse. The diamond-shaped structure of the cavity near pinch-off (d), resembling the skin of a pineapple, reflects the history of these oscillations. (Time after impact: a: 33 ms, b: 77 ms, c: 95 ms, d: 104 ms, e: 107 ms, f: 125 ms, g: 200 ms.)

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/content/aip/journal/pof2/23/9/10.1063/1.3640021
2011-09-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Non-axisymmetric impact creates pineapple-shaped cavity
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/9/10.1063/1.3640021
10.1063/1.3640021
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