Impact of granular drops

Jeremy Marston; Mohammad M. Mansoor; Sigurdur T Thoroddsen

doi:10.1103/PhysRevE.88.010201

Impact of granular drops

Jeremy Marston, Mohammad M. Mansoor, Sigurdur T Thoroddsen

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We investigate the spreading and splashing of granular drops during impact with a solid target. The granular drops are formed from roughly spherical balls of sand mixed with water, which is used as a binder to hold the ball together during free-fall. We measure the instantaneous spread diameter for different impact speeds and find that the normalized spread diameter d/D grows as (tV/D)1/2. The speeds of the grains ejected during the “splash” are measured and they rarely exceed twice that of the impact speed.

Original language	English (US)
Journal	Physical Review E
Volume	88
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevE.88.010201
State	Published - Jul 15 2013

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KAUST Repository Item: Exported on 2020-10-01

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10.1103/PhysRevE.88.010201

https://repository.kaust.edu.sa/bitstream/10754/552866/1/PhysRevE.88.010201.pdf

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AB - We investigate the spreading and splashing of granular drops during impact with a solid target. The granular drops are formed from roughly spherical balls of sand mixed with water, which is used as a binder to hold the ball together during free-fall. We measure the instantaneous spread diameter for different impact speeds and find that the normalized spread diameter d/D grows as (tV/D)1/2. The speeds of the grains ejected during the “splash” are measured and they rarely exceed twice that of the impact speed.

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JO - Physical Review E

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Impact of granular drops

Abstract

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