Impact of granular drops

Jeremy Marston, Mohammad M. Mansoor, Sigurdur T Thoroddsen

Research output: Contribution to journalArticlepeer-review

14 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 languageEnglish (US)
JournalPhysical Review E
Volume88
Issue number1
DOIs
StatePublished - Jul 15 2013

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