Impact of granular drops

J. O. Marston, M. M. Mansoor, S. T. Thoroddsen

Research output: Contribution to journalArticle

13 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
Article number010201
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume88
Issue number1
DOIs
StatePublished - Jul 15 2013

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