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Related Experiment Video

Updated: May 8, 2026

High Throughput Analysis of Liquid Droplet Impacts

High Throughput Analysis of Liquid Droplet Impacts

Published on: March 6, 2020

Impact of granular drops.

J O Marston¹, M M Mansoor, S T Thoroddsen

¹Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|August 16, 2013

Summary

We studied how wet sand drops spread and splash upon hitting a surface. The drop

Area of Science:

Physics
Fluid Dynamics
Materials Science

Background:

Granular materials exhibit complex behaviors distinct from continuous fluids.
Understanding granular drop impact is crucial for various industrial and natural processes.

Purpose of the Study:

To investigate the dynamics of granular drop impact.
To quantify the spreading and splashing phenomena of sand-water mixtures.

Main Methods:

Formation of granular drops using sand and water as a binder.
Experimental measurement of spread diameter and impact speeds.
Analysis of ejected grain velocities during splashing.

Main Results:

The normalized spread diameter (d/D) follows a power-law relationship with impact parameters: (tV/D)(1/2).

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Last Updated: May 8, 2026

High Throughput Analysis of Liquid Droplet Impacts

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Published on: March 6, 2020

Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids

Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids

Published on: March 5, 2014

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Published on: August 18, 2018

Ejected grain speeds during splashing are typically less than twice the initial impact speed.

Conclusions:

The spreading of granular drops is predictable under specific impact conditions.
Splashing dynamics are constrained, with ejected particles not significantly exceeding impact velocities.