Abstract

The evaporation of a drop of American whiskey leaves a characteristic web-like pattern that isn't observed in Scotch whisky and other distillates.

Highlights

  • When a drop of liquid that contains colloids is evaporated, the suspended particles can deposit on the surface in a “coffee-ring” pattern [1]

  • This paper is associated with a poster winner of a 2018 APS/DFD Milton van Dyke Award for work presented at the DFD Gallery of Fluid Motion

  • We were curious if American whiskeys behaved ; a distinct characteristic of American whiskey is that it is aged in charred new oak containers

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Summary

Introduction

When a drop of liquid that contains colloids is evaporated, the suspended particles can deposit on the surface in a “coffee-ring” pattern [1]. This paper is associated with a poster winner of a 2018 APS/DFD Milton van Dyke Award for work presented at the DFD Gallery of Fluid Motion. A variety of techniques exist to manipulate the deposition and assembly of these micro- and nanoparticles.

Results
Conclusion
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