Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session L35: Geophysical Fluid Dynamics: General
4:05 PM–6:41 PM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B407
Chair: Alfredo Pinelli, City University London
Abstract ID: BAPS.2018.DFD.L35.2
Abstract: L35.00002 : Sculpting stone forests
4:18 PM–4:31 PM
Presenter:
Leif Ristroph
(New York University - Courant Institute)
Authors:
Leif Ristroph
(New York University - Courant Institute)
Jinzi Mac Huang
(New York University)
Joshua Tong
(New York University)
Michael John Shelley
(New York Univ NYU)
Landforms are readily recognized by their stereotyped shapes, but their formation processes are often hidden in geological history and involve complex interactions between flowing fluids and solid but shapeable boundaries. Spectacular examples are so-called stone forests, which are found worldwide and consist of thousands of tall, upright pillars of dissolvable mineral rock. Using candy as a stand-in for mineral in lab experiments on dissolution, we show that forests can be 'grown' under surprisingly simple conditions. We also focus on a single tree in the forest, and boundary layer theory modeling shows how dissolution-generated flows 'lick' and reshape the pillar into a singularly sharp spike.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.L35.2
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