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Figure 1

From: Control of evaporation by geometry in capillary structures. From confined pillar arrays in a gap radial gradient to phyllotaxy-inspired geometry

Figure 1

The capillary structures studied: (a) unstable system, (b) stable system with notations, (c) and (d) from phyllotaxy to a spiral capillary structure: (c) sunflower pistil (reproduced without changes from Fig. 1 in reference 16 http://rsos.royalsocietypublishing.org/content/3/5/160091. Credits “The MSI Turing’s Sunflower Consortium” under creative commons license CC-BY 4.0 that can be consulted here: https://creativecommons.org/licenses/by/4.0/), (d) our phyllotaxy-inspired capillary structure. The radius, R, of the circular top plate is equal to 1.765, 1.62 and 1.74 mm for the stable, unstable and phyllotaxy models, respectively. The outermost pillars are located at about 100 μm from the model rim for the stable and unstable models and at 175 μm on average from the rim for the phyllotaxy model. The pillar diameter, d, is 50 μm.

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