Fig. 4: Long-time dynamics of a free body. | Nature Communications

Fig. 4: Long-time dynamics of a free body.

From: Levitation and dynamics of bodies in supersaturated fluids

Fig. 4

a A freely moving 3D-printed sphere of radius 1 cm and mass 4.25 g in carbonated water, rotates and returns to the free surface. b The locally averaged position over a window of ± 5 min for a single experiment is shown as a dark curve; the standard deviation is shown with error bars. c The instantaneous vertical position from (b). The body tends to visit the surface numerous times in succession, clearing off more and more of the surface, before plummeting. d At later times, body rising events are often cut short by premature detachment of large individual bubbles. e The dancing frequency, f ≔ 1/Δ(t), where Δ(t) measures the averaged excursion time (over a ± 5 min window) from surface-departure to surface return. The solid curve shows the mean over three experiments, error bars show the standard deviation across experiments, and the dashed lines are from (11). Inset: the same, on a log-linear scale.

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