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Visualizations of medusa flow currents.

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Presentation on theme: "Visualizations of medusa flow currents."— Presentation transcript:

1 Visualizations of medusa flow currents.
Visualizations of medusa flow currents. (A) Jet propulsion in juvenile Aequorea victoria. A vortex ring (CV) is formed in the water during the bell contraction phase, whereas no vortex is formed in the water during the bell relaxation phase. (B) Jet-paddling in Aurelia aurita. Vortex rings of opposing rotational orientation are formed in the water during bell contraction (CV) and relaxation (RV), respectively. The stopping vortex can be observed forming near the bell margin (RV). This vortex will interact with the subsequent contraction phase vortex, affecting swimming thrust and efficiency (see text). John O. Dabiri et al. J Exp Biol 2007;210: © The Company of Biologists Limited 2007

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