Sequence of fluid mixing around vortex

Sequence of fluid mixing around vortex

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This image is part of the sequence Science: coloured fluid mixing around a vortex


Caption: Fluid mixing. Fourth of four images of swirls of dye revolving around a square container, showing how the fluid mixes as the vortex slows dow (decays). The red dye in the vortex interior has remained together, showing that there is little mixing there. The green swirls around the outside, particularly in the corners, have been stretched and folded, showing that mixing is occurring. This mixing is created by turbulence caused by the interference of the fluid flow by the walls of the container. This turbulence is chaotic, meaning that the exact way that it will affect the fluid flow cannot be determined beforehand. (See also A350/102, A350/103 & A350/104). Decaying vortex in a salt-stratified fluid.

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Keywords: chaos, dye, dye swirl, effects, fluid, fluid dynamics, fluid mixing, fluid turbulence, liquid, mixing, physical effect, physics, swirls, turbulent mixing, vortex, vortices

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