Taylor-Couette Vortices
Taylor-Couette Flow
Two nested cylinders: The gap between them is filled with a liquid (kalliroscope) that makes flows visible.
The inner cylinder can rotate, as can the outer one. These rotations influence the liquid in different ways.
When the inner cylinder's rotation speed increases, the liquid divides into horizontal bands resembling stacked inner tubes. If the outer cylinder rotates at a similar speed or the inner cylinder remains stationary, this effect does not occur. What explains this difference?
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