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Fyfluiddynamics

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Image Credit: Fyfluiddynamics

Bubbly Tornadoes Aspin

  • The UCLA SpinLab demonstrates the power of buoyancy in livening up a flow.
  • In a spinning tank of water, plastic tracers are dropped, showing solid body rotation.
  • As Alka-Seltzer tablets dissolve, they release bubbles that rise, dragging surrounding water.
  • The incoming water with vorticity speeds up, resulting in a spiraling, bubble-filled vortex.

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