Seachem

Kelly Greco (Sea World, Orlando)

Dolphin Plays With Toroidal Vortex

|   Toroidal Vortices or Bubbles Produced by Dolphins, Beluga Whales and Humpback Whales

A toroidal vortex, also called a vortex ring, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a toroidal (doughnut) shape.

The movement of the fluid is about the poloidal or circular axis of the doughnut, in a twisting vortex motion. Examples of this phenomenon are a smoke ring or a microburst.

Vortex rings were first mathematically analyzed by the German physicist Hermann von Helmholtz, in his paper of 1867 On Integrals of the Hydrodynamical Equations which Express Vortex-motion Smoke rings have probably been observed since antiquity since they can easily be blown from the mouth.

About the Author

Fischer is an autonomous collector and conveyor of news, articles, and general information deemed relevant to hobbyists, enthusiasts, aquarists, horticulturalists, aquascapers and aquatic gardeners, conservationists, and industry members. Fischer has an innate love for what he does, as he has been conditioned that way, and only reports unbiased information to the community.
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