| Added | Tue, 11/10/2016 |
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Toroidal vortex (also vortex ring) is a phenomenon in which the region of rotating fluid moving through the same or a different area of a fluid when the flow pattern takes the shape of a toroid (donut).
Axisymmetric air movement around the imaginary surface of a torus as the result of a complex combination of zonal and meridional movements. In the formation of vortex rings play the role of the forces of viscous friction. Often such rings are formed in natural conditions (for example, near the crater of the volcano), but can be created artificially with the help of a special installation.
Under water they can also be formed. For example, they form the dolphins and whales.
Translated by «Yandex.Translator»
Air ring, created by dolphins "twisted exhalation". Probably for the game.
Translated by «Yandex.Translator»
The air bubble of the Humpback whale.
With the help of bubbles the whale can make a special fish traps.
Translated by «Yandex.Translator»
Humpback whale attacks its prey by surrounding them with "bubble netting" - a turbulent cylinder of bubbles, which creates a whale, forcing the air through his blowhole when he rises in a spiral up to the surface of the ocean.
Translated by «Yandex.Translator»
Humpback whale attacks its prey by surrounding them with "bubble netting" - a turbulent cylinder of bubbles, which creates a whale, forcing the air through his blowhole when he rises in a spiral up to the surface of the ocean.
Translated by «Yandex.Translator»
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Дрон запечатлел хитрый (и очень красивый) способ охоты горбатых китов
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