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  2. Eddy (fluid dynamics) - Wikipedia

    en.wikipedia.org/wiki/Eddy_(fluid_dynamics)

    In fluid dynamics, an eddy is the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime. [2] The moving fluid creates a space devoid of downstream-flowing fluid on the downstream side of the object.

  3. Whirlpool - Wikipedia

    en.wikipedia.org/wiki/Whirlpool

    A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. [1] [clarification needed] Small whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms (/ ˈ m eɪ l s t r ɒ m,-r ə m / MAYL-strom, -⁠strəm).

  4. Eddy pumping - Wikipedia

    en.wikipedia.org/wiki/Eddy_pumping

    Ekman pumping - Ekman Pumping is the component of Ekman transport that results in areas of downwelling due to the convergence of water; Haida Eddies - episodic, clockwise rotating ocean eddies that form during the winter off the west coast of British Columbia; Mesoscale ocean eddies - Swirling in the ocean created by its turbulent nature

  5. Pothole (landform) - Wikipedia

    en.wikipedia.org/wiki/Pothole_(landform)

    It is created by the erosional forces of turbulence generated by water falling on rocks at a waterfall's base where the water impacts. [2] Potholes are also sometimes referred to as swirlholes . This word was created to avoid confusion with an English term for a vertical or steeply inclined karstic shaft in limestone .

  6. Plunge pool - Wikipedia

    en.wikipedia.org/wiki/Plunge_pool

    Plunge pools are often very deep, generally related to the height of the fall, the volume of water, the resistance of the rock below the pool and other factors. [4] The impacting and swirling water, sometimes carrying rocks within it, abrades the riverbed into a basin, which often features rough and irregular sides. Plunge pools can remain long ...

  7. Vortex - Wikipedia

    en.wikipedia.org/wiki/Vortex

    The shape formed by the free surface is called a hyperboloid, or "Gabriel's Horn" (by Evangelista Torricelli). The core of a vortex in air is sometimes visible because water vapor condenses as the low pressure of the core causes adiabatic cooling; the funnel of a tornado is an example. When a vortex line ends at a boundary surface, the reduced ...

  8. These are the pedophile symbols you need to know to protect ...

    www.aol.com/news/2016-04-26-these-are-the...

    You can keep your children safer by knowing the symbols and codes pedophiles use to recognize and communicate with each other.

  9. Spray nozzle - Wikipedia

    en.wikipedia.org/wiki/Spray_nozzle

    Pressure-swirl spray nozzles are high-performance (small drop size) devices with one configuration shown. The stationary core induces a rotary fluid motion which causes the swirling of the fluid in the swirl chamber. A film is discharged from the perimeter of the outlet orifice producing a characteristic hollow cone spray pattern.