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turbulence

turbulence

7 6.3
Chaotic movement in a liquid or gas that causes swirling
  • noun
  • /ˈtɜrbjələns/
  • Specialized
translation icon : turbulencia
  • His pioneering work on turbulence-driven secondary motion in non-circular ducts has been recognized worldwide.
  • atmospheric turbulence
  • air turbulence
  • turbulence flow

So you have to have a transition between the cylinder and the sphere to prevent that turbulence from being introduced.

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Examples

  • It has far less wake, less water turbulence and very little energy consumed.

  • In contrast, adaptive optics correct for atmospheric turbulence in real time.

    Academic text (1994)
  • His contributions on turbulence have had a significant impact on various industrial applications within mechanical engineering.

    Academic text (2003)
  • In 2003, he and his colleagues developed a new theory for wall turbulence.

    Academic text (2004)
  • He may have run into our wake turbulence.

  • "In this stage, we are controlling the turbulence and maintaining a residence time of 2 seconds."

    Academic text (1995)
  • The level of turbulence within the 42" pipe as water passes through determines the degree of mixing.

    Academic text (1998)
  • We've encountered severe turbulence off the seamount.

  • His current research emphasizes turbulent, chemically reacting flows and also waves and turbulence in density-stratified flows and rotating flows.

    Academic text (2004)
  • The plane experienced significant turbulence during the flight, causing it to shake unexpectedly.

Synonyms

turbulency
vsturbulence
  • Specialized
8.1

Unstable, swirling movement of air or water with sudden unpredictable currents

emphasizes the resulting swirling and disturbance rather than just instability
turbulent flow
vsturbulence
  • Specialized
7.9

Fast, changing movement of water or air that makes swirls

covers irregular chaotic movement more generally not only technical patterns

Antonyms

38 3.5

A time of complete quiet and no movement that feels calm

3 3.6

A way of keeping things neat and in the right place

Compounds

clear-air turbulence
  • Specialized
1 8.4

Sudden strong air movement in clear sky that shakes airplanes

How Turbulent

turbulence
  • Specialized
7 6.3
laminar flow
  • Specialized
1 6.4

Surface Forms

turbulence singular
turbulences plural

Morphology

turbulence = turbulent (semi-transparent) = turbul + ence

The connection to 'turbulent' is clear, but the specific application to fluid dynamics requires additional knowledge.

Etymology

Turbulence comes from Latin turbare 'to disturb' and turba 'crowd', so imagine water or air turning and mixing like a crowd moving in all directions. That's why turbulence means the uneven, swirling movement of a liquid or gas.