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- DictionaryTur·bu·lence/ˈtərbyələns/
noun
- 1. violent or unsteady movement of air or water, or of some other fluid: "the plane shuddered as it entered some turbulence"
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What is turbulence in fluid dynamics?
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In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity. It is in contrast to a laminar flow , which occurs when a fluid flows in parallel layers, with no disruption between those layers.
Check pronunciation: turbulence. Definition of turbulence noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
4 days ago · turbulence, In fluid mechanics, a flow condition (see turbulent flow) in which local speed and pressure change unpredictably as an average flow is maintained. Common examples are wind and water swirling around obstructions, or fast flow ( Reynolds number greater than 2,100) of any sort.
- The Editors of Encyclopaedia Britannica
Britannica Dictionary definition of TURBULENCE. [noncount] 1. : sudden, violent movements of air or water. The plane hit quite a bit of turbulence during our flight. 2. : a state of confusion, violence, or disorder. A period of turbulence preceded the riots. political/economic/emotional turbulence.
Jan 29, 2022 · What is very counter-intuitive is the onset of turbulence in systems where the laminar (turbulence-free) flow is formally an exact solution to the Navier-Stokes equation for any Re. For example, at Re > Ret ≈ 2, 100 (with l ≡ 2R and v ≡ v max ) the laminar flow in a round pipe, described by Eq. (60), becomes unstable, and the resulting ...
Turbulence arises not only in pipes but also within boundary layers around solid obstacles when the rate of shear within the boundary layer becomes large enough. Curiously enough, the onset of turbulence in the boundary layer can reduce the drag force on obstacles.
2 days ago · turbulence in British English. (ˈtɜːbjʊləns ) or rarely turbulency (ˈtɜːbjʊlənsɪ ) noun. 1. a state or condition of confusion, movement, or agitation; disorder. 2. meteorology. local instability in the atmosphere, oceans, or rivers. 3. turbulent flow in a liquid or gas.
