Turbulent flow
Turbulent Flow
Turbulent flow (pronunciation: /ˈtɜːrbjʊlənt floʊ/) is a type of fluid (gas or liquid) flow in which the fluid undergoes irregular fluctuations, or mixing. In contrast to laminar flow, the fluid does not flow in parallel layers, the lateral mixing is very high, and there is a disruption between the layers.
Etymology
The term 'turbulent flow' is derived from the Latin word 'turbulentus' which means 'full of confusion, disorderly'. The term 'flow' comes from the Old English word 'flōwan', which means 'to flow, stream, issue; become liquid, melt'.
Related Terms
- Laminar Flow: A type of flow in which the fluid travels smoothly or in regular paths, in contrast to turbulent flow, where the fluid undergoes irregular fluctuations and mixing.
- Reynolds Number: A dimensionless quantity that is used to predict the onset of turbulence in a fluid flow.
- Fluid Dynamics: The study of the movement of fluids, including their interactions as two fluids come into contact with each other.
- Viscosity: A measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluid with large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
- Drag (Physics): A force acting opposite to the relative motion of any object moving with respect to a surrounding fluid.
See Also
External links
- Medical encyclopedia article on Turbulent flow
- Wikipedia's article - Turbulent flow
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