Rayleigh–Bénard convection (nonfiction): Difference between revisions
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* [https://en.wikipedia.org/wiki/Rayleigh%E2%80%93B%C3%A9nard_convection Rayleigh–Bénard convection] @ Wikipedia | * [https://en.wikipedia.org/wiki/Rayleigh%E2%80%93B%C3%A9nard_convection Rayleigh–Bénard convection] @ Wikipedia | ||
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Latest revision as of 19:54, 4 November 2019
Bénard–Rayleigh convection (or Rayleigh-Bénard convection) is a type of natural convection, occurring in a plane horizontal layer of fluid heated from below, in which the fluid develops a regular pattern of convection cells known as Bénard cells. Bénard–Rayleigh convection is one of the most commonly studied convection phenomena because of its analytical and experimental accessibility. The convection patterns are the most carefully examined example of self-organizing nonlinear systems.
Buoyancy, and hence gravity, are responsible for the appearance of convection cells. The initial movement is the upwelling of lesser density fluid from the heated bottom layer. This upwelling spontaneously organizes into a regular pattern of cells.
- Rayleigh–Bénard convection @ Wikipedia