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Hydrodynamics simulation of a single "finger" of the Rayleigh–Taylor instability. [1] Note the formation of Kelvin–Helmholtz instabilities, in the second and later snapshots shown (starting initially around the level =), as well as the formation of a "mushroom cap" at a later stage in the third and fourth frame in the sequence.
Plateau–Rayleigh instability: Stability of jets and drops: Joseph Plateau and Lord Rayleigh: Rayleigh–Bénard instability: Natural convection, Rayleigh–Bénard convection: Lord Rayleigh and Henri Bénard: Rayleigh–Taylor instability: Instability created by density stratification: Lord Rayleigh and Geoffrey Ingram Taylor: Richtmyer ...
Rayleigh–Taylor instability has a big effect on the Earth's climate. Winds that come from the coast of Greenland and Iceland cause evaporation of the ocean surface over which they pass, increasing the salinity of the ocean water near the surface, and making the water near the surface denser. This then generates plumes which drive the ocean ...
Hydrodynamics simulation of the Rayleigh–Taylor instability [3] Unstable flow structure generated from the collision of two impinging jets. Fluid instabilities occur in liquids, gases and plasmas, and are often characterized by the shape that form; they are studied in fluid dynamics and magnetohydrodynamics. Fluid instabilities include:
The Plateau–Rayleigh instability is named for Joseph Plateau and Lord Rayleigh.In 1873, Plateau found experimentally that a vertically falling stream of water will break up into drops if its length is greater than about 3.13 to 3.18 times its diameter, which he noted is close to π.
This process injects hotter, lower density plasma into a colder, higher density region. It is the MHD analog of the well-known Rayleigh-Taylor instability. The Rayleigh-Taylor instability occurs at an interface in which a lower density liquid pushes against a higher density liquid in a gravitational field. In a similar model with a ...
The three terms in the above formula, respectively, corresponds to Darrieus–Landau instability (density fingering), Saffman–Taylor instability (viscous fingering) and Rayleigh–Taylor instability (gravity fingering), in the context of Darcy's law. The Saffman–Taylor instability is specific to confined flames and does not exist in ...
In fluid dynamics, the Taylor number (Ta) is a dimensionless quantity that characterizes the importance of centrifugal "forces" or so-called inertial forces due to rotation of a fluid about an axis, relative to viscous forces. [1] In 1923 Geoffrey Ingram Taylor introduced this quantity in his article on the stability of flow. [2]