Tag: Turbulence
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Rayleigh-Taylor Instability
Introduction In the dynamic world of fluid mechanics, the Rayleigh-Taylor instability stands out as a classic yet intriguing phenomenon. It involves an unstable interface between two fluids of different densities under the effect of gravity or any equivalent acceleration. These instabilities appear in a wide array of scenarios from ink dispersing in water to the…
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Turbulence
Introduction Turbulence is a complex phenomenon involving irregular, chaotic fluid flow. Unlike laminar flow, which is smooth and orderly, turbulent flow is characterized by vortices, eddies, and apparent randomness. Physics of Turbulence The onset of turbulence is generally associated with a critical value of the Reynolds number a dimensionless quantity representing the ratio of inertial…