turbulence number
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Turbulence — In fluid dynamics, turbulence or turbulent flow is a fluid regime characterized by chaotic, stochastic property changes. This includes low momentum diffusion, high momentum convection, and rapid variation of pressure and velocity in space and… … Wikipedia
turbulence — /terr byeuh leuhns/, n. 1. the quality or state of being turbulent; violent disorder or commotion. 2. Hydraulics. the haphazard secondary motion caused by eddies within a moving fluid. 3. Meteorol. irregular motion of the atmosphere, as that… … Universalium
Magnetohydrodynamic turbulence — Magnetohydrodynamics (MHD) deals with what is a quasi neutral fluid with very high conductivity. The fluid approximation implies that the we focus at macro length and time scales which are much larger than the collision length and collision time… … Wikipedia
Clear-air turbulence — For other uses, see Clear Air Turbulence (disambiguation). Clear air turbulence (CAT) is the turbulent movement of air masses in the absence of any visual cues such as clouds, and is caused when bodies of air moving at widely different speeds… … Wikipedia
Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… … Wikipedia
Richardson number — The Richardson number is named after Lewis Fry Richardson (1881 ndash; 1953). It is the dimensionless number that expresses the ratio of potential to kinetic energy [Modellers will be more familiar with the reciprocal of the square root of the… … Wikipedia
Wake turbulence — make up the primary and most dangerous component of wake turbulence. Wake turbulence is especially hazardous during the landing and take off phases of flight, for three reasons. The first is that during take off and landing, aircraft operate at… … Wikipedia
Bulk Richardson number — DefinitionThe Bulk Richardson Number (BRN) is a dimensionless number in meteorology relating vertical stability and vertical shear (generally, stability divided by shear). It represents the ratio of thermally produced turbulence and turbulence… … Wikipedia
Rytov number — The Rytov number is a fundamental scaling parameter for laser propagation through atmospheric turbulence. Rytov numbers greater than 0.2 are generally considered to be strong scintillation. A Rytov number of 0 would indicate no turbulence, thus… … Wikipedia
6 (number) — This article is about the mathematical number. For other uses, see 6 (disambiguation). 6 −1 0 1 2 3 4 5 6 7 8 9 → List of numbers Integers … Wikipedia
Turbulent Prandtl number — The turbulent Prandtl number (Pr t) is a non dimensional term defined as the ratio between the momentum eddy diffusivity and the heat transfer eddy diffusivity. It is useful for solving the heat transfer problem of turbulent boundary layer flows … Wikipedia
