- turbulence Reynolds number
- 乱流雷诺数
Atmospheric Sciences (English-Chinese) dictionary. 2014.
turbulence Reynolds number
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Reynolds number — n. 〚after O. Reynolds (1842 1912), Eng physicist〛 a dimensionless parameter used to determine the nature of fluid flow along surfaces and around objects, as in a wind tunnel * * * In fluid mechanics, a number that indicates whether the flow of a… … Universalium
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
reynolds number — n. Physics a quantity indicating the degree of turbulence of flow past an obstacle etc. Etymology: O. Reynolds, Engl. physicist d. 1912 * * * ˈrenəldz noun Usage: usually capitalized R Etymology: after Osborne Reynolds died 1912 English physicist … Useful english dictionary
Reynolds number — (Re) the velocity of flow of a fluid multiplied by the diameter of the vessel and divided by the kinematic viscosity of the circulating fluid. It is lower for turbulent flow and higher for laminar flow, and is used for characterizing the… … Medical dictionary
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
Reynolds, Osborne — born Aug. 23, 1842, Belfast, Ire. died Feb. 21, 1912, Watchet, Somerset, Eng. British engineer and physicist. Educated at Cambridge University, he became the first professor of engineering at the University of Manchester (1868). Best known for… … Universalium
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
Osborne Reynolds — in 1903 Born 23 August 1842( … 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
Roshko number — In fluid mechanics, the Roshko number is a dimensionless number describing oscillating flow mechanisms. It is given as:: mathit{Ro} = {St} {Re} = {f L^{2}over u} where Ro is the dimensionless Roshko number, St is the dimensionless Strouhal number … Wikipedia
