The Reynolds number is a flow parameter

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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 — noun a dimensionless parameter that determines the behavior of viscous flow patterns. In pipe flow a value less than about 2,000 (known as the critical Reynolds number) produces laminar flow, one above about 3,000 produces turbulent flow… …   Wiktionary

• 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 …   English World dictionary

• Dean number — The Dean number is a dimensionless group in fluid mechanics, which occurs in the study of flow in curved pipes and channels. It is named after the British scientist W. R. Dean, who studied such flows in the 1920s (Dean, 1927, 1928). Definition… …   Wikipedia

• flow — 1. To bleed from the uterus less profusely than in flooding. 2. The menstrual discharge. 3. Movement of a liquid or gas; specifically, the volume of liquid or gas passing a given point per unit of …   Medical dictionary

• Laminar flow — Laminar flow, sometimes known as streamline flow, occurs when a fluid flows in parallel layers, with no disruption between the layers. In fluid dynamics, laminar flow is a flow regime characterized by high momentum diffusion, low momentum… …   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

• Dynamic similarity (Reynolds and Womersley numbers) — Contents 1 Derivation 2 Dynamic similarity use 3 Boundary layer thickness 4 References 5 Exter …   Wikipedia

• Keulegan–Carpenter number — The Keulegan–Carpenter number is important for the computation of the wave forces on offshore platforms. In fluid dynamics, the Keulegan–Carpenter number, also called the period number, is a dimensionless quantity describing the relative… …   Wikipedia

• Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… …   Wikipedia