darcy's law


darcy's law
\\ˈdärsēz-\ noun
Usage: usually capitalized D
Etymology: after H.P.G. Darcy, its formulator
: a statement in fluid dynamics: the velocity of flow of a liquid through a porous medium due to difference in pressure is proportional to the pressure gradient in the direction of flow

Useful english dictionary. 2012.

Look at other dictionaries:

  • Darcy's law — is a phenomenologically derived constitutive equation that describes the flow of a fluid through a porous medium. The law was formulated by Henry Darcy based on the results of experiments[1] on the flow of water through beds of sand. It also… …   Wikipedia

  • Darcy's law — ▪ hydrology       mathematical relationship discovered (1856) by the French engineer Henri Darcy (Darcy, Henri Philibert Gaspard) that governs the flow of groundwater through granular media or the flow of other fluids through permeable material,… …   Universalium

  • Darcy’s law —    An empirical law given as which states that the average volumetric discharge of flow through a porous medium is directly proportional to the hydraulic gradient assuming that the flow is laminar and inertia can be neglected.    Note:… …   Lexicon of Cave and Karst Terminology

  • Darcy (disambiguation) — Contents 1 Science 2 People 2.1 Surnames 2.2 First names …   Wikipedia

  • Darcy — For the 19th century French scientist, see Henry Darcy. This article is about the unit of fluid permeability. For other uses, see Darcy (disambiguation). A darcy (or darcy unit) and millidarcy (mD) are units of permeability, named after Henry… …   Wikipedia

  • Darcy, Henri-Philibert-Gaspard — ▪ French engineer born June 10, 1803, Dijon, France died Jan. 3, 1858, Paris       French hydraulic engineer who first derived the equation (now known as Darcy s law) that governs the laminar (nonturbulent) flow of fluids in homogeneous, porous… …   Universalium

  • darcy — ˈdärsē noun ( s) Etymology: after Henri P.G. Darcy died 1858 French hydraulic engineer : a unit of porous permeability in physics equal to the permeability of a medium through which the rate of flow of a fluid having one centipoise viscosity… …   Useful english dictionary

  • Darcy Burner — Democratic Party nominee for U.S. House of Representatives from Washington s, 8th District Election date November 4, 2008. (Declared candidate for Washington s 1st Distr …   Wikipedia

  • Darcy v. Allein — 77 Eng. Rep. 1260 (King s Bench, 1603) (often mis spelled as Darcy v. Allain or Darcy v. Allen , but most widely known as The Case of Monopolies ), was an early landmark case in English law, establishing that the grant of exclusive rights to pro …   Wikipedia

  • Darcy Dugan — Darcy Dugan, police photo 1949. Image from the State Library of New South Wales Born 1920 (1920) Sydney, New South Wales Died …   Wikipedia


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