Darcy flow regime

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• Darcy friction factor formulae — In fluid dynamics, the Darcy friction factor formulae are equations based on experimental data and theory for the Darcy friction factor. The Darcy friction factor is a dimensionless quantity used in the Darcy–Weisbach equation, for the… …   Wikipedia

• Darcy–Weisbach equation — In fluid dynamics, the Darcy–Weisbach equation is a phenomenological equation, which relates the head loss or pressure loss due to friction along a given length of pipe to the average velocity of the fluid flow. The equation is named after Henry… …   Wikipedia

• Darcy-Weisbach equation — The Darcy Weisbach equation is an important and widely used phenomenological equation in hydraulics. It relates the head loss or pressure loss due to friction along a given length of pipe to the average velocity of the fluid flow. Head loss form… …   Wikipedia

• Multiphase flow — In fluid mechanics, multiphase flow is a generalisation of the modelling used in two phase flow to cases where the two phases are not chemically related (e.g. dusty gases) or where more than two phases are present (e.g. in modelling of… …   Wikipedia

• Équation de Darcy-Weisbach — L équation de Darcy Weisbach est une importante équation très utilisée en hydraulique[Paraschivoiu 1]. Elle permet de calculer la perte de charge due à la rugosité des conduites (« perte de charge linéaire », par opposition aux pertes… …   Wikipédia en Français

• Moody chart — The Moody chart or Moody diagram is a graph in non dimensional form that relates the Darcy friction factor, Reynolds number and relative roughness for fully developed flow in a circular pipe. It can be used for working out pressure drop or flow… …   Wikipedia

• Dimensionless quantity — In dimensional analysis, a dimensionless quantity or quantity of dimension one is a quantity without an associated physical dimension. It is thus a pure number, and as such always has a dimension of 1.[1] Dimensionless quantities are widely used… …   Wikipedia

• LANG — GERMANY (see also List of Individuals) .. 1855 /D 29.8.1931 Bonn/D Hermann Lang graduated as a civil engineer. He was from the 1890s a Regierungs Baumeister in Hamburg and after World War I stayed as a Geheimrat in Köln Nippes. Lang was mainly… …   Hydraulicians in Europe 1800-2000

• Parting lineation — Parting lineation, from lower right to upper left; Kayenta Formation, Canyonlands National Park Parting lineation (also known as current lineation or primary current lineation) is a subtle sedimentary structure in which sand grains are aligned in …   Wikipedia

• Constructal — Théorie constructale Voir « constructal » sur le Wiktionnaire …   Wikipédia en Français

• Theorie constructale — Théorie constructale Voir « constructal » sur le Wiktionnaire …   Wikipédia en Français