coefficient of turbulent friction

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• Friction — For other uses, see Friction (disambiguation). Classical mechanics …   Wikipedia

• Drag coefficient — In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. It is used in the drag equation,… …   Wikipedia

• austausch coefficient — ▪ physics also called  exchange coefficient,  eddy coefficient , or  eddy diffusivity        in fluid mechanics, particularly in its applications to meteorology and oceanography, the proportionality between the rate of transport of a component of …   Universalium

• 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

• 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

• 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

• 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

• fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …   Universalium

• Drag (physics) — Shape and flow Form drag Skin friction 0% 100% 10% 90% …   Wikipedia

• Effort sur une voile — Exemple d effort du vent sur différents types de voile de voiliers classiques lors d une régate à Cannes en 2006. Le principe d une voile est de récupérer l énergie du vent et de la transmettre au bateau. L effet propulsif est réparti sur toute… …   Wikipédia en Français