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shear layer

См. также в других словарях:

  • Shear stress — SI symbol: τ SI unit: pascal Derivations from other quantities: τ = F / A …   Wikipedia

  • shear wave — ▪ physics       transverse wave that occurs in an elastic (elasticity) medium when it is subjected to periodic shear. Shear is the change of shape, without change of volume, of a layer of the substance, produced by a pair of equal forces acting… …   Universalium

  • shear — Literally the sliding of one layer across another, with deformation and fracturing in the direction parallel to the movement. In the present context, used to describe 1. the forces that cells are subjected to in a bioreactor or a mechanical… …   Glossary of Biotechnology

  • Boundary layer — For the anatomical structure, see Boundary layer of uterus. Boundary layer visualization, showing transition from laminar to turbulent condition In physics and fluid mechanics, a boundary layer is that layer of fluid in the immediate vicinity of… …   Wikipedia

  • Wind shear — Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind speed and direction over a relatively short distance in the atmosphere. Wind shear can be broken down into vertical and horizontal components, with… …   Wikipedia

  • Planetary boundary layer — Depiction of where the planetary boundary layer lies on a sunny day The planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL), is the lowest part of the atmosphere and its behavior is directly influenced by its… …   Wikipedia

  • Boundary-layer thickness — This page describes some parameters used to measure the properties of boundary layers. Consider a stationary body with a turbulent flow moving around it, like the semi infinite flat plate with air flowing over the top of the plate. At the solid… …   Wikipedia

  • Stokes boundary layer — in a viscous fluid due to the harmonic oscillation of a plane rigid plate. Velocity (blue line) and particle excursion (red dots) as a function of the distance to the wall. In fluid dynamics, the Stokes boundary layer, or oscillatory boundary… …   Wikipedia

  • Blasius boundary layer — A Blasius boundary layer, in physics and fluid mechanics, describes the steady two dimensional boundary layer that forms on a semi infinite plate which is held parallel to a constant unidirectional flow U.Within the boundary layer the usual… …   Wikipedia

  • boundary layer — Physics. the portion of a fluid flowing past a body that is in the immediate vicinity of the body and that has a reduced flow due to the forces of adhesion and viscosity. [1920 25] * * * In fluid mechanics, a thin layer of flowing gas or liquid… …   Universalium

  • Scherschicht — Der Begriff Scherschicht bezeichnet in der Strömungsmechanik den Übergangsbereich zwischen zwei parallelen Strömungen mit unterschiedlicher Geschwindigkeit. Zur genaueren Abgrenzung gegenüber der wandgebundenen Grenzschicht wird oft auch von… …   Deutsch Wikipedia

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