boundary layer

boundary layer
noun Date: 1921 a region of retarded fluid near the surface of a body which moves through a fluid or past which a fluid moves

New Collegiate Dictionary. 2001.

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  • boundary layer — n. a very thin layer of fluid immediately next to a solid body, that flows more slowly than the rest of the fluid …   English World dictionary

  • Boundary Layer —  Boundary Layer  Граничный слой (поверхностный слой, пограничный слой, кристаллизационный дворик)   Неоднородный тонкий слой определенной толщины и объема, который располагается по обе стороны поверхности, разделяющей две соприкасающиеся объемные …   Толковый англо-русский словарь по нанотехнологии. - М.

  • 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

  • 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

  • boundary layer — The layer of fluid, close to the surface of a body placed in a moving stream, in which the impact pressure is reduced as a result of the viscosity of the fluid. A velocity gradient exists through the boundary layer, ranging from the velocity of… …   Aviation dictionary

  • boundary layer — paribio sluoksnis statusas T sritis radioelektronika atitikmenys: angl. boundary layer vok. Grenzschicht, f rus. пограничный слой, m pranc. couche interfaciale, f …   Radioelektronikos terminų žodynas

  • boundary layer — ribinis sluoksnis statusas T sritis fizika atitikmenys: angl. boundary layer vok. Grenzschicht, f; Randschicht, f rus. граничный слой, m pranc. couche limite, f …   Fizikos terminų žodynas

  • Boundary layer separation — is when the thin layer of viscous fluid leaves the surface of the body that it is flowing over. The viscosity of the fluid causes the boundary layer separation. [Wilcox, David C. Basic Fluid Mechanics. 3rd ed. Mill Valley: DCW Industries, Inc.,… …   Wikipedia

  • Boundary layer suction — is technique in which an air pump is used to extract the boundary layer at the wing or the inlet of an aircraft. Improving the air flow can reduce drag. Improvements in fuel efficiency have been estimated as high as 30%. The boundary layerThe air …   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

  • Boundary layer transition — The process of a laminar boundary layer becoming turbulent is known as boundary layer transition. This process is an extraordinarily complicated process which at present is not fully understood. However, as the result of many decades of intensive …   Wikipedia

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