boundary transition

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• 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 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

• 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 ecosystem — ▪ biology Introduction       complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands.       Boundary… …   Universalium

• Boundary Waters Canoe Area Wilderness — Infobox protected area | name = Boundary Waters Canoe Area Wilderness iucn category = III iucn category = Ib caption = locator x = 162 locator y = 25 location = Minnesota, USA nearest city = Ely, MN lat degrees = 47 lat minutes = 49 lat seconds …   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

• Transition point — In the field of fluid dynamics the point at which the boundary layer changes from laminar to turbulent is called the transition point. Where the boundary layer becomes turbulent, drag due to skin friction is relatively high. As speed increases,… …   Wikipedia

• Transition radiation — Optical Transition radiation is produced by relativistic charged particles when they cross the interface of two media of different dielectric constants. The emitted radiation is the homogeneous difference between the two inhomogeneous solutions… …   Wikipedia

• transition point — i. The point on an airfoil where the boundary layer changes from laminar to turbulent. As the speed increases, the transition point tends to move forward. As the angle of attack increases, the transition point also tends to move forward. ii. A… …   Aviation dictionary

• boundary — sandūra statusas T sritis automatika atitikmenys: angl. boundary; joint; junction; transition vok. Übergang, m; Stoßstelle, f rus. переход, m; сочленение, n; стык, m pranc. joint, m; jonction, f; raccord, m …   Automatikos terminų žodynas

• boundary — sandūra statusas T sritis fizika atitikmenys: angl. boundary; junction; transition vok. Übergang, m; Übergangsschicht, f; Verbindung, f rus. переход, m pranc. jonction, f; raccord, m …   Fizikos terminų žodynas