boundary layer transition

boundary layer transition
турбулизация пограничного слоя

Англо-русский словарь по авиации. 2013.

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  • 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 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 — /ˈbaʊndri leɪə/ (say bowndree layuh) noun Aeronautics, Physics, etc. the thin layer of fluid next to the surface of a moving body in which there is a transition between the velocity of the body on one side, and the velocity of the fluid on the… …  

  • 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 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 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

  • 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

  • Core–mantle boundary — See also: Post perovskite Schematic view of the interior of Earth. 1. continental crust 2. oceanic crust 3. upper mantle 4. lower mantle 5. outer core 6. inner core A: Mohorovičić discontinuity B: core–mantle boundary (Gutenberg discontinuity) C …   Wikipedia

  • Ekman layer — In standard boundary layer theory, the effects of viscous diffusion are usually balanced by convective inertia. When a fluid rotates, however, the dominant balance may instead be struck between diffusion effects and the Coriolis force. Under… …   Wikipedia


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