- Methods used to control the boundary layer by sucking air through slots, making a series of small holes or porous surfaces, by blowing, or by using discrete jets. These methods can be employed to decrease drag or to increase lift on the whole or part of the surface.
Aviation dictionary. 2014.
Look at other dictionaries:
Boundary layer control — In aeronautical engineering, boundary layer control (BLC) refers to a number of methods of controlling the boundary layer of air on the main wing of an aircraft. In doing so, parasitic drag can be greatly reduced and performance likewise… … Wikipedia
blown-boundary-layer control — A system in which the blown boundary layer uses high velocity air blown through ducts or jets to energize the boundary layer on the upper surface of the wing at low speeds, especially during approach and landing to keep the boundary layer from… … Aviation dictionary
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
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
Transport layer — The OSI model 7 Application layer 6 Presentation layer 5 Session layer 4 Transport layer 3 Network layer 2 … Wikipedia
Double layer (plasma) — This article is about the structure in plasma physics. For other uses, see Double layer. Saturnian aurora whose reddish colour is characteristic of ionized hydrogen plasma. Powered by the Saturnian equivalent of (filamentary) Birkeland… … Wikipedia
High-Level Data Link Control — (HDLC) is a bit oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC were: *ISO 3309 mdash; Frame Structure *ISO 4335 mdash; Elements of Procedure … Wikipedia
BLC aircraft — Boundary Layer Control Aircraft Contributor: CASI … NASA Acronyms
August Raspet — Dr. August Gus Raspet (24 August 1913 27 April 1960) was one of the most influential contributors to the science of aeronautics, dealing primarily with efficiency in flight, aerodynamics and wing design structures. His contributions to the field… … Wikipedia