subsonic flight

См. также в других словарях:

• Subsonic — may refer to:*Any speed lower than the speed of sound within a sound propagating medium is called subsonic. **Aircraft flight at airspeeds lower than the speed of sound in air is subsonic flight.In computing *Subsonic, an open source object… …   Wikipedia

• Flight — is the process by which an object achieves sustained movement either through the air (or movement beyond earth s atmosphere, in the case of spaceflight) by aerodynamically generating lift, propulsive thrust or aerostatically using… …   Wikipedia

• subsonic — adjective slower than the speed of sound: subsonic flight …   Longman dictionary of contemporary English

• flight, history of — ▪ aviation Introduction  development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …   Universalium

• Subsonic aircraft — A subsonic aircraft is a machine, such as an airplane, helicopter, glider or dirigible, that is capable of atmospheric flight and its speed is less than the speed of sound. A supersonic aircraft s overall speed may be less than the speed of sound …   Wikipedia

• subsonic — A flight in which the airflow over the aircraft structure is moving at a speed that is less than the local speed of sound …   Aviation dictionary

• High-speed flight — In high speed flight the assumptions of incompressibility of the air used in low speed aerodynamics no longer apply. In subsonic aerodynamics, the theory of lift is based upon the forces generated on a body and a moving gas (air) in which it is… …   Wikipedia

• Stall (flight) — For other uses, see stall. In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is… …   Wikipedia

• Aircraft flight mechanics — In aeronautics, aircraft flight mechanics is the study of the forces that act on an aircraft in flight, and the way the aircraft responds to those forces. [Clancy, L.J. Aerodynamics . Section 14.1] Aircraft flight mechanics are relevant to… …   Wikipedia

• jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …   Universalium

• military aircraft — Introduction       any type of aircraft that has been adapted for military use.       Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …   Universalium