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low-hypersonic Mach number

См. также в других словарях:

  • Mach number — (mathrm{Ma} or M) (generally pronEng|ˈmɑːk, sometimes IPA|/ˈmɑːx/ or IPA|/ˈmæk/) is the speed of an object moving through air, or any fluid substance, divided by the speed of sound as it is in that substance. It is commonly used to represent an… …   Wikipedia

  • Hypersonic — In aerodynamics, hypersonic speeds are speeds that are highly supersonic. Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 (5 times the speed of sound) and above. The hypersonic regime is a subset of the… …   Wikipedia

  • Aerodynamics — is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is closely related to fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is… …   Wikipedia

  • Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …   Wikipedia

  • Scramjet programs — This page describes a number of research and testing programs for the development of supersonic combustion ramjets (scramjets) Many of these programs have their own pages, but an attempt is made here to provide a short overview of a large number… …   Wikipedia

  • Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …   Wikipedia

  • Waverider — A waverider is a hypersonic aircraft design that improves its supersonic lift to drag ratio by producing a lifting surface built out of the shock waves being generated by its own flight, a technique known as compression lift. To date the only… …   Wikipedia

  • Supersonic transport — The Concorde supersonic transport had an ogival delta wing, a slender fuselage and four underslung Rolls Royce/Snecma Olympus 593 engines. A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds… …   Wikipedia

  • Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …   Wikipedia

  • airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …   Universalium

  • aerospace industry — Introduction       assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …   Universalium

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