hypersonic speed

См. также в других словарях:

• High-hypersonic speed regime — Re Entry Speed Regime = Generally, NASA defines high hypersonic as any mach number from 10 to 25 and Re entry speeds as anything greater. Aicraft operating in this regime are the Space Shuttle and various space planes in future development.… …   Wikipedia

• hypersonic — adjective Etymology: International Scientific Vocabulary Date: 1946 1. of or relating to speed five or more times that of sound in air compare sonic 2. moving, capable of moving, or utilizing air currents that move at hypersonic speed …   New Collegiate Dictionary

• hypersonic — hy per*son ic, n. [Pref. hyper + sonic.] (Aeronautics) Pertaining to or moving at a speed greatly in excess of the speed of sound, usually meaning greater than mach 5. All speeds in excess of the speed of sound are {supersonic}, but to be… …   The Collaborative International Dictionary of English

• Hypersonic flight — is flight through the atmosphere at speeds above about Mach 5.5, a speed where disassociation of air begins to become significant and high heat loads exist.Hypersonic flight has been achieved by the Space Shuttle s orbiter, the Apollo command… …   Wikipedia

• hypersonic — [hī΄pərsän′ik] adj. designating, of, or traveling at a speed equal to about five times the speed of sound or greater: see SONIC …   English World dictionary

• hypersonic — ► ADJECTIVE 1) relating to speeds of more than five times the speed of sound (Mach 5). 2) relating to sound frequencies above about a thousand million hertz …   English terms dictionary

• 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

• Hypersonic wind tunnel — A hypersonic wind tunnel is designed to generate a hypersonic flow field in the working section. The speed of these tunnels vary from Mach 5 to 15. As with supersonic wind tunnels, these types of tunnels must run intermittently with very high… …   Wikipedia

• Hypersonic XLC — Infobox roller coaster name=Hypersonic XLC caption=The launch section location=Kings Dominion section=The Grove type=Steel type2=Launched status=Closed Dismantled opened=March 24, 2001 closed=October 28, 2007 manufacturer=S S Power designer=S S… …   Wikipedia

• hypersonic — Speeds equal to, or in excess of, five times the speed of sound. A hypersonic plane …   Aviation dictionary

• speed of sound — The speed at which sound travels in a given medium under specified conditions. The speed of sound at sea level in the International Standard Atmosphere is 1108 ft/second, 658 knots, 1215 km/hour. See also hypersonic; sonic; subsonic; supersonic;… …   Military dictionary