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wind-tunnel contraction

См. также в других словарях:

  • wind tunnel — A tubelike structure or passage, sometimes continuous, which together with its adjuncts (such as a fan), produces a high speed movement of air or other gas. Objects such as engines or aircraft, airfoils, rockets (or models of these objects), etc …   Aviation dictionary

  • Subsonic and transonic wind tunnel — ubsonic tunnelLow speed wind tunnels are used for operations at very low mach number, with speeds in the test section up to 400 km/h ( 100 m/s, M = 0.3). They are of open return type ( losses. Open wind tunnelThe working principle is based on the …   Wikipedia

  • Water tunnel (hydrodynamic) — A water tunnel is an experimental facility used for testing the hydrodynamic behavior of submerged bodies in flowing water. It is very similar to a recirculating wind tunnel but with water as the working fluid, and related phenomena are… …   Wikipedia

  • Curtain wall — For defensive curtain walls in medieval buildings, see Curtain wall (fortification). Glass curtain wall of the Bauhaus Dessau A curtain wall is an outer covering of a building in which the outer walls are non structural, but merely keep out the… …   Wikipedia

  • 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

  • Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

  • Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

  • Tupolev Tu-144 — Tu 144 Aeroflot Tu 144 at the Paris Air Show in 1975 …   Wikipedia

  • Machine — This article is about devices that perform tasks. For other uses, see Machine (disambiguation). A machine manages power to accomplish a task, examples include, a mechanical system, a computing system, an electronic system, and a molecular machine …   Wikipedia

  • Tsien Hsue-shen — Infobox Person name = Tsien Hsue shen caption = birth date = birth date and age |1911|12|11 birth place = Hangzhou, China death date = death place = occupation = Co founder, Jet Propulsion Laboratory (JPL) at the California Institute of… …   Wikipedia

  • History of the Swiss Air Force — The history of the Swiss Air Force began in 1914 with the establishment of an ad hoc force consisting of a handful of men in outdated and largely civilian aircraft. It was only in the 1930s that an effective air force was established at great… …   Wikipedia

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