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wind tunnel working section area

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  • 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

  • Area rule — The Whitcomb area rule, also called the transonic area rule, is a design technique used to reduce an aircraft s drag at transonic and supersonic speeds, particularly between Mach 0.75 and 1.2. This is one of the most important operating speed… …   Wikipedia

  • Variable Density Tunnel — Infobox nrhp name = Variable Density Tunnel nrhp type = nhl caption = The tank of the Variable Density Tunnel arriving in 1922 lat degrees = 37 lat minutes = 4 lat seconds = 43 lat direction = N long degrees = 76 long minutes = 20 long seconds =… …   Wikipedia

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  • Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …   Wikipedia

  • Landrückentunnel — The Landrückentunnel is a railway tunnel on the Hanover Würzburg high speed rail line. With a length of 10 779 m it is the longest tunnel in Germany. Geography The tunnel is in east Hessen between the stations of Fulda and Würzburg. Between the… …   Wikipedia

  • Architecture and Civil Engineering — ▪ 2009 Introduction Architecture       For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)).        Beijing was the centre of the world of architecture… …   Universalium

  • Manhattan — New York Island redirects here. For the Pacific island, see Teraina. For other uses, see Manhattan (disambiguation). Manhattan   Borough of New York City   New York County …   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

  • National Aerospace Laboratory — Nationaal Lucht en Ruimtevaartlaboratorium (NLR) Type Non profit organisation Industry Aerospace Founded 1919 (RSL) …   Wikipedia

  • Boeing 787 Dreamliner — The first All Nippon Airways Boeing 787 (JA8 …   Wikipedia

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