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The Boeing Sonic Cruiser was a concept jet airliner with a delta wing – canard configuration. It was distinguished from conventional airliners by its delta wing and high- subsonic cruising speed of up to Mach 0.98. Boeing first proposed it in 2001, but airlines generally preferred lower operating costs over higher speed.
Deltasonic. Deltasonic is a British record label based in Liverpool, England. Previously joint ventured with Sony Music, it is now independent. It was formed by Alan Wills, the former drummer with Liverpool bands Shack and Top, and associated with the ' cosmic Scouse ' and 'scallydelica' music scenes. [1][2][3]
Underseal (often called undercoating in the U.S.) is a thick resilient coating applied to the underbody or chassis of an automobile to protect against impact damage from small stones, which would rapidly chip ordinary paint, allowing rusting to begin. Historically, a bitumen -based compound was used, but after approximately a decade, this ...
The SAI Quiet Supersonic Transport is a 12-passenger design from Lockheed Martin that is to cruise at Mach 1.6, and is to create a sonic boom only 1% as strong as that generated by Concorde. [50] The supersonic Tupolev Tu-444 or Gulfstream X-54 have also been proposed.
Anisotropy differs from the property called heterogeneity in that anisotropy is the variation in values with direction at a point while heterogeneity is the variation in values between two or more points. Seismic anisotropy can be defined as the dependence of seismic velocity on direction or upon angle. [1] General anisotropy is described by a ...
The first aircraft to fly supersonic in level flight was the American Bell X-1 experimental plane which was powered by a 6,000-pound (2,700 kg) thrust rocket powered by liquid oxygen and ethyl alcohol. Most supersonic aircraft have been military or experimental aircraft. Aviation research during World War II led to the creation of the first ...
Choked flow is a compressible flow effect. The parameter that becomes "choked" or "limited" is the fluid velocity. Choked flow is a fluid dynamic condition associated with the Venturi effect. When a flowing fluid at a given pressure and temperature passes through a constriction (such as the throat of a convergent-divergent nozzle or a valve in ...
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