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As the study of hypersonic flows improved, researchers were able to study waverider designs that used different shockwave shapes, the simplest being the conical shock generated by a cone. In these cases, a waverider is designed to keep the rounded shockwave attached to its wings, not a flat sheet, which increases the volume of air trapped under ...
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It then separated cleanly from the booster and ignited its own engine. The test aircraft then accelerated to Mach 5.1 (3,400 mph; 5,400 km/h) and flew for 210 seconds until running out of fuel and plunging into the Pacific Ocean off Point Mugu for over six minutes of total flight time; this test was the longest air-breathing hypersonic flight ...
Hypersonic cruise missiles, which are powered by scramjets, are limited to below 30 km (19 mi); [c] hypersonic glide vehicles can travel higher. Hypersonic vehicles are much slower than ballistic (i.e. sub-orbital or fractional orbital) missiles, because they travel in the atmosphere, and ballistic missiles travel in the vacuum above the ...
Apple released Safari 5.1 for both Windows and Mac on July 20, 2011, for Mac OS X 10.7 Lion; it was faster than Safari 5.0, and included the new Reading List feature. The company simultaneously announced Safari 5.0.6 in late June 2010 for Mac OS X 10.5 Leopard, though the new functions were excluded from Leopard users.
The hypersonic engine for Quarterhorse joins similar initiatives to unlock the era of hypersonic flight, including the Air Force’s Project Mayhem, which hopes to deliver a hypersonic bomber in ...
A shock-induced combustion ramjet engine (abbreviated as shcramjet; also called oblique detonation wave engine; also called standing oblique detonation ramjet (sodramjet); [1] or simply referred to as shock-ramjet engine) is a concept of air-breathing ramjet engine, proposed to be used for hypersonic and/or single-stage-to-orbit propulsion applications.
After shutting the inlet cone off at Mach 5.14, and at an altitude of 28.5 km (17.7 mi), [3] the system continues as a closed-cycle high-performance rocket engine burning liquid oxygen and liquid hydrogen from on-board fuel tanks, potentially allowing a hybrid spaceplane concept like Skylon to reach orbital velocity after leaving the atmosphere ...