In aerodynamics, a hypersonic speed is one that exceeds five times the speed of sound, often stated as starting at speeds of Mach 5 and above. [1]

A hypersonic weapon is a weapon capable of travelling at hypersonic speed, defined as above Mach 5, or above 5 times the speed of sound. [1] Below Mach 1, weapons would be …

Hypersonic flight is flight through the atmosphere below altitudes of about 90 km (56 mi) at speeds greater than Mach 5, a speed where dissociation of air begins to become significant …

2023年9月27日 · Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of …

Hypersonic systems are a game-changer for national security. Creating hypersonic technology presents several tough, complex engineering challenges. Hypersonic systems will travel at …

2022年4月15日 · Russia’s use of hypersonic missiles in Ukraine has put the weapons in the news. Next-generation versions under development could dramatically alter national and global …

2024年1月5日 · NASA made aviation history with the first and second successful flights of a scramjet-powered airplane at hypersonic speeds – speeds greater than Mach 5 or five times …

2024年12月12日 · The Hypersonic Technology (HT) Project organizes its work into distinct research topic areas. HT explores four key topics in hypersonics: system-level design, …

2021年5月7日 · Hypersonic aerodynamics is a special branch of the study of aeronautics. The chief characteristic of hypersonic aerodynamics is that the temperature of the flow around the …

2023年7月20日 · VAB designs and studies advanced vehicle concepts employing hypersonic airbreathing propulsion, with application to high speed, long range endo-atmospheric flight as …