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originally posted by: nelloh62
a reply to: Barnalby
Nasa released a very good pdf called Sonic Boom, Six Decades of Research. It is very informative, but 539 pages long.
Quite a good read if you have some spare time
QueSST is designed to fly at Mach 1.4, 55,000 feet above the ground. The aircraft is shaped to separate the shocks and expansions associated with supersonic flight to reduce the volume of the shaped signature. QueSST’s “heartbeat” will be dramatically quieter than the traditional “N-wave” sonic boom associated with the current supersonic aircraft in flight today. The Skunk Works team has been advancing this technology for the last 20 years as part of multiple efforts.