So, at what freestream Mach number do the effects of compressibility become important? Since the differences between subsonic and supersonic turbulence grow in proportion to the square of the Mach ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...

US civil sector boldly goes where Concorde has gone before The US civilian aviation sector has achieved what Concorde managed ...