Method of eliminating mach waves from supersonic jets

Details Method of eliminating mach waves from supersonic jets Method of eliminating mach waves from supersonic jets

2007-08-28

2007-08-28

Casaregola, Louis J. (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S263000

Reissue Patent

active

09895569

ABSTRACT:
A method and device for reducing the amount of noise generated by a supersonic jet engine is provided. The method creates an envelope of air around the supersonic jet exhaust. The temperature and velocity of this envelope is controlled to eliminate or reduce the formation of noise making Mach waves.

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patent: 2798360 (1957-07-01), Hazen et al.
patent: 3447325 (1969-06-01), Tiley
patent: 3797239 (1974-03-01), Hausmann et al.
patent: 4050242 (1977-09-01), Dusa

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