Method of eliminating Mach waves from supersonic jets

Power plants – Reaction motor – Interrelated reaction motors

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60263, F02K 140, F02K 144

Patent

active

059161272

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.

REFERENCES:
patent: 2635420 (1953-04-01), Jonker
patent: 2672726 (1954-03-01), Wolf et al.
patent: 2798360 (1957-07-01), Hazen et al.
patent: 4050242 (1977-09-01), Dusa

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