Supersonic aircraft and method of reducing sonic booms and jet noise
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United States of America Patent
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Oct 8, 2024
Grant Date -
Aug 25, 2022
app pub date -
Feb 22, 2022
filing date -
Feb 24, 2021
priority date (Note) -
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Abstract
Provided is a supersonic aircraft including: a shield that shields an engine exhaust flow discharged from a jet engine accommodated in an engine nacelle mounted on a fuselage of the aircraft to thereby reduce sonic booms due to the engine exhaust flow; and an exhaust nozzle that is provided in an exhaust port of the engine nacelle and that generates a sound source for high-frequency components at a position at which the shield is capable of shielding the high-frequency components of the engine exhaust flow, to thereby reduce jet noise having the high-frequency components, and promotes mixing of the engine exhaust flow that generates low-frequency noise components with an external air flow to thereby reduce jet noise having the low-frequency components.
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