Nasa Jet Engine Noise Reduction Technology

23 Jul 2023

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NASA tests produce keys to reduced aircraft noise – QNS.com

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Objectives 1950 reduction period figure over bypass ratio

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Aircraft engine exhaust nozzle system for jet noise reduction

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NASA Technologies Significantly Reduce Aircraft Noise

Reduced tests qns

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Noise control/supressionFigure 1.1: epndb reduction over the period 1950-2020 and enabling Jet noise mixing regions.Gas turbine noise reduction.