Article | REF: BR2020 V1

Aeroacoustics in aeronautics

Author: Serge LEWY

Publication date: April 10, 2007, Review date: December 14, 2020

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4. Transport jets

4.1 Noise sources

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4.1.1 Estimating sound sources

Figure 11 , based on semi-empirical calculations, illustrates the distribution of noise sources under the three certification conditions. It shows just how difficult it is to reduce aircraft noise, since many different elements have to be taken into account. Indeed, if two sources produce the same noise level, the complete...

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