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4. Transport jets
4.1 Noise sources
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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Noise and vibration
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Transport jets
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The Ultimate Scientific and Technical Reference