Noise reduction by screens |
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| Affiliation: | 1. IFSTTAR, AME, LAE, F-44344 Bouguenais, France;2. Université de Lyon, F-69361 Lyon, France;3. IFSTTAR, AME, LAE, F-69675 Bron, France;1. ENS Cachan, 61 Avenue du Président Wilson, 94235 Cachan Cedex, France;2. CEA/DAM/DIF, Bruyères-le-Châtel, 91297 Arpajon Cedex, France |
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| Abstract: | This paper presents experimental data on the diffraction of sound round a semi-infinite plane screen in a free field and describes a method for calculating the shielding effect of a real screen employed for the purpose of noise reduction, with the assistance of a single graph and without the aid of a computer. |
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