The effect of meteorology and terrain on noise propagation - Comparison of five modelling methodologies

Scott Penton, David Chadder, Seton Stiebert, Valerie Sifton

Abstract


Significant differences in predicted noise levels can result, depending on which noise propagation algorithm is used in the modelling. Noise modellers should be aware of the limitations of the models they use. Over the distances involved, no model could be expected to be completely accurate. Still, the differences between the ENM and CONCAWE results seem to be extreme.

Keywords


Acoustic intensity measurement; Acoustic receivers; Acoustic wave propagation; Acoustic wave velocity; Algorithms; Atmospheric temperature; Computer simulation; Electric power plants; Meteorology; Petrochemical plants; Thermal effects; Wind effects; Atmospheric attenuation; Noise propagation; Sound levels; Terrain

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