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sonROAD18: Swiss Implementation of the CNOSSOS-EU Road Traffic Noise Emission Model

2018; S. Hirzel Verlag; Volume: 104; Issue: 4 Linguagem: Inglês

10.3813/aaa.919209

1610-1928

Kurt Heutschi, Barbara Locher, Michael Gerber,

Infrastructure Maintenance and Monitoring

To ccount for recent developments in the fleet of ro d vehicles nd to extend the llow ble speed r nge, Switzerl nd h s upd ted its ro d tr fficnoise emission model under the cronym sonROAD18.The model description is b sed on the form lism of CNOSSOS, howevers pecified in third oct ve b nds.In extension to the decl r tion of n ver ge sound power r di ted by s ingle vehicle, st tistic l indic tors re provided s well to describe individu l v ri tions.Omnidirection l r di tion ch r cteristics is ssumed in the horizont l pl ne whereby the emission is defined s equiv lent sound power of point source th t induces correct sound event level.In vertic l direction, spectr l corrections re pplied to ccount for the reduced emission strength under l rge elev tion ngles.The ccur cyofthe model is specified for different scen rios with respect to the levelofdet il of v il ble input p r meters.