ABSTRACT
Railway noise is the collective name for the noise created by the operation of rail-bound vehicles. Commonly, railway noise indicates the noise from trains running on main railway tracks; this mode of transport is known as heavy rail. A range of other sources of noise is linked to heavy rail networks, such as trains running or resting stationary in depots and shunting
CONTENTS
Introduction ............................................................................................ 81 Rolling stock ....................................................................................... 82 The wheels .......................................................................................... 82 The track ............................................................................................ 83
Sources .................................................................................................... 84 Rolling noise and roughness .................................................................... 85 Track decay rate ...................................................................................... 88 Modelling rolling noise ........................................................................... 89
Rolling noise in the Dutch standard method ....................................... 90 Propagation in the Dutch method ....................................................... 94 Rolling noise in the Harmonoise/IMAGINE method ........................... 95
Rolling noise in the sonRail method ........................................................ 98 The CNOSSOS-EU method ..................................................................... 99 Allocating vehicle categories .................................................................. 100 Assessing track roughness ..................................................................... 102 Traction noise ....................................................................................... 103 Aerodynamic noise ................................................................................ 104 Curve squeal ......................................................................................... 104 Modelling sound propagation ............................................................... 105 Bridges and tunnels ............................................................................... 106 Conclusion and outlook ........................................................................ 108 References ............................................................................................. 108
yards, in railway stations, together with xed installations such as servicing equipment (washing, cleaning, fuelling stations), level crossing warning installations, and auxiliary power stations.
