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- W2040423080 abstract "Abstract An analytical model has been developed that simulates the generation and propagation of wheel/rail noise. In the model, wheel/rail vibrations are induced by running surface roughness. The vibration responses are determined from considering contact stiffness effects and wheel/rail impedance interactions. Near field sound power levels are then calculated by combining the responses with radiation efficiencies, space-averaging the velocity squared on the wheel, and accounting for the decay of vibration along the rail. Finally, the noise levels predicted for the wayside are obtained from an analysis of the propagation that includes the effect of finite ground impedance. Good agreement exists between the analytical model and a series of validation measurements taken at DOT's Transportation Test Center in Pueblo, Colorado. A sensitivity analysis conducted for the parameters of a typical baseline system achieved significant changes in rolling noise only for reductions in wheel/rail contact stiffness, increases in wheel/rail contact area, and decreases in wheel/rail roughness through wheel truing and rail grinding." @default.
- W2040423080 created "2016-06-24" @default.
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- W2040423080 date "1983-03-01" @default.
- W2040423080 modified "2023-09-25" @default.
- W2040423080 title "The effects on noise of changes in wheel/rail system parameters" @default.
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- W2040423080 doi "https://doi.org/10.1016/0022-460x(83)90556-4" @default.
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