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Table 4 Comparison of numerical simulation and wind tunnel test

From: Step-by-Step Numerical Prediction of Aerodynamic Noise Generated by High Speed Trains

Model state Wind speed(km/h) Experiment(dBA) CFD(dBA) Error(dBA)
Without pantograph 160 72.70 71.48 −1.22
200 79.09 78.03 −1.26
250 85.95 84.63 −1.32