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이승일(S. I. Lee),기호철(H. C. Ki),김보성(B. S. Kim),송문석(B. S. Kim) 한국도시철도학회 2014 한국도시철도학회논문집 Vol.2 No.1
Driving on the track of a railway vehicle running noise and peripheral devices can be distinguished by the behavior of the noise, and speed 200 km/h below the railway vehicle"s main source of noise driving the friction that occurs between wheel and rail is the noise. In this study, the friction of railway vehicle in order to measure the noise sound using the acoustic camera to track the position of driving the generation of noise sources, and that the cause was investigated. As a result, an increase in speed up, were found to increase the friction noise. In addition, the noise source and the acoustic camera was able to measure its size.