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Acoustic Signature and Impact of High-Speed Railway Vehicles in the Vicinity of Transport Routes

Author

Listed:
  • Krzysztof Polak

    (Railway Track and Operation Department, Railway Institute, 04-275 Warsaw, Poland)

  • Jarosław Korzeb

    (Faculty of Transport, Warsaw University of Technology, 00-662 Warsaw, Poland)

Abstract

In this paper, an attempt is undertaken to identify the acoustic signature of railway vehicles travelling at 200 km/h. In the framework of conducted experimental research, test fields were determined, measurement apparatus was selected and a methodology for making measurements was specified, including the assessment of noise emission on curved and straight track for electric multiple units of Alstom type ETR610-series ED250, the so-called Pendolino. The measurements were made with the use of an acoustic camera and a 4 × 2 microphone array, including four equipped measurement points and two microphones located at the level of the head of the rail and at a height of 4 m above this level. As a result of the conducted experimental research, the dominant noise sources were identified and amplitude–frequency characteristics for these sources were determined by dividing the spectrum into one-third octave bands in the range from 20 Hz to 20 kHz. The paper also considers issues related to the verification of selected models of noise assessment in terms of their most accurate reflection of the phenomenon of propagation in close surroundings. On the basis of conducted experimental studies, the behaviour of selected models describing the change of sound level with frequency division into one-third octave bands as a function of variable distance of observer from the railway line on which high-speed railway vehicles are operated was verified. In addition, the author’s propagation model is presented together with a database built within the scope of the study, containing the actual waveforms in the time and frequency domain.

Suggested Citation

  • Krzysztof Polak & Jarosław Korzeb, 2022. "Acoustic Signature and Impact of High-Speed Railway Vehicles in the Vicinity of Transport Routes," Energies, MDPI, vol. 15(9), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3244-:d:804938
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    References listed on IDEAS

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    1. Shi-jie Jiang & Song Yang & Dan Wu & Bang-Chun Wen, 2018. "Prediction And Validation For The Aerodynamic Noise Of High-Speed Train Power Car," Transport Problems, Silesian University of Technology, Faculty of Transport, vol. 13(2), pages 91-102, June.
    2. Krzysztof Polak & Jarosław Korzeb, 2021. "Identification of the Major Noise Energy Sources in Rail Vehicles Moving at a Speed of 200 km/h," Energies, MDPI, vol. 14(13), pages 1-19, July.
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    Cited by:

    1. Jan Kalivoda & Larysa Neduzha, 2022. "Running Dynamics of Rail Vehicles," Energies, MDPI, vol. 15(16), pages 1-3, August.

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