Communications - Scientific Letters of the University of Zilina 2017, 19(11):60-67 | DOI: 10.26552/com.C.2017.2A.60-67

Modelling and Experimental Analysis of Noise Transmission through Wall of a Railway Vehicle

Peter Zvolensky1, Juraj Grencik1, Lubomir Kasiar1, Peter Volna1, Riccardo Licciardello2
1 Department of Transport and Handling Machines, Faculty of Mechanical Engineering, University of Zilina, Slovakia
2 Universita degli Studi di Roma "La Sapienza", DICEA Dipartimento di Ingegneria Civile, Edile e Ambientale, Roma, Italy

The paper presents results of a grant research project dealing with acoustic properties of the walls and floor of a railway passenger coach investigated by means of the experimental analysis of noise produced during train runs and corresponding simulations. In the research, conditions and theoretical approaches for possible reconstructions of walls and floor of the railway passenger coach using new fibrous-microstructure acoustic materials were defined, with the aim of increasing the sound reduction index. The properties of the proposed materials were compared in terms of the acoustic energy transfer through the porous microstructure calculated by means of simulations. The final acoustic effects of different solutions for the incorporation of the materials in the floor structure and in the complete body of the rail passenger coach were evaluated. In this paper the effects on interior noise of the introduction of a new material for floor and wall are presented.

Keywords: railway vehicle; noise analysis; noise reduction

Published: April 30, 2017  Show citation

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Zvolensky, P., Grencik, J., Kasiar, L., Volna, P., & Licciardello, R. (2017). Modelling and Experimental Analysis of Noise Transmission through Wall of a Railway Vehicle. Communications - Scientific Letters of the University of Zilina, 19(2A), 60-67. doi: 10.26552/com.C.2017.2A.60-67
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