MATEC Web Conf.
Volume 157, 2018Machine Modelling and Simulations 2017 (MMS 2017)
|Number of page(s)||10|
|Section||Modelling and simulation, structural optimization|
|Published online||14 March 2018|
Simulation of sound transmission through the porous material, determining the parameters of acoustic absorption and sound reduction
Department of Transport and Handling Machines, Faculty of Mechanical Engineering, University of Zilina, Slovak Republic, Univerzitná 8215/1 010 26 Zilina, Slovak Republic
* Corresponding author: email@example.com
Currently, the quality of structural design of a railway coach is evaluated by so called acoustic comfort, which is characterized by achieved levels of internal noise. Therefore, acoustic parameters of car body are being developed purposely. The paper presents the results of the computer simulation of noise transmission through the wagon walls and the use of noise tests from the train running. The acoustic properties of the original and new materials in the care body are compared.
Key words: simulation of noise transmission / noise of railway vehicles
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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