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Vibroacoustic properties and interactions of an urban tram

Czechyra B.

Vibrations in Physical Systems

2012

Vol. 25

117--122

Complex acoustic climate of urban space is an integral part development of civilization. It is well known also that the ambient noise level significantly affect the quality of life in the city. There is also a factor negatively affecting your body reducing the comfort of living and productivity. At the same time some of the annoying sound sources, we can not eliminate. Because the vibration and noise generated by trams are a regular part of urban vibroacoustic climate their impact on the environment must be recognized and minimized. In this article author defines the concept of the vehicle vibroacoustic activity and submit use the pass-by test in description of vehicle features under normal operating conditions. This paper presents the assumptions and methodology of the proposed experimental research. A preliminary study on the possibility of a comprehensive description of vibroacoustic properties of various types of trams in the study in situ condition is presented. Author also presents selected results of research carried out on trams operated in Poznan (Poland).