Indicators
Railway transportation acoustics
Article REF: BR2040 V1
Indicators
Railway transportation acoustics

Authors : Louis-Marie CLÉON, Franck POISSON

Publication date: October 10, 2010, Review date: December 1, 2017 | Lire en français

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2. Indicators

2.1 Environmental noise

Whether in the environment or on board trains, it is necessary to have noise measurement indicators shared by the rail community in order to be able to compare the noise of different types of equipment and set limit values.

Acoustic pressure in air, i.e. the instantaneous rapid pressure fluctuation around mean atmospheric pressure, is expressed in pascals, where :

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