ISO 3095:2013
Acoustics - Railway applications - Measurement of noise emitted by railbound vehicles
ISO 3095:2013 specifies measurement methods and conditions to obtain reproducible and comparable exterior noise emission levels and spectra for all kinds of vehicles operating on rails or other types of fixed track, hereinafter conventionally called "unit".ISO 3095:2013 is applicable to type testing of units. It does not include all the instructions to characterize the noise emission of the other infrastructure related sources (bridges, crossings, switching, impact noise, curving noise, etc.).ISO 3095:2013 is not applicable to:- the noise emission of track maintenance units while working;- environmental impact assessment;- noise emmission assessment;- guided buses;- warning signal noise.The results may be used, for example:- to characterize the exterior noise emitted by units;- to compare the noise emission of various units on a particular track section;- to collect basic source data for units.
ISO 3095:2013 specifies measurement methods and conditions to obtain reproducible and comparable exterior noise emission levels and spectra for all kinds of vehicles operating on rails or other types of fixed track, hereinafter conventionally called "unit".
ISO 3095:2013 is applicable to type testing of units. It does not include all the instructions to characterize the noise emission of the other infrastructure related sources (bridges, crossings, switching, impact noise, curving noise, etc.).
ISO 3095:2013 is not applicable to:
- the noise emission of track maintenance units while working;
- environmental impact assessment;
- noise emmission assessment;
- guided buses;
- warning signal noise.
The results may be used, for example:
- to characterize the exterior noise emitted by units;
- to compare the noise emission of various units on a particular track section;
- to collect basic source data for units.
ISO 3095:2005 specifies the conditions for obtaining reproducible and comparable measurement results of levels and spectra of noise emitted by all kinds of vehicles operating on rails or other types of fixed track, except for track maintenance vehicles in operation. It is applicable to type testing and periodic monitoring testing. The results may be used, for example, to characterize the noise emitted by these trains, to compare the noise emission of various vehicles on a particular track section, and to collect basic source data for trains. The test procedures specified in ISO 3095:2005 are of engineering grade (grade 2, with a precision of 2 dB), that is the preferred one for noise declaration purposes, as defined in ISO 12001. The procedures specified for accelerating and decelerating tests are of survey grade.
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