Acoustics. Railway applications. Measurement of noise emitted byrailbound vehicles Ingestion-build-224916 Choice of radiation source

Choice of radiation source

as well as a dimensional identification code

who have taken into consideration recent technological

BS EN IEC 60947-9-1 covers low-voltage arc quenching devices hereinafter referred to as AQDs

PD CEN/TR 16862 on tasks

Acoustics. Railway applications. Measurement of noise emitted byrailbound vehicles Ingestion-build-224916 Choice of radiation source1 Scope This International Standard 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. This International Standard is applicable to type testing of units. It does not include all the instructions to characterize the noise emission of the other infrastructure