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  • BSI
    BS ISO 362-1:2015 Measurement of noise emitted by accelerating road vehicles. Engineering method - M and N categories
    Edition: 2017
    $569.57
    / user per year

Description of BS ISO 362-1:2015 2017

This part of ISO 362 specifies an engineering method for measuring the noise emitted by road vehicles of categories M and N under typical urban traffic conditions. It excludes vehicles of category L1 and L2, which are covered by ISO 9645 , and vehicles of category L3, L4, and L5, which are covered by ISO 362‑2 .

The specifications are intended to reproduce the level of noise generated by the principal noise sources during normal driving in urban traffic (see Annex A).

The method is designed to meet the requirements of simplicity as far as they are consistent with reproducibility of results under the operating conditions of the vehicle.

The test method requires an acoustical environment that is obtained only in an extensive open space. Such conditions are usually provided for

  • type approval measurements of a vehicle,

  • measurements at the manufacturing stage, and

  • measurements at official testing stations.

NOTE 1

The results obtained by this method give an objective measure of the noise emitted under the specified conditions of test. It is necessary to consider the fact that the subjective appraisal of the noise annoyance of different classes of motor vehicles is not simply related to the indications of a sound measurement system. As annoyance is strongly related to personal human perception, physiological human conditions, culture, and environmental conditions, there is a large variation and it is, therefore, not useful as a parameter to describe a specific vehicle condition.

NOTE 2

Spot checks of vehicles chosen at random are rarely made in an ideal acoustical environment. If measurements are carried out on the road in an acoustical environment that does not fulfil the requirements stated in this part of ISO 362 , the results obtained can deviate appreciably from the results obtained using the specified conditions.



Standard NumberBS ISO 362-1:2015
TitleMeasurement of noise emitted by accelerating road vehicles. Engineering method - M and N categories
StatusRevision Underway
Publication Date2017-04-30
ReplacesBS ISO 362-1:2007
CorrectsBS ISO 362-1:2015
DescriptorsGear boxes, Noise (environmental), Road vehicles, Acoustic measurement, Motor vehicles, Acceleration, Sound-level meters, Calibration, Sound intensity, Acoustic testing, Testing conditions, Test equipment, Classification systems
ICS43.020 Road vehicles in general, 17.140.30 Noise emitted by means of transport
CommitteeEH/1/2
ISBN978 0 580 97684 1
PublisherBSI
Pages78

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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