GSO ISO 8528-10:2013
Gulf Standard
Current Edition
·
Approved on
01 April 2013
·
Reciprocating internal combustion engine driven alternating current generating sets -- Part 10: Measurement of airborne noise by the enveloping surface method
GSO ISO 8528-10:2013 Files
English
17 Pages
Current Edition
Reference Language
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GSO ISO 8528-10:2013 Scope
This part of ISO 8528 defines measurement methods for the determination of airborne noise emitted by
reciprocating internal combustion engine driven generating sets in such a way that the total of relevant noise
emissions, e.g. exhaust and cooling system noise, together with all other sources of engine noise, are evaluated on
a similar basis to yield comparable results. However, when the exhaust and cooling systems are ducted to a remote
site their noise contribution is not to be included in this part of ISO 8528.
The essential noise emission characteristic value is the sound power level.
The results of measurement taken in accordance with this part of ISO 8528 are classified as either accuracy grade
2 or grade 3 depending on which acoustic measurement conditions are complied with. Accuracy grade 2 (i. e.,
engineering method in accordance with ISO 3744) requires the measuring area to be a substantially acoustic-free
field over a reflecting plane (with an environmental correction K2A < 2 dB) and with negligible background noise
level (background noise correction K1A < 1,3 dB). Accuracy grade 3 (i. e. survey method in accordance with
ISO 3746) requires the environmental correction K2A to be less or equal than 7 dB, and the background noise
correction K1A to be less or equal than 3 dB.
For the operation of a generating set under steady conditions this part of ISO 8528 allows for the calculation of the
A-weighted sound power level as well as appropriate octave or one third octave sound power level for the
appropriate accuracy grade.
This part of ISO 8528 applies to RIC engine driven AC generating sets for fixed and mobile applications with rigid or
flexible mountings. It is applicable for land and marine use, excluding generating sets used on aircraft or to propel
land vehicles and locomotives.
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