16.4
Air borne noise
The airborne noise of the engine is measured as a sound power level according to ISO 9614-2.
The results are presented with A-weighing in octave bands, reference level 1 pW. Two values
are given; a minimum value and a 90% value. The minimum value is the lowest measured
noise level. The 90% value indicates that 90% of all measured noise levels are below this
value.
Fig 16-2
Typical sound power level for engine noise, W L26
Fig 16-3
Typical sound power level for engine noise, W V26
Wärtsilä 26 Product Guide - a9 - 7 September 2016
16-3
16. Vibration and Noise
Wärtsilä 26 Product Guide
Summary of Contents for WARTSILA 26
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