16.5
Air borne noise
The airborne noise from the engine is measured as a sound power level according to ISO
3746. The results are presented with A-weighting in octave bands, reference level 1 pW. The
values are applicable with an intake air filter on the turbocharger and 1m from the engine. 90%
of all measured noise levels are below the values in the graphs. The values presented in the
graphs below are typical values, cylinder specific graphs are included in the Installation Planning
Instructions (IPI) delivered for all contracted projects.
Fig 16-3
Typical sound power levels of engine noise, W L46F
Fig 16-4
Typical sound power levels of engine noise, W V46F
Wärtsilä 46F Product Guide - a19 - 1 December 2017
16-5
16. Vibration and Noise
Wärtsilä 46F Product Guide
Summary of Contents for 12V46F
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