Browse Publications Technical Papers 2010-36-0076

Sound Power Comparison Based on Sound Pressure and Sound Intensity 2010-36-0076

Nowadays the mains techniques to obtain Sound Power of machines and equipments are: - Sound Power obtained by Sound Pressure and - Sound Power obtained by Sound Intensity.
This paper intends to compare results and show some advantages and disadvantages found during the tests.
This discussion will be based on heavy-duty diesel engines and the data show different results (Δ=2dBA) comparing ISO 3744 and ISO 9614, but allow us to have a correlation factor, at least for this engine type.


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