DOMINANT NOISE SOURCES IDENTIFICATION AS COST-EFFECTIVE WAY IN TOTAL SOUND POWER REDUCTION

Slobodan Jankovic, Miodrag Ivkovic

Abstract

The paper deals with sound intensity measurement technique and its application in dominant sound sources identification as well as the reduction of total radiated sound power from a complex technical system.<br />Based on more restrictive regulation and other demands, mainly related to the environment protection, noise attenuation of technical systems has become common task for. Often the only solution is only system redesign. To enable cost effective approach to this demand the paper exposes a rational methodoloque. The SI mapping is used as framework for sound power integration across the independent subsystems, ranking their contribution to the total system noise level and finally, optimizing redesigning process based on expenses and expected noise attenuation.<br />Paper presents results achieved through the diesel engine noise attenuation.

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IMEKO-TC4-2004-042.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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