Noise source diagnosis 1 - compressed air

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There is a diagnostic procedure that must be followed in order to determine best practice for any noise control project. The first step is to list and then rank all the noise sources that contribute to the overall noise level, and then assess the noise control options for the dominant source. In this power press example, the process showed that a pneumatic nozzle was the primary culprit: coupled with tool modifications, an efficient replacement nozzle not only reduced air consumption but also reduced the overall noise level by 9dB(A). Noise control case studies at http://www.invc.co.uk/noise/noise-control/occupational-noise-control/
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