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ISO 20233-2:2019

ISO 20233-2:2019

$19.50

Ships and marine technology — Model test method for propeller cavitation noise evaluation in ship design — Part 2: Noise source localization

Published By Publication Date Number of Pages
ISO 2019-08 18
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This document specifies a model test method for propeller cavitation noise evaluation in ship design, focusing mainly on the noise source localization.

The procedure comprises the model test set-up, noise measurements, data processing and source localization. The target noise source being propeller cavitation, this document describes the test set-up and conditions to reproduce the cavitation patterns of the ship, which is the same as in ISO 20233-1. The noise measurements are performed using a hydrophone array for the source localizations. Therefore, the instrumentation of the hydrophone array is also addressed, as well as a suitable array signal processing of the measured data. Finally, a method to visualize and to interpret the results is presented.

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ISO 20233-2:2019
$19.50