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ISO 20233-2:2019

Ships and marine technology - Model test method for propeller cavitation noise evaluation in ship design - Part 2: Noise source localization
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ISO 20233-2:2019

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

PUBLISH DATE 2019
ISO 20233-2:2019

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.

SDO ISO: International Organization for Standardization
Document Number ISO 20233
Publication Date Aug. 1, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 8/SC 8
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