ISO-20155 › Ships and marine technology - Test method of flow induced in-pipe noise source characteristics for a ship-used pump

ISO-20155 - 1ST EDITION - CURRENT


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ISO 20155:2017 specifies a test method for determining flow induced in-pipe noise source characteristics of a ship-used pump as a two-port sound source in laboratory conditions by measuring acoustic pressures in the pipe reaches of inlet and outlet.

The test method is applicable to all types of centrifugal pumps with a diameter over 50 mm operating under steady conditions.

The suitable frequency range of the test method is about 10 Hz to 1 000 Hz, and the upper frequency is dependent on the inner diameter of the pipe, in which the plane acoustic wave propagates.

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Document Number

ISO 20155:2017

Revision Level

1ST EDITION

Status

Current

Publication Date

Aug. 1, 2017

Committee Number

ISO/TC 8/SC 8