ISO 20155:2017

Published (Edition 1, 2017)

This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 20155:2017

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Abstract

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.

General information

Status
: Published

Publication date
: 2017-08

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 24
Technical Committee :
ISO/TC 8/SC 8

ICS :
47.020.01
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