ISO 20155:2017 Preview

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

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
  • Edition : 1
    Number of pages : 24
  • :
    ISO/TC 8/SC 8
    Ship design
  • 47.020.01
    General standards related to shipbuilding and marine structures

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