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Status : Active
Standard Type : Main
Document No : ISO 20155:2017
Document Year : 2017
Pages : 24
Edition : 1
Section Volume : Ship design (ISO/TC 8/SC 8.)
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.