ISO 4679:2023

Ships and marine technology — Hydraulic performance tests for waterjet propulsion system

Publication date:   Jun 19, 2023

General information

60.60 Standard published   Jun 19, 2023

ISO

ISO/TC 8/SC 8 Ship design

International Standard

47.020.20   Marine engines and propulsion systems

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Scope

This document specifies the measurement and acceptance criteria and the test report of hydraulic performance tests for waterjet propulsion system of Class A and Class B.
The test methods for the waterjet propulsion pump with and without the inlet duct are both specified. This document is applicable to the hydraulic performance test of water jet propulsion under the specified test conditions. This document specifies the precision grade of Class A for hydraulic model tests of water jet propulsion and Class B for acceptance tests of small and middle-sized or intermediate test models.
In addition, this document specifies the test conditions of Class A and Class B, and recommendations and requirements for test equipment to ensure that the test can be carried out under the conditions of corresponding accuracy.
This document does not include miscellaneous parts of waterjet unit, such as steering and reversing gear, hydraulic system and control system.

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PUBLISHED
ISO 4679:2023
60.60 Standard published
Jun 19, 2023