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17/30317139 DC : 0

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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BS ISO 20155 - SHIPS AND MARINE TECHNOLOGY - TEST METHOD OF FLOW INDUCED IN-PIPE NOISE SOURCE CHARACTERISTICS FOR A SHIP-USED PUMP

Available format(s)

Hardcopy , PDF

Superseded date

30-09-2017

Superseded by

BS ISO 20155:2017

Language(s)

English

€23.37
Excluding VAT

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Two-port source model and test method of
   source characteristic of pump
5 Test rig
6 Instrumentation
7 Preparation of test
8 Test procedure
9 Data processing
10 Evaluation criteria for the test result
11 Test report
Annex A (informative) - Theoretical models of a two-port
        source and Transformation mutually between matrix Z, S, T
Annex B (informative) - Evaluation of quantities at ports of
        inlet and outlet
Annex C (informative) - Judgment of effectiveness for the test
Annex D (informative) - The formulas for determining passive
        characteristic of noise source
Annex E (informative) - The formulas for determining active
        characteristic of source
Annex F (informative) - Verification of test method taking a
        T-shaped sound excitor as a two-port acoustic source
Bibliography

BS ISO 20155.

Committee
SME/32
DocumentType
Draft
Pages
31
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

IEC 60565:2006 Underwater acoustics - Hydrophones - Calibration in the frequency range 0,01 Hz to 1 MHz
ISO 5598:2008 Fluid power systems and components Vocabulary
ISO 10767-1:2015 Hydraulic fluid power — Determination of pressure ripple levels generated in systems and components — Part 1: Method for determining source flow ripple and source impedance of pumps
ISO 10767-2:1999 Hydraulic fluid power Determination of pressure ripple levels generated in systems and components Part 2: Simplified method for pumps

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