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BS ISO 4679:2023

BS ISO 4679:2023

$142.49

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

Published By Publication Date Number of Pages
BSI 2023 26
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
9 4 Measurement and acceptance criteria
4.1 General
10 4.2 Measurement range
4.3 Stable operating conditions of measuring systems
11 4.4 ​Evaluation of flow and head
4.5 ​Evaluation of efficiency or power
12 5 Measurement uncertainty
5.1 General
5.2 Statistical evaluation of overall measurement uncertainty
5.2.1 ​Evaluation of the random uncertainty
5.2.2 ​Evaluation of the systematic uncertainty
13 5.2.3 Overall uncertainty
5.2.4 Determination of overall uncertainty of efficiency
14 5.3 Conversion
5.3.1 Conversion to the guarantee conditions
5.3.2 Translation of the test results
15 6 Test method
6.1 Test condition
6.1.1 Test location
6.1.2 Test personnel
6.1.3 Test date
6.1.4 Test outline
6.1.5 Environment and water quality
16 6.2 Test device
6.3 Test items
6.3.1 General
6.3.2 Performance test
17 6.3.3 NPSH test
7 Test report
18 Annex A (informative) Test report
21 Annex B (informative) Working section of the test device
24 Bibliography

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BS ISO 4679:2023
$142.49