Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. Part 1, General principles and requirements = Mesure de débit des fluides au moyen d'appareils dèprimogènes insérés dans des conduites en charge de section circulaire. Partie 1, Principes généraux et exigences générales.
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| Other title: | Mesure de débit des fluides au moyen d'appareils dèprimogènes insérés dans des conduites en charge de section circulaire. Partie 1, Principes généraux et exigences générales. |
| Format: | Book |
| Language: | English |
| Published: |
Geneva :
ISO,
2003.
|
| Edition: | Second edition. |
| Series: | International standard ;
ISO 5167-1. |
| Subjects: |
Table of Contents:
- Scope
- Normative references
- Terms and definitions
- Symbols and subscripts
- Principle of the method of measurement and computation. Principle of the method of measurement
- Method of determination of the diameter ratio of the selected standard primary device
- Computation of flowrate
- Determination of density, pressure and temperature
- General requirements for the measurements. Primary device
- Nature of the fluid
- Flow conditions
- Installation requirements. General
- Minimum upstream and downstream straight lengths
- General requirement for flow conditions at the primary device
- Flow conditioners (see also Annex C)
- Uncertainties on the measurement of flowrate. Definition of uncertainty
- Practical computation of uncertainty
- Annex A (informative): Iterative computations
- Annex B (informative): Examples of values of the pipe wall uniform equivalent roughness, k
- Annex C (informative): Flow conditioners and flow straighteners.