DIN EN ISO 20765-1:2018-12
Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005); German version EN ISO 20765-1:2018
| Fecha edición: |
2018-12-01
En Vigor
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| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This part of ISO 20765 specifies a method of calculation for the volumetric and caloric properties of natural gases, natural gases containing synthetic admixture and similar mixtures, at conditions where the mixture can exist only as a gas.The method is applicable to pipeline-quality gases within the ranges of pressure and temperature at which transmission and distribution operations normally take place. For volumetric properties (compression factor and density), the uncertainty of calculation is about ± 0,1 % (95 % confidence interval). For caloric properties (for example enthalpy, heat capacity, Joule-Thomson coefficient, speed of sound), the uncertainty of calculation is usually greater. |
| Keywords: | Definitions|Energetics|Gas distribution|Gas transportation|Gaseous phase|Helmholtz|Mathematical calculations|Measurement|Measuring uncertainty|Natural gas|Properties|Thermodynamic properties|Volumetric |
| ICS: | 75.060 - Gas natural |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN ISO 20765-1:2018 Idéntica ISO 20765-1:2005 |
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Reemplazo Normas |
Reemplaza a DIN EN ISO 20765-1:2016-11 |
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