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ČSN EN ISO 20765-1 (385511)
Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications
Translate name
STANDARD published on 1.4.2019
The information about the standard:
Designation standards: ČSN EN ISO 20765-1
Classification mark: 385511
Catalog number: 506642
Publication date standards: 1.4.2019
SKU: NS-945020
The number of pages: 56
Approximate weight : 168 g (0.37 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 20765-1 (385511):
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, p, and temperature, T, 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
Preview of the standard ČSN EN ISO 20765-1 (385511)
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