SR EN ISO 20765-5:2022

Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)

This document specifies methods to calculate (dynamic) viscosity, Joule-Thomson coefficient, isentropic exponent, and speed of sound, excluding density, for use in the metering of natural gas flow.

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General information

Status : Valid
Approval date : 6/30/2022
Romanian version publish date : 6/30/2023
Number of pages : 22
ICS : 75.060 Natural gas
Technical Committee : 357 - Natural gas