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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)

Publication date:   Sep 20, 2022

General information

60.60 Standard published   May 4, 2022

CEN

CEN/TC 238 Test gases, test pressures, appliance categories and gas appliance types

European Norm

75.060   Natural gas

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Scope

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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PUBLISHED
EN ISO 20765-5:2022
60.60 Standard published
May 4, 2022