ISO 20765-5:2022
ISO 20765-5:2022
Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponentstandard by International Organization for Standardization, 04/01/2022
standard by International Organization for Standardization, 04/01/2022
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.