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ASTM D3956-12

ASTM D3956-12

Standard Specification for Methane Thermophysical Property Tables

Fecha:
2018-05-03 /Historical
Superseeded by:
Abstract:

This specification presents the thermophysical property tables for methane, which are used in the calculation of the pressure-volume-temperature (PVT), thermodynamic, and transport properties of methane for process design and operations. Tables are provided for gaseous and liquid methane at specified temperature and pressure ranges. One table provides properties at the conditions of liquid-vapor equilibrium (saturation properties). The other table provides properties at selected T, p points for the equilibrium phase at those conditions. These tables apply directly only to pure gaseous methane, but are expected to be substantially useful in mathematical models and tables for the thermophysical properties of mixtures containing methane.

Scope:

1.1 The thermophysical property tables for methane are for use in the calculation of the pressure-volume-temperature (PVT), thermodynamic, and transport properties of methane for process design and operations. Three tables are provided for gaseous and liquid methane at temperatures between 90 K and 600K at pressures to 30 MPa. Two tables provide properties for the liquid and vapor phases at liquid-vapor equilibrium (saturation properties). The third table provides properties at selected T, p points for the equilibrium phase at those conditions. The tables were developed by the National Institute of Standards and Technology from a Standard Reference Database product REFPROP, version 9.0.

Keywords:
methane gas tables; natural gas; thermodynamic properties of methane; transport properties of methane
61,48
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