Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D4784-93(2003)

Standard for LNG Density Calculation Models

Standard for LNG Density Calculation Models D4784-93R03 ASTM|D4784-93R03|en-US Standard for LNG Density Calculation Models Standard new BOS Vol. 05.06 Committee D03
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Abstract

This specification covers LNG density calculation models for use in the calculation or prediction of the densities of saturated liquefied natural gas (LNG) mixtures at a specified temperature range given the pressure, temperature, and composition of the mixture. Composition restrictions for the LNGs are given for methane, nitrogen, n-butane, i-butane, and pentanes. It is assumed that hydrocarbons with carbon numbers of six or greater are not present in the LNG solution. The mathematical models presented here are the extended corresponding states model, hard sphere model, revised Klosek and McKinley model, and the cell model.

Scope

1.1 This standard covers LNG density calculation models for use in the calculation or prediction of the densities of saturated LNG mixtures from 90 to 120K to within 0.1% of true values given the pressure, temperature, and composition of the mixture.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 05.06
Developed by Subcommittee: D03.08
Pages: 3
DOI: 10.1520/D4784-93R03
ICS Code: 75.060