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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS ISO 20765-2 - NATURAL GAS - CALCULATION OF THERMODYNAMIC PROPERTIES - PART 2: SINGLE-PHASE PROPERTIES (GAS, LIQUID, AND DENSE FLUID) FOR EXTENDED RANGES OF APPLICATION

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-01-2015

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Thermodynamic basis of the method
    5 Method of calculation
    6 Ranges of application
    7 Uncertainty of the equation of state
    8 Reporting of results
    Annex A (normative) - Symbols and units
    Annex B (normative) - The reduced Helmholtz free energy
            of the ideal gas
    Annex C (normative) - Values of critical parameters and
            molar masses of the pure components
    Annex D (normative) - The residual part of the reduced
            Helmholtz free energy
    Annex E (normative) - The reducing functions for density
            and temperature
    Annex F (informative) - Assignment of trace components
    Annex G (informative) - Examples
    Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee PTI/15
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    ISO 14532:2014 Natural gas — Vocabulary
    ISO 14912:2003 Gas analysis — Conversion of gas mixture composition data
    ISO 7504:2015 Gas analysis Vocabulary
    ISO 80000-5:2007 Quantities and units Part 5: Thermodynamics
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    ISO 20765-1:2005 Natural gas Calculation of thermodynamic properties Part 1: Gas phase properties for transmission and distribution applications
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