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  • DIN EN ISO 15112 E : 2014

    Current The latest, up-to-date edition.

    NATURAL GAS - ENERGY DETERMINATION (ISO 15112:2011)

    Available format(s): 

    Language(s): 

    Published date:  22-09-2014

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    National foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and units
    5 General principles
    6 Gas measurement
    7 Energy determination
    8 Strategy and procedures
    9 Assignment methods
    10 Calculation of energy quantities
    11 Accuracy on calculated energy
    12 Quality control and quality assurance
    Annex A (informative) - Main instruments and
            energy-determination techniques
    Annex B (informative) - Different possible patterns
            in the change of the calorific value
    Annex C (informative) - Volume conversion
            and volume-to-mass conversion
    Annex D (informative) - Incremental energy
            determination
    Annex E (informative) - Practical examples for
            volume conversion and energy quantity
            calculation
    Annex F (informative) - Practical examples for
            averaging the calorific value due to
            different delivery situations
    Annex G (informative) - Ways of determining
            substitute values
    Annex H (informative) - Plausibility check graphical
            example
    Annex I (informative) - Uncorrected data, bias
            correction and final result graphical example
    Annex J (informative) - Single-reservoir calorific
            value determination
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives the means for energy determination of natural gas by measurement or by calculation, and describes the related techniques and measures that are necessary to take.

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

    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 10715:1997 Natural gas — Sampling guidelines
    EN 12405-1:2005+A2:2010 Gas meters - Conversion devices - Part 1: Volume conversion
    ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
    ISO 15971:2008 Natural gas Measurement of properties Calorific value and Wobbe index
    ISO 5168:2005 Measurement of fluid flow — Procedures for the evaluation of uncertainties
    ISO 10723:2012 Natural gas Performance evaluation for analytical systems
    ISO 9300:2005 Measurement of gas flow by means of critical flow Venturi nozzles
    ISO 16664:2017 Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
    ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
    ISO 5725-4:1994 Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
    ISO 13686:2013 Natural gas Quality designation
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    ISO 15970:2008 Natural gas Measurement of properties Volumetric properties: density, pressure, temperature and compression factor
    ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
    ISO 14532:2014 Natural gas — Vocabulary
    API MPM CH14.2 : 2ED 1994(R2012) MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 14.2: COMPRESSIBILITY FACTORS OF NATURAL GAS AND OTHER RELATED HYDROCARBON GASES
    ISO 13443:1996 Natural gas Standard reference conditions
    ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
    ISO 6142:2001 Gas analysis Preparation of calibration gas mixtures Gravimetric method
    ISO/TR 12765:1998 Measurement of fluid flow in closed conduits Methods using transit-time ultrasonic flowmeters
    ISO 10790:2015 Measurement of fluid flow in closed conduits Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 3534-3:2013 Statistics — Vocabulary and symbols — Part 3: Design of experiments
    EN 1359:2017 Gas meters - Diaphragm gas meters
    ISO 14111:1997 Natural gas — Guidelines to traceability in analysis
    ISO 7504:2015 Gas analysis Vocabulary
    ISO/TR 7871:1997 Cumulative sum charts Guidance on quality control and data analysis using CUSUM techniques
    GPA 2172 : 2014 CALCULATION OF GROSS HEATING VALUE, RELATIVE DENSITY, COMPRESSIBILITY AND THEORETICAL HYDROCARBON LIQUID CONTENT FOR NATURAL GAS MIXTURES FOR CUSTODY TRANSFER
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    EN 1776:2015 Gas infrastructure - Gas measuring systems - Functional requirements
    ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
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