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BSI
BS EN ISO 6976:2005

BS EN ISO 6976:2005

Current

Current

The latest, up-to-date edition.

Natural gas. Calculation of calorific values, density, relative density and Wobbe index from composition

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-2007

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Principles
6 Behaviour of ideal and real gases
7 Calculation of calorific value on a molar basis
8 Calculation of calorific value on a mass basis
9 Calculation of calorific value on a volume basis
10 Calculation of associated properties
11 Uncertainty of calculation
12 Tables of data
Annex A (normative) - Values of auxiliary constants
Annex B (normative) - Formulae for uncertainty calculations
Annex C (informative) - Conversion factors
Annex D (informative) - Example calculations
Bibliography

Describes methods for the calculation of gross calorific value, net calorific value, density, relative density, gross Wobbe index and net Wobbe index of natural gases, natural gas substitutes and other combustible gaseous fuels, when the composition of the gas by mole fraction is known.

Committee
PTI/15
DevelopmentNote
Supersedes BS 7859(1996). (01/2007) Supersedes 15/30289053 DC. (09/2016)
DocumentType
Standard
Pages
58
PublisherName
British Standards Institution
Status
Current
SupersededBy
Supersedes

BS 8609:2014 Natural gas. Calculation of carbon dioxide emission factors from composition
14/30287938 DC : 0 BS 8609 - NATURAL GAS - CALCULATION OF CARBON DIOXIDE EMISSION FACTORS FROM COMPOSITION

ISO 6974-2:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 14912:2003 Gas analysis — Conversion of gas mixture composition data
ISO 80000-1:2009 Quantities and units — Part 1: General
ISO 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
ISO 20765-2:2015 Natural gas Calculation of thermodynamic properties Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application
ISO/TR 29922:2017 Natural gas Supporting information on the calculation of physical properties according to ISO 6976
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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Hardcopy - English
PDF - English
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