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Description / Abstract:
Object and Scope
The Test Code for Gaseous Fuels is intended primarily to specify standard methods for determining those chemical and physical properties of gaseous fuels that are required in tests of equipment using such fuels as a source of energy for generating heat or power.
Insofar as possible, appropriate standard methods published by The American Society for Testing and Materials are specified for the determination of these properties, and the essential information from these methods is reproduced in this Code. When such ASTM methods are not available, the Code outlines suitable methods. Generally, the methods and procedures specified may be applied at the location of the power or heat generating equipment to be tested. In exceptional cases, however, the necessity of using fixed, specialized apparatus in the methods specified herein, may dictate the necessity of transporting samples to the location of that apparatus.
The methods and procedures included in the Code are limited to the following general areas: (a) sampling, (b) chemical composition, (c) moisture content, (d) dust content, (e) calorific values, (f) specific gravity, (g) calculation of physical properties from chemical composition, and (h) stoichiometric calculations from chemical composition.
For purposes of this Code, gaseous fuels are classified as follows:
(a) Gases in which hydrocarbons are the only fuel components. Such gases include natural gas, liquefied petroleum gases, and mixtures of these with air or inert components.
(b) Gas mixtures containing significant concentrations of combustible constituents other than, or in addition to hydrocarbons, as well as inerts in concentrations less than 50 per cent by volume. Such gases include coke oven or oil gas.
(c) High-inert gases containing 50 per cent or more by volume of inert constitutents. Such gases include blast furnace gas and producer gas.
The Test Code for Gaseous Fuels is intended primarily to specify standard methods for determining those chemical and physical properties of gaseous fuels that are required in tests of equipment using such fuels as a source of energy for generating heat or power.
Insofar as possible, appropriate standard methods published by The American Society for Testing and Materials are specified for the determination of these properties, and the essential information from these methods is reproduced in this Code. When such ASTM methods are not available, the Code outlines suitable methods. Generally, the methods and procedures specified may be applied at the location of the power or heat generating equipment to be tested. In exceptional cases, however, the necessity of using fixed, specialized apparatus in the methods specified herein, may dictate the necessity of transporting samples to the location of that apparatus.
The methods and procedures included in the Code are limited to the following general areas: (a) sampling, (b) chemical composition, (c) moisture content, (d) dust content, (e) calorific values, (f) specific gravity, (g) calculation of physical properties from chemical composition, and (h) stoichiometric calculations from chemical composition.
For purposes of this Code, gaseous fuels are classified as follows:
(a) Gases in which hydrocarbons are the only fuel components. Such gases include natural gas, liquefied petroleum gases, and mixtures of these with air or inert components.
(b) Gas mixtures containing significant concentrations of combustible constituents other than, or in addition to hydrocarbons, as well as inerts in concentrations less than 50 per cent by volume. Such gases include coke oven or oil gas.
(c) High-inert gases containing 50 per cent or more by volume of inert constitutents. Such gases include blast furnace gas and producer gas.