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sklademVydáno: 2014-07-31
PD ISO/TR 22302:2014
Natural gas. Calculation of methane number
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| Označení normy: | PD ISO/TR 22302:2014 |
| Počet stran: | 20 |
| Vydáno: | 2014-07-31 |
| ISBN: | 978 0 580 82791 4 |
| Status: | Standard |
DESCRIPTION
PD ISO/TR 22302:2014
This standard PD ISO/TR 22302:2014 Natural gas. Calculation of methane number is classified in these ICS categories:
- 75.060 Natural gas
This Technical Report describes methods for the calculation of the methane number (MN) of dry natural gas when the composition of the gas by mole fraction is known.
If the difference of MN between two calculation methods is more than 6, it is recommended to use a test method to determine MN for the gas.
The Gas Research Institute (GRI) methods are used to calculate methane number, MN, and motor octane number, MON, of gas; the linear relation is useful in determining and comparing the knock resistance of high methane content natural gas.