The analysis of the methods of hydrocarbon emission measurement according to European vehicle emission legislation
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Publication date: 2009-02-01
Combustion Engines 2009,136(1), 76-89
The paper discusses the measurement methods of methane hydrocarbons, non-methane hydrocarbons and total hydrocarbons set forth in the European emission regulations pertaining to M and N vehicle types and their engines. A model for the determining of the concentration of the said hydrocarbons and mathematical formulas have been derived. The concentration of the hydrocarbons determined as per the standards and the actual hydrocarbon concentration have been compared. Based on the above, changes have been proposed in the methodology set forth in the regulations.
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