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Proceedings of CHT-08 ICHMT International Symposium on Advances in Computational Heat Transfer
May, 11-16, 2008, Marrakesh, Morocco

DOI: 10.1615/ICHMT.2008.CHT


ISBN Print: 978-1-56700-253-9

ISSN: 2578-5486

NUMERICAL STUDY OF THE EFFECT OF TYPE OF FUEL ON POLLUTANT EMISSIONS IN A DIESEL ENGINE

page 14
DOI: 10.1615/ICHMT.2008.CHT.1370
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要約

In order to minimise the planet heating observed these last years, many studies have been undertaken on the different factors responsible for this atmospheric pollution, among which are the physical and chemical phenomena occurring in combustion. In order to diminish the polluting gases emanating from I.C. engines, the idea is to lower fuel consumption while maintaining the engine performances. In this context, we numerically calculated the concentration of different polluting species (CO, CO2, HC and NO) by using the commercial programme KIVA2 for four fuels (DF2,C8H18,C7H16, and C14H13) in a direct injection Diesel engine of type CMT/FL912. The Zeldovich chemical reactions for the formation of NO, the global fuel oxidation reaction and the equilibrium reactions contributing to the formation of pollutants have been introduced. A comparison of polluting species of various fuels obtained after combustion, is presented.

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