The influence of oxygenated diesel fuel on diesel vehicle exhaust emissions

• Autorzy: Kozak M. , Merkisz J. , Bielaczyc P. , Szczotka A
• Konferencja: Kongres Silników Spalinowych (20-23.05.2007; Kraków, Poland)
• Języki publikacji: EN

Abstrakty

EN

In the year 2005, the EURO IV fuel specification came into effect and the requirements for diesel fuel properties have become even more stringent. In this way, the potential of diesel fuel for emissions reduction has already been to a large extent exploited and the most emissions-sensitive fuel parameters can now be changed in a narrow range only. The shortfall in NOx and PM emissions control in diesel engines is, however, so great that more drastic fuel changes will be needed. One of the most promising .fuel modifications for exhaust emissions control seems to be oxygenated additives. The objective of the study described in this paper was to analyze under transient conditions the influence of synthetic oxygenated fuel additives on exhaust emissions. The tests were conducted on a Euro IV passenger car. Six oxygenated additives were tested over the New European Driving Cycle (NEDC). The main findings followed from research are: - Synthetic diesel oxygenated additives are effective at such low concentration level as 5% v/v. - Synthetic diesel oxygenated additives reduce significantly CO, HC and PM emissions, however, this effect is connected with slightly increased NOx emissions. - PM emissions reduction is generally dependent on the oxygen content in fuel, whereas CO and HC emissions reduction depends also on the molecular structure of the oxygenate. - Oxygenated diesel fuels produce a favorable shift in PMINOx trade-off.

Słowa kluczowe

EN

diesel; exhaust emissions; diesel fuel; fuel additives; synthetic oxygenates

PL

diesel; emisja spalin; olej napędowy; dodatki do paliw; utlenianie syntetyczne

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Silniki Spalinowe
• Rocznik: 2007
• Tom: R. 46, nr SC3
• Strony: 112--120
• Opis fizyczny: Bibliogr. 25 poz.

Twórcy

autor

Kozak M.

autor

Merkisz J.

autor

Bielaczyc P.

autor

Szczotka A

• Poznań University of Technology, Poland

Bibliografia

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