A Comparative Study of Co-Combustion Process of Diesel-Ethanol and Biodiesel-Ethanol Blends in the Direct Injection Diesel Engine
PBN-AR
Instytucja
Wydział Inżynierii Mechanicznej i Informatyki (Politechnika Częstochowska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Applied Thermal Engineering (40pkt w roku publikacji)
ISSN
1359-4311
EISSN
Wydawca
Elsevier
URL
Rok publikacji
2017
Numer zeszytu
Strony od-do
155-163
Numer tomu
Vol.117
Liczba arkuszy
Słowa kluczowe
en
combustion
diesel engine
emission
ethanol
blend
Streszczenia
Język
en
Treść
This paper presents the results of a comparative analysis of co-combustion of diesel and biodiesel fuels with hydrated ethanol. The engine tests were conducted for an on-cylinder natural aspirated compression ignition engine operated at a constant rotational speed of 1500 rpm. Experimental investigations were also conducted to evaluate the effects of using hydrated ethanol as additives to diesel or biodiesel fuels to enhance performance, emission and combustion characteristics of direct injection diesel engines. The test engine powered by a diesel-ethanol blend (DE) was compared to a biodiesel-ethanol (BE) blend, characterized by higher values of IMEP and ITE. In the case of the DE blend, the highest ITE value was obtained for 35% of the ethanol fraction (35%). As for the BE blend, similar ITE values (31%) were obtained over the entire range of the ethanol fuel fraction in the blend. In the case of pure B100 or D100 the ignition delay achieves near the same value equal to 17 deg. The lower unrepeatability of engine cycle obtained for the BE blend combustion did not exceed 10%. The highest NOx emissions were obtained for the DE blend with 30% of the EF fraction (5.5 g/kW h). Emissions of THC and NOx increase up to 35% of the EF fraction in blend.
Cechy publikacji
original-article
Inne
System-identifier
53978
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