期刊
PETROLEUM SCIENCE AND TECHNOLOGY
卷 41, 期 23, 页码 2190-2203出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2022.2113097
关键词
2-EHN; animal biodiesel; cetane improver; diesel engine; performance
This experimental study investigated the effects of animal biodiesel and diesel mixtures, as well as the addition of 2-ethylhexyl nitrate as a fuel additive, on performance and emission characteristics. The results showed that the addition of 2-ethylhexyl nitrate to the fuel mixture improved brake thermal efficiency and reduced carbon monoxide and hydrocarbon emissions.
In this experimental study, the effects of animal biodiesel (AB) and diesel mixtures in different proportions and the addition of 2-ethylhexyl nitrate (2-EHN) at different percentages (1%, 2%, and 3%) as a fuel additive to these mixtures were investigated in terms of performance and emission characteristics. According to the experimental results, the highest brake thermal efficiency (BTE) was obtained with 97 D + 3 2EHN as 26.99% at 3000 W engine load. At the same load, an increase of 7.58% was found compared to diesel fuel. The brake specific fuel consumption (BSFC) values increased with the addition of 2EHN to the diesel, while the addition of 2EHN to the AB resulted in a decrease in BSFC. In general, carbon monoxide (CO) and hydrocarbon (HC) emissions decreased for all fuels compared to diesel, except for 97AB + 3 2EHN fuel. The lowest CO and HC emissions were obtained with 97 D + 3 2EHN as 0.022% and 13 ppm, respectively. HC emissions decreased by 67.77% and 60.6%. On the other hand, nitrogen oxide (NOx) emissions were obtained with the lowest pure diesel fuel, while the smoke emissions were obtained the lowest with AB-containing fuels.
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