Effects of Decanol Blended Diesel Fuel on Engine Efficiency and Pollutant Emissions

被引：0
|
作者：
Jang, Kwonwoo [1 ]
Yang, Jeonghyeon [2 ]
Kim, Beomsoo [2 ]
Kwon, Jaesung [2 ]
机构：
[1] Technical Research Laboratories, POSCO, 6261 Donghaean-ro, Pohang,37859, Korea, Republic of
[2] Department of Mechanical System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong,53064, Korea, Republic of
来源：
Energies | 2024年 / 17卷 / 24期
关键词：
This study examined the effects of blending decanol; an oxygenated fuel; with diesel on diesel engine performance and emissions. Experiments were conducted on a single-cylinder engine at 1700 rpm and 2700 rpm; using diesel/decanol blends at 10%; 30%; and 50% by volume (D90de10; D70de30; D50de50). Results showed that brake thermal efficiency decreased with higher decanol ratios at low speeds. As a result; brake specific fuel consumption and brake specific energy consumption increased due to decanol’s lower calorific value. Regarding emissions; decanol blending reduced NOx; CO; HC; and smoke. NOx emissions were lowered by the cooling effect resulting from decanol’s higher latent heat of vaporization and lower calorific value; especially at low speeds. CO and HC emissions declined as decanol’s oxygen content promoted oxidation; reducing incomplete combustion. Smoke emissions were minimized in fuel-rich zones by preventing unburned carbon particle formation. This study highlights decanol’s potential as an eco-friendly diesel blending option. Future work should optimize blending ratios and injection settings to enhance diesel engine performance. © 2024 by the authors;
D O I：
10.3390/en17246223
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