EXPERIMENTAL INVESTIGATION ON CYCLIC VARIABILITY, ENGINE PERFORMANCE, AND EXHAUST EMISSIONS IN A DIESEL ENGINE USING ALCOHOL-DIESEL FUEL BLENDS

被引：6
作者：
Gurgen, Samet [1 ]
Unver, Bedir [2 ]
Altin, Ismail [3 ]
机构：
[1] Iskenderun Tech Univ, Dept Naval Architecture & Marine Engn, Antakya, Turkey
[2] Yuzuncu Yil Univ, Dept Marine Engn, Van, Turkey
[3] Karadeniz Tech Univ, Dept Naval Architecture & Marine Engn, Trabzon, Turkey
来源：
THERMAL SCIENCE | 2017年 / 21卷 / 01期
关键词：
Diesel engine; cyclic variation; n-butanol; ethanol; exhaust emission; engine performance; COMPRESSION IGNITION ENGINE; OXYGENATE BLENDS; COMBUSTION; METHANOL;
D O I：
10.2298/TSCI161020306G
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper investigates the impacts of using n-butanol-diesel fuel and ethanol-diesel fuel blends on engine performance, exhaust emission, and cycle-by-cycle variation in a Diesel engine. The engine was operated at two different engine speed and full load condition with pure diesel fuel, 5% and 10% (by vol.) ethanol and n-butanol fuel blends. The coefficient of variation of indicated mean effective pressure was used to evaluate the cyclic variability of n-butanol-diesel fuel and ethanol-diesel fuel blends. The results obtained in this study showed that effective efficiency and brake specific fuel consumption generally increased with the use of the n-butanol-diesel fuel or ethanol-diesel fuel blends with respect to that of the neat diesel fuel. The addition of ethanol or n-butanol to diesel fuel caused a decrement in CO and NOx emissions. Also, the results indicated that cycle-by-cycle variation has an increasing trend with the increase of alcohol-diesel blending ratio for all engine speed. An increase in cyclic variability of alcohol-diesel fuel blends at low engine speed is higher than that of high engine speed.
引用
收藏
页码：581 / 589
页数：9
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