Combined effect of nanoemulsion and EGR on combustion and emission characteristics of neat lemongrass oil (LGO)-DEE-diesel blend fuelled diesel engine

被引：69
|
作者：
Sathiyamoorthi, R. [1 ]
Sankaranarayanan, G. [2 ]
Pitchandi, K. [3 ]
机构：
[1] Anna Univ, Panimalar Engn Coll, Dept Mech, Chennai, Tamil Nadu, India
[2] Sree Sastha Inst Engn & Technol, Dept Mech, Chennai, Tamil Nadu, India
[3] Sri Venkateswara Coll Engn, Dept Mech, Sriperumbudur, Tamil Nadu, India
来源：
APPLIED THERMAL ENGINEERING | 2017年 / 112卷
关键词：
Neat lemongrass oil; Diethyl ether; Diesel; Water emulsion; Cerium oxide; PERFORMANCE; INJECTION; ADDITIVES;
D O I：
10.1016/j.applthermaleng.2016.10.179
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In the present experimental study, the combined effects of nanoemulsion and exhaust gas recirculation (EGR) on the performance, combustion and emission characteristics of a single cylinder, four stroke, variable compression ratio diesel engine fueled with neat lemongrass oil (LGO)-diesel-DEE (diethyl ether) blend are investigated. The Neat Lemongrass oil could be used as a new alternate fuel in compression ignition engines without any engine modifications. The entire investigation was conducted in the diesel engine using the following test fuels: emulsified LGO25, cerium oxide blended emulsified LGO25 and DEE added emulsified LGO25 with EGR respectively and compared with standard diesel and LGO25 (75% by volume of diesel and 25% by volume of lemongrass oil) fuels. The combined effect of DEE added nano emulsified LGO25 with EGR yielded a significant reduction in NO. and smoke emission by 30.72% and 11.2% respectively compared to LGO25. Furthermore, the HC and CO emissions were reduced by 18.18% and 33.31% respectively than with LGO25. The brake thermal efficiency and brake specific fuel consumption increased by 2.4% and 10.8% respectively than LGO25. The combustion characteristics such as cylinder pressure and heat release rate increased by 4.46% and 3.29% respectively than with LGO25. The combustion duration and ignition delay increase at nano-emulsified LGO25 with DEE and EGR mode but decrease for nano-emulsified LGO25 fuel. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1421 / 1432
页数：12
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