Emission Characteristics for a Homogeneous Charged Compression Ignition Diesel Engine with Exhaust Gas Recirculation Using Split Injection Methodology

Changhee Lee, Jaewoo Chung and Kihyung Lee
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Changhee Lee: Department of Mechanical and Automotive Engineering, Songwon University, Songarm-ro, Gwangju-ci 61756, Korea
Jaewoo Chung: Gas Engine System R&D Center—Green Car Power System R&D Division, KATECH, Chunan-si 330-912, Korea
Kihyung Lee: Department of Mechanical Engineering, Hanyang University, Kyounggi-do 15588, Korea

Energies, 2017, vol. 10, issue 12, 1-22

Abstract: Due to the serious issues caused by air pollution and global warming, emission regulations are becoming stricter. New technologies that reduce NO x and PM emissions are needed. To cope with these social exhaust gas regulation demands, many advanced countries are striving to develop eco-friendly vehicles in order to respond to stricter emissions regulations. The homogeneous charged compression ignition engine (HCCI) incorporates a multi-stage combustion engine with multiple combustion modes, catalyst, direct fuel injection and partial mixing combustion. In this study, the HCCI combustion was applied to analyze and review the results of engines applying HCCI combustion without altering the conventional engine specifications. The optimization of exhaust gas recirculation (EGR) and compression ratio changes provides an optimal fuel economy. In this study, potential for optimum economy within the range of IMEP 0.8 MPa has been evaluated.

Keywords: Homogeneous Charged Compression Ignition (HCCI); Exhaust Gas Recirculation (EGR); multiple injections; compression ratio; intake pressure; Indicated Mean Effective Pressure (IMEP); Bottom Top Dead Center (BTDC); After Top Dead Center (ATDC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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