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Energies 2017, 10(12), 2146; doi:10.3390/en10122146

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

1
Department of Mechanical and Automotive Engineering, Songwon University, Songarm-ro, Gwangju-ci 61756, Korea
2
Gas Engine System R&D Center—Green Car Power System R&D Division, KATECH, Chunan-si 330-912, Korea
3
Department of Mechanical Engineering, Hanyang University, Kyounggi-do 15588, Korea
*
Authors to whom correspondence should be addressed.
Received: 28 October 2017 / Revised: 28 November 2017 / Accepted: 13 December 2017 / Published: 15 December 2017

Abstract

Due to the serious issues caused by air pollution and global warming, emission regulations are becoming stricter. New technologies that reduce NOx 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. View Full-Text
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) 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)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, C.; Chung, J.; Lee, K. Emission Characteristics for a Homogeneous Charged Compression Ignition Diesel Engine with Exhaust Gas Recirculation Using Split Injection Methodology. Energies 2017, 10, 2146.

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