Preprint Article Version 1 This version not peer reviewed

Emission Characteristics for a HCCI Diesel Engine with EGR Using Split Injection Methodology

Version 1 : Received: 29 October 2017 / Approved: 29 October 2017 / Online: 29 October 2017 (12:34:44 CET)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Energies 2017, 10, 2146
DOI: 10.3390/en10122146

Abstract

Currently, for the serious air pollution and global warming effect caused by the substance released from the present vehicle, it is expected that the regulatory requirements for the emission will become more stringent. A new concept of the combustion technology that can reduce the NOx and PM related to combustion is urgently needed. To cope with such social demands, many developed countries are efforts to develop the environment friendly vehicle engine at the national lever in order to satisfy with strengthening emission control. As a main combustion technology among new combustion technology for the new generation engine, the homogenous charge compression engine (HCCI) is expanding its application range by employing multiple combustion mode, catalyst, direct fuel injection and partially premixed combustion. In this paper, a multi-injection method in order to apply the HCCI combustion method without mainly altering engine specifications and practicality by referring to the results of the HCCI engine was investigated. Applied with forced charging, exhaust gas recirculation (EGR) and compression ratio change, it was evaluated to the possibility of securing optimum fuel economy and emission reduction in the IMEP 0.8 MPa range.

Subject Areas

HCCI (Homogeneous Charged Compression Ignition); EGR (Exhaust Gas Recirculation); multiple injections; compression ratio; intake pressure

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