Influence of hot burned gas utilization on the exhaust emission characteristics of a controlled auto-ignition two-stroke cycle engine
A controlled auto-ignition (CAI) two-stroke cycle engine suggests an exceptional aspect and promising future for internal combustion engines (ICEs), such as a higher power-toweight ratio, higher combustion efficiency and lower exhaust gas emissions. Conventional two-stroke cycle engines emit higher...
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| Main Authors: | , , , , |
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| Format: | Article |
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Universiti Malaysia Pahang
2015
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/55845/ http://dx.doi.org/10.15282/ijame.11.2015.20.0201 |
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| Institution: | Universiti Teknologi Malaysia |
| Summary: | A controlled auto-ignition (CAI) two-stroke cycle engine suggests an exceptional aspect and promising future for internal combustion engines (ICEs), such as a higher power-toweight ratio, higher combustion efficiency and lower exhaust gas emissions. Conventional two-stroke cycle engines emit higher exhaust gas emissions and offer lower fuel saving economy. Most of these drawbacks can be addressed if CAI combustion is associated with a two-stroke cycle engine. An experimental investigation is carried out based on a single-cylinder CAI two-stroke cycle engine using Internal and External Exhaust Gas Recirculation (In-EGR and Ex-EGR) and fuels with different octane numbers to investigate the exhaust emissions characteristics. The experimental results indicate a remarkable improvement in the engine's exhaust gas emissions. The concentration of uHC and CO emissions decreased with application of In/Ex-EGR. However, NOx emission increased with the use of In-EGR |
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