Effects of exhaust gas recirculation (EGR) on a diesel engine fuelled with palm-biodiesel

Yasin, Mohd Hafizil Mat and Mamat, Rizalman and Yusop, Ahmad Fitri and Paruka, Perowansa and Yusaf, Talal and Najafi, Gholamhassan (2015) Effects of exhaust gas recirculation (EGR) on a diesel engine fuelled with palm-biodiesel. Energy Procedia , 75. pp. 30-36.

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Abstract

Increasing global population in present years means more vehicle ownership which leads to the increasing of oxides
of nitrogen (NOx) and greenhouse gas emission. Oxides of nitrogen (NOx) are produced from the fuels which burned
at high temperatures; contributes to the formation of ozone smog, harmful unseen particles, acid rain, and oxygen
depletion that reduced the water quality. The use of higher oxygenated nature biodiesel as an alternative fuel also
contributes to the increasing formation levels of NOx emission. In respond to the matters arise, exhaust gas
recirculation (EGR) has been introduced to control NOx emissions from diesel engines effectively which lowers the
oxygen concentration in the combustion chamber. In this paper, an experimental study was conducted on a Mitsubishi
4D68 four stroke, water cooled DI diesel engine fuelled with neat palm-biodiesel operating with diaphragm exhaust
gas recirculation (EGR). Both biodiesel fuel and EGR are employed together to evaluate the engine performance and
exhaust emission particularly NOx content. Tests were performed under a steady state condition where conventional
diesel fuel was used as a baseline fuel. According to the experimental results, diesel engine operating with palmbiodiesel
and EGR reduced the brake power output, decreased the engine torque, increased fuel consumption,
decreased NOx and absolute slight increment in other emissions include CO2, CO, and particulate matters.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Date Deposited: 06 Oct 2015 06:15
Last Modified: 23 Oct 2017 01:40
Uncontrolled Keywords: oxides of nitrogen (NOx); exhaust gas recirculation (EGR); palm-biodiesel; engine performance and exhaust emission
Fields of Research : 09 Engineering > 0913 Mechanical Engineering > 091305 Energy Generation, Conversion and Storage Engineering
Identification Number or DOI: 10.1016/j.egypro.2015.07.131
URI: http://eprints.usq.edu.au/id/eprint/27783

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