The effect of triacetin as a fuel additive to waste cooking biodiesel on engine performance and exhaust emissions

Zare, Ali, Nabi, Md Nurun, Bodisco, Timothy A., Hossain, Farhad M., Rahman, M. M., Ristovski, Zoran D. and Brown, Richard J. 2016, The effect of triacetin as a fuel additive to waste cooking biodiesel on engine performance and exhaust emissions, Fuel, vol. 182, pp. 640-649, doi: 10.1016/j.fuel.2016.06.039.

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Title The effect of triacetin as a fuel additive to waste cooking biodiesel on engine performance and exhaust emissions
Author(s) Zare, Ali
Nabi, Md Nurun
Bodisco, Timothy A.ORCID iD for Bodisco, Timothy A.
Hossain, Farhad M.
Rahman, M. M.
Ristovski, Zoran D.
Brown, Richard J.
Journal name Fuel
Volume number 182
Start page 640
End page 649
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-10-15
ISSN 0016-2361
Keyword(s) oxygen
oxygen ratio
driving cycle
Science & Technology
Energy & Fuels
Engineering, Chemical
Summary This study investigates the effect of oxygenated fuels on engine performance and exhaust emission under a custom cycle using a fully instrumented 6-cylinder turbocharged diesel engine with a common railinjection system. A range of oxygenated fuels based on waste cooking biodiesel with triacetin as an oxygenated additive were studied. The oxygen ratio was used instead of the equivalence ratio, or air to fuelratio, to better explain the phenomena observed during combustion. It was found that the increased oxygen ratio was associated with an increase in the friction mean effective pressure, brake specific fuel consumption, CO, HC and PN. On the other hand, mechanical efficiency, brake thermal efficiency, CO2, NOx and PM decreased with oxygen ratio. Increasing the oxygen content of the fuel was associated with a decrease in indicated power, brake power, indicated mean effective pressure, brake mean effective pressure, friction power, blow-by, CO2, CO (at higher loads), HC, PM and PN. On the other hand, the brakespecific fuel consumption, brake thermal efficiency and NOx increased by using the oxygenated fuels. Also, by increasing the oxygen content, the accumulation mode count median diameter moved toward the smaller particle sizes. In addition to the oxygen content of fuel, the other physical and chemical properties of the fuels were used to interpret the behavior of the engine.
Language eng
DOI 10.1016/j.fuel.2016.06.039
Field of Research 0904 Chemical Engineering
0913 Mechanical Engineering
0306 Physical Chemistry (Incl. Structural)
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Free to Read? No
Free to Read Start Date 2018-10-16
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Document type: Journal Article
Collection: School of Engineering
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