Combustion, emission, and phase stability features of a diesel engine fueled by Jatropha/ethanol blends and n-butanol as co-solvent

El-Seesy, Ahmed I. and Hassan, Hamdy and Ibraheem, Latif and He, Zhixia and Soudagar, Manzoore Elahi M. (2020) Combustion, emission, and phase stability features of a diesel engine fueled by Jatropha/ethanol blends and n-butanol as co-solvent. International Journal Of Green Energy, 17 (12). pp. 793-804. ISSN 15435075, DOI https://doi.org/10.1080/15435075.2020.1798770.

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Abstract

The main challenge of utilizing ethanol in diesel engines in blending mode is the phase separation issue. Therefore, an attempt has been performed to enhance the stability feature of ethanol/Jatropha biodiesel (JME) blends by using n-butanol as co-solvent. The 10% by volume of n-butanol is added to the mixtures of 10% and 20% ethanol and 70% and 80% JME, which is denoted as JME10Bu10E and JME10Bu20E, respectively. The phase stability of the evaluated fuels is examined employing visual approach and Thermogravimetric analysis. These methods confirm that there is no phase separation for more than 2 months under ambient conditions. Then, the combustion and emission features are investigated utilizing a diesel engine run with different loads and constant speed. The findings demonstrate that the p(max.)and HRR are increased by adding ethanol. The ignition delay is extended with the addition of ethanol while the combustion period is almost the same. The bsfc is decreased by adding ethanol compared to JME fuel. The CO, UHC, and NO(x)formations are reduced markedly by 40%, 40%, and 40%, respectively, with adding ethanol. Finally, using n-butanol and JME as co-solvents with ethanol supports the growth of renewable energy in the CI engine.

Item Type: Article
Funders: National Natural Science Foundation of China (Grant No. 51776088, 51876083), Priority Academic Program Development of Jiangsu Higher Education Institutions (Grant No. SS2018002)
Uncontrolled Keywords: Jatropha biodiesel; n-Butanol as Co-solvent; ethanol; phase stability evaluation; combustion and emission characteristics
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 30 Dec 2023 15:08
Last Modified: 30 Dec 2023 15:08
URI: http://eprints.um.edu.my/id/eprint/36498

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