Nanotechnology-Assisted Performance, Combustion and Emission Control: A Study on Al₂O₃-Enriched GABME B20 in CI Engines
Nanotechnology-Assisted Performance, Combustion and Emission Control: A Study on Al₂O₃-Enriched GABME B20 in CI Engines |
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| © 2025 by IJETT Journal | ||
| Volume-73 Issue-11 |
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| Year of Publication : 2025 | ||
| Author : C.S. Abdul Favas, M. Ramarao, S. Prakash, S. Nallusamy | ||
| DOI : 10.14445/22315381/IJETT-V73I11P109 | ||
How to Cite?
C.S. Abdul Favas, M. Ramarao, S. Prakash, S. Nallusamy,"Nanotechnology-Assisted Performance, Combustion and Emission Control: A Study on Al₂O₃-Enriched GABME B20 in CI Engines", International Journal of Engineering Trends and Technology, vol. 73, no. 11, pp.107-118, 2025. Crossref, https://doi.org/10.14445/22315381/IJETT-V73I11P109
Abstract
This research work investigates the green algal biomass induced by Aluminum Oxide (Al₂O₃) nanoparticles on the performance, combustion, and emission characteristics of a diesel engine fueled with neat Diesel and a Green Algae Biofuel Methyl Ester (GABME20) biodiesel blend. The concentration of Al₂O₃ nanoparticles with pure diesel and biodiesel blend, with enhancement in combustion efficiency and emission reduction compared to base diesel. For diesel, the Brake Thermal Efficiency (BTE) increased from 28.2% to 30% which increased to around 6.38%, while BSFC decreased from 0.693 to 0.662 kg/kWh, which decreased to around 4.47%. When Al₂O₃ was added to GABME B20, BTE improved from 27.5% to 29.1% increasing by 3.19% and BSFC was reduced from 0.71 to 0.678 kg/kWh, decreasing around 2.16%. The Heat Release Rate (HRR) reached a maximum of 75 J/°CA for GABME + Al₂O₃ compared to 68 J/°CA for Diesel, indicating enhanced combustion due to improved atomization and catalytic oxidation. Emission analysis revealed significant improvements with Al₂O₃ addition. CO emissions were reduced by 20% for Diesel + Al₂O₃ and 30.86% for GABME + Al₂O₃ relative to Diesel. HC emissions decreased by 11.92% and 8.46% respectively, while NOx increased by 9.57% and 40.43% due to higher in-cylinder temperature and oxygen availability. Smoke opacity showed a marked reduction: 20.31% for Diesel + Al₂O₃, 25% for GABME (B20) and 35.94% for GABME + Al₂O₃ compared to Diesel.
Keywords
Green Algae Biodiesel, Chlorella vulgaris, (Al₂O₃) nanoparticles, Wastewater Derived Fuel.
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