A Hybrid Multi-Criteria Decision-Making Technique for the Evaluation of TiO2 Nanoparticles as an Additive in Diesel-n-Butanol-Bombax ceiba Biodiesel Blends for Reduction of Pollution from IC Engines
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Raja Sekhar Sandhi, Kodanda Rama Rao Chebattina, Srinivas Vadapalli, Aakula Swathi, Narayana Rao Sambana, Uma Chaithanya Pathem, "A Hybrid Multi-Criteria Decision-Making Technique for the Evaluation of TiO2 Nanoparticles as an Additive in Diesel-n-Butanol-Bombax ceiba Biodiesel Blends for Reduction of Pollution from IC Engines," International Journal of Engineering Trends and Technology, vol. 70, no. 3, pp. 85-94, 2022. Crossref, https://doi.org/10.14445/22315381/IJETT-V70I2P210
Due to population growth and rising demands for everyday conveniences, the energy demand has increased significantly, resulting in environmental pollution and depletion of non-renewable sources of energy. In this study, experiments were conducted to investigate the effects of Titanium dioxide (TiO2) nanoparticles on BCME and n-butanol (C4H9OH)diesel blends. Fuel samples containing n-butanol considerably impacted the blend`s physicochemical qualities. The nanoparticles of TiO2 were introduced at concentrations of 30, 60, and 90 ppm, respectively. Nano additives and n-butanol`s oxygen content help in increasing engine performance and reducing engine emissions. The results of the tests were used in Crossover Multi-Criteria Decision Making (MCDM) methods to identify the best biodiesel blend. Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is a method for determining the optimal combination. Brake Thermal Efficiency (BTE), Hydrocarbon (HC), Oxides of Nitrogen (NOx), Carbon monoxide (CO) and Brake Specific Fuel Consumption (BSFC) are considered as the assessment criteria. For Brake power, B20Bu10T60 is ranked highest at 1.05, 4.16, and 5.2 kilowatts, while AHP-TOPSIS ranks it second at 2.1 and 3.12. A good substitute for diesel would be a mixture of B20Bu10T60 and B20Bu10T90 biodiesel. This study shows that 60ppm TiO2 nanoparticles are the ideal dose level for improving engine performance and reducing environmental pollutants.
AHP, Butanol, BCME, Diesel, Emission, Engine, MCDM, Titanium Dioxide (TiO2), TOPSIS.
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