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ABSTRACT
Biodiesel is gaining popularity as an environment-friendly fuel and prominent replacement to the common diesel fuel for compression ignition (CI) engine. Biodiesel from Pongamia Pinnatta was produced and its performance and emission characteristics were evaluated in the presence of TiO2 nanoparticle additive. The physical parameters and calorific value of biodiesel-blended oil in the presence and absence of TiO2 nanoparticles were compared. The fuel was prepared by sonicating the mixture after addition of nano-TiO2 particles. The emissions of CO, HC, and NOx are also compared in both with and without nanoparticle blends. Reduction in the emission of gases in the blend containing TiO2 nanoparticles was observed. Engine parameters such as brake thermal efficiency(BTE) and brake specific fuel consumption(BSFC) regarding various loads in a single cylinder test engine were also studied. It was observed that the BTE and BSFC increase by 1.72% and 3.57%, respectively, compared to biodiesel blend.
Acknowledgments
One of the authors Priyabrat Mohapatra acknowledges financial support from Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Government of India, New Delhi, vide the File No. EMR/2016/003370 under EMR Scheme. Authors are also thankful to SAIF (RSIC), I.I.T., Mumbai, for TEM analysis.
Nomenclature
| BTE: | = | brake thermal efficiency (%) |
| BSFC: | = | brake specific fuel consumption (kg/kW h) |
| KoME: | = | Karanja oil methyl ester |
| TiO2: | = | titanium dioxide |
| Al2O3: | = | aluminum oxide |
| CeO2: | = | cerium oxide |
| Fe3O3: | = | ferric oxide |
| CO3O4: | = | cobalt oxide |
| CNT: | = | carbon nanotube |
| B10: | = | 10% Karanja oil methyl ester and 90% diesel |
| B10 + A: | = | B10 + TiO2 additive |
| B100: | = | pure biodiesel |
| CO: | = | carbon monoxide (%) |
| HC: | = | hydrocarbon (ppm) |
| NOx: | = | nitrogen oxide (ppm) |
| Pmax: | = | maximum in-cylinder pressure |
| NHRR: | = | net heat release rate |
| TPU: | = | total percentage uncertainty |
Additional information
Funding
Notes on contributors
Manoj Kumar Parida
Manoj Kumar Parida an Associate Professor in the Dept of Mechanical Engineering at C. V. Raman College of Engineering, Bhubaneswar, has about 20 years of teaching experience. He was awarded his Ph.D degree in 2018 from School of Mechanical Engineering, KIIT University. He holds a handful research experience in publishing about 15 research articles in the field of Biodiesel production and its performance and combustion analysis.
Priyabrat Mohapatra
Priyabrat Mohapatra Associate Professor in Department of Chemistry at C. V. Raman College of Engineering, Bhubaneswar has about 13 Years of experience in teaching and research. He was awarded Ph.D. degree from Utkal University, Odisha. He is working as Principal Investigator/ Co- Principal Investigator for R&D projects funded by SERB, DST, Govt. of India and NALCO, Odisha. He has published more than 20 research articles in international journals. He has expertise in synthesis of different nano metal oxides & composites, its characterization and activity evaluation.
Smruti S. Patro
Smruti S. Patro an Assistant Professor in the Dept of Mechanical engineering at C. V. Raman College of Engineering, Bhubaneswar, has about 10 years of teaching experience in the fields of Internal Combustion Engine, Machine Design, and Manufacturing Science. She holds a Master’s degree in CAD/CAM and a Bachelor’s degree in Mechanical Engineering. She holds a handful research experience in publishing about 7 research journals in the topics ranging from Biodiesel, Machining with Copper & Steel in EDM, etc.
Subham Dash
Subham Dash has completed his Bachelor of Technology from C.V. Raman College of Engineering in the year 2018. He has done a research internship from IIT Guwahati and has worked on experiments related to solar dryer and metal hydride based cooling systems. His research interests lays in the areas of Internal Combustion Engines and Solar energy technologies.