Performance of a diesel engine fueled by waste cooking oil biodiesel |
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| Affiliation: | 1. Department of Automobile Engineering, Madras Institute of Technology Campus, Anna University, India;2. School of Mechanical Engineering, Vellore Campus, VIT University, TamilNadu, 632014, India;1. Department of Mechanical Engineering, West Virginia University Institute of Technology, 405 Fayette Pike, Montgomery, WV 25136-2436, USA;2. Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, ON M5B 2K3, Canada;1. Department of Mechanical Engineering, Graduate Education Institute, Usak University, 64200 Usak, Turkey;2. Department of Mechanical Engineering, Faculty of Engineering, Usak University, 64200 Usak, Turkey;3. Department of Mechanical and Precision System Engineering, Faculty of Science and Engineering, Teikyo University, 320-8551 Utsunomiya, Tochigi, Japan |
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| Abstract: | A direct injection diesel engine fueled by a diesel/biodiesel blend from waste cooking oil up to B100 (a blend of 100% biodiesel content) indicated a combustion efficiency rise by 1.8% at full load. The soot peak volume fraction was reduced by 15.2%, while CO and HC concentrations respectively decreased by 20 and 28.5%. The physical and chemical delay periods respectively diminished by 1.2 and 15.8% for engine noise to pronounce 6.5% reduction. Injection retarding by 5° reduced NOx to those original levels of B0 (a blend of zero biodiesel content) and combined respective reduction magnitudes of 10 and 7% in CO and HC at 75% load. Increasing the speed reduced CO and HC respectively by 26 and 42% at 2.36 times the droplet average strain rate. By coupling the turbulence model to the spray break-up and chemical kinetics models, increasing the injection pressure simultaneously reduced CO, HC and NOx at 17% exhaust gas recirculation ratio. |
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| Keywords: | Performance Diesel engine Biodiesel |
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