Effect of straight vegetable oil blends and biodiesel blends on wear of mechanical fuel injection equipment of a constant speed diesel engine |
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| Affiliation: | 1. Institut national de la recherche scientifique, Centre Eau Terre Environnement, 490 rue de la Couronne, Québec, QC, G1K 9A9, Canada;2. Département de génie mécanique, École de Technologie Supérieure, 1100 rue Notre-Dame Ouest, Montréal, QC, H3C 1K3, Canada;1. Department of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, PR China;2. Zhejiang Tianneng Energy Technology Co., Ltd., Changxing County, Zhejiang Province 313100, PR China;1. Department of Electrical Engineering, College of Engineering, King Saud University, Riyadh, 11421, Saudi Arabia;2. Electrical & Computer Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada;1. Faculty of Engineering, Department of Electrical Engineering, Bu-Ali Sina University, Hamedan, Iran;2. Faculty of Engineering, Department of Electrical Engineering, Ayatollah Borujerdi University, Broujerd, Iran;1. School of Engineering, University of Portsmouth, UK;2. Fluid Structure Interaction Research Group, Faculty of Engineering and the Environment, University of Southampton, UK |
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| Abstract: | Vegetable oils and biodiesel have emerged as strong alternative fuels worldwide. However use of new fuels in existing engines leads to issues such as wear of vital moving components, and fuel injection equipment (FIE). It is important to ensure that new alternative fuel does not affect the FIE adversely. In this experimental study, a non-firing engine FIE simulator test rig prototype was developed and 250 h endurance test of FIE was performed with an objective to ensure the long-term compatibility and durability of biofuel blends. The components of FIE such as plunger, nozzle needle, valve, and valve holder were investigated for wear. Test fuels used in this study were Karanja blends (K20, K5), Jatropha blends (J20, J5), Biodiesel blends (B20, B5) and baseline mineral diesel in a non-firing engine FIE simulator. The compatibility of FIE with test fuels in terms of dimensional loss, weight loss and surface texture variations using optical microscopy before and after the endurance test was compared. Biodiesel blends showed relatively lower wear compared to mineral diesel however SVO blends showed no definite trend of the wear results compared to baseline mineral diesel. |
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| Keywords: | Fuel injection equipment Straight vegetable oils Biodiesel Wear Dimensional loss Weight loss |
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