Assessing idling effects on a compression ignition engine fueled with Jatropha and Palm biodiesel blends |
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| Affiliation: | 1. Department of Electrical & Computer Engineering, Michigan Technological University, Houghton, MI 49931, USA;2. Department of Mechanical and Materials Engineering, Queen''s University, Kingston, Ontario K7L 3N6, Canada;3. Department of Materials Science & Engineering, Michigan Technological University, Houghton, MI 49931, USA;1. Department of Forest and Water Management, Ghent University, Belgium;2. Department of Mathematical Modelling, Statistics and Bioinformatics, Ghent University, Belgium;3. Department of Civil Engineering, Monash University, Australia;1. Escuela Técnica Superior de Ingeniería Informática, UNED Juan del Rosal, 16, 28040 Madrid, Spain;2. RITS Team, INRIA Rocquencourt Domaine de Voluceau, 78153 Le Chesnay, France;1. Chemistry Department, Faculty of Science, Helwan University, Ain-Helwan, Cairo 11795, Egypt;2. Department of Chemical Engineering & Pilot Plant, National Research Centre, Dokki, Cairo, Egypt;3. Pre-treatments and Finishing Department, National Research Centre, Dokki, Cairo, Egypt;1. KIER-UNIST Advanced Center for Energy, Korea Institute of Energy Research, Daejeon 305-343, Republic of Korea;2. Solar Energy Research Center, Korea Institute of Energy Research, Daejeon 305-343, Republic of Korea;3. Department of Electrical, Electronic, and Control Engineering, Hankyong National University, 327 Jungang-ro, Anseong-si, Gyeonggi-do 456-749, Republic of Korea;1. School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville 32611-6300, USA;3. Solar-Tower.org.uk, 8 Impasse des Papillons, 34090 Montpellier, France |
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| Abstract: | In this study, performance of a diesel engine operated with Jatropha and Palm biodiesel blends at high idling conditions has been evaluated. The result obtained from experiment elucidate that, at all idling modes HC and CO emissions of both blends decreases, however, NOx emissions increases compared to pure diesel fuel. Jatropha biodiesel has higher viscosity compared to Palm biodiesel, which might have degraded the spray characteristics and caused slightly improper mixing which might have led to slightly incomplete combustion, thus at both idling conditions, Jatropha blends emitted higher CO and HC compared to Palm biodiesels. Compared to diesel fuel, CO emissions were 5.9–9.7%, 17.6–22.6%, 23.5–29%, 2.9–6.4%, 5.9–14.5% and 11.8–17.74% less, HC emissions were 10.3–11.5%, 24.13–30.76%, 34.5–39%, 6.9–7.7%, 26–27% and 31–35% less and NOx emissions were 8.3–9.5%, 14–15%, 22–25%, 5–7.14%, 10–11.3% and 17–18% more respectively for 5, 10 and 20% blends of Palm and Jatropha biodiesel. Compared to diesel fuel, at high idling conditions brake specific fuel consumption all Palm and Jatropha biodiesel–diesel blends increased. Compared to diesel fuel, BSFC were 1.14–1.35%, 2.28–2.96%, 7.1–8.35%, 2.28–2.69%, 3.98–5.39% and 8.83–9.29% more respectively for 5, 10 and 20% blends of Palm and Jatropha biodiesel. |
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| Keywords: | Biodiesel Emissions Idling Fuel consumption Renewable |
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