A study on emission performance of a diesel engine fueled with five typical methyl ester biodiesels |
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| Authors: | Fujia Wu Jianxin Wang Wenmiao Chen Shijin Shuai |
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| Institution: | 1. Department of Mechanical Engineering, Sethu Institute of Technology (Autonomous), Virudhunagar 626 115, Tamil Nadu, India;2. Department of Automobile Engineering, Dr. Mahalingam College of Engineering and Technology (Autonomous), Pollachi 642 003, Tamil Nadu, India;3. Department of Chemistry, Mepco Schlenk Engineering College (Autonomous), Sivakasi 626 005, Tamil Nadu, India;1. Department of Mechanical Engineering, Aditya Engineering College, Surampalem, East Godavari (D.T), Andhra Pradesh 533 437, India;2. Department of Mechanical Engineering, Aditya College of Engineering and Technology, Surampalem, East Godavari (D.T), Andhra Pradesh 533 437, India;3. Department of Minining Engineering, Aditya Engineering College, Surampalem, East Godavari (D.T), Andhra Pradesh 533 437, India;1. College of Mechanical Engineering, Guangxi University, Nanning 530004, China;2. Guangxi Yuchai Machinery Co., Ltd, Yulin 537005, China;1. Department of Mechanical Engineering, Faculty of Engineering-Architecture, Yozgat Bozok University, 66200 Yozgat, Turkey;1. Mechanical Power Engineering Departments, Faculty of Engineering, Tanta University, Tanta, Egypt;2. Mechanical Engineering Department, Government Engineering College Patan, Gujarat, India;3. Center for Advanced Materials, Qatar University, Qatar;4. Chemical Engineering Department, Taylors University, Malaysia |
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| Abstract: | As an alternative and renewable fuel, biodiesel can effectively reduce diesel engine emissions, especially particulate matter and dry soot. However, the biodiesel effects on emissions may vary as the source fuel changes. In this paper, the performance of five methyl esters with different sources was studied: cottonseed methyl ester (CME), soybean methyl ester (SME), rapeseed methyl ester (RME), palm oil methyl ester (PME) and waste cooking oil methyl ester (WME). Total particulate matter (PM), dry soot (DS), non-soot fraction (NSF), nitrogen oxide (NOx), unburned hydrocarbon (HC), and carbon monoxide (CO) were investigated on a Cummins ISBe6 Euro III diesel engine and compared with a baseline diesel fuel. Results show that using different methyl esters results in large PM reductions ranging from 53% to 69%, which include the DS reduction ranging from 79% to 83%. Both oxygen content and viscosity could influence the DS emission. Higher oxygen content leads to less DS at high load while lower viscosity results in less DS at low load. NSF decreases consistently as cetane number increases except for PME. The cetane number could be responsible for the large NSF difference between different methyl esters. |
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