Analysis of corrosive wear of diesel engines: relationship to sulfate ion concentrations in blowby and crankcase oil |
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| Institution: | 1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, 212013, China;2. Key Laboratory of Clean Energy and Carbon Neutrality of Zhejiang Province, Zhejiang University, Hangzhou, 310027, China;3. Jiaxing Research Institute, Zhejiang University, Jiaxing, 314031, China;4. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China;5. Power Machinery and Vehicular Engineering Institute, Zhejiang University, Hangzhou, 310027, China;1. Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon 47000, Thailand;2. Biomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon 47000, Thailand;3. Innovation in Chemistry for Community Research Unit, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon 47000, Thailand;4. Program of Mechanical and Industrial Engineering, Faculty of Industrial Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon 47000 Thailand;5. Program of Chemistry, Faculty of Science, Ubon Ratchathani Rajabhat University, Mueang District, Ubon Ratchathani 34000, Thailand;6. Department of Biochemistry, Faculty of Science, Khon Kaen University, Mueang District, Khon Kaen 40002, Thailand;7. National Energy Technology Center (ENTEC), 114 Thailand Science Park, Phahonyothin Road, Klong Luang, Prathumthani 12120, Thailand;8. Department of Material Science and Engineering, School of Molecular Science & Engineering, Vidyasirimedhi Institute of Science and Technology, Wangchan, Rayong 21210, Thailand;1. Central Laboratory Application and Research Center, Bingöl University, Bingöl 12100, Türkiye;2. Mu? Alparslan University, Engineering and Architecture Faculty, Department of Mechanical Engineering, Mu? 49100, Türkiye;3. Sakarya University of Applied Science, Arifiye Vocational Scholl, Motor Vehicles and Transportation Tech. Dep., Sakarya 54100, Türkiye;4. Sakarya University of Applied Sciences Automotive Technologies Application and Research Center, Sakarya, Turkey;5. Bilecik ?eyh Edebali University, Engineering Faculty, Department of Mechanical Engineering Bilecik TR 11100, Türkiye;1. Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK;2. Innospec Ltd., Oil Sites Road, Ellesmere Port CH65 4EY, UK;3. School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK;1. College of Power and Energy Engineering, Harbin Engineering University, Harbin, China;2. College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, China;3. China Automotive Technology and Research Center Co., Ltd., Tianjin, China;4. School of Mechanical Engineering, University of Leeds, Leeds, UK |
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| Abstract: | This paper presents an analysis of the mechanism whereby sulfate ions are produced and intermix with the crankcase oil. A blowby sampling device was used to obtain samples for measuring the sulfate ion concentration in the blowby condensate. It was found that sulfate ions, which cause corrosive wear of diesel engines, are produced by water vapor and SOx present in gases in the combustion chamber during the compression stroke. It was also found that sulfate ions intermix with the oil on the cylinder bore during the compression stroke. |
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