Study on pilot injection of DI diesel engine using common-rail injection system |
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| Affiliation: | 1. Group 2, Nippon Soken, Inc., Iwaya 14, Simohasumi-cho, Nishio-shi, Aichi 445-0012, Japan;2. Power Train Engineering Div. I, Toyota Motor Corp., Toyota-cho 1, Toyota-shi, Aichi 471-8572, Japan;1. Department of Mechanical Engineering, KAIST (Korea Advanced Institute of Science and Technology), Republic of Korea;2. Passenger Car Diesel Engine Performance Test Team, Hyundai Motor Company, Republic of Korea;1. Faculty of Engineering, Division of Combustion Engines, Lund University, 21100 Lund, Sweden;2. Faculty of Technology, Department of Mechanical Engineering, Sakarya University, 54187 Sakarya, Turkey;1. School of Energy and Power Engineering, Dalian University of Technology, PR China;2. State Key Laboratory of Engines, Tianjin University, PR China;1. Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran;2. Faculty of Mechanical Engineering, Sahand University of Technology, Sahand New Town, Tabriz, Iran;3. Mechanical Engineering Department, Faculty of Engineering, Girne American University, Girne, N. Cyprus Via Mersin 10, Turkey;4. Department of Mechanical Engineering, Islamic Azad University, Shabestar Branch, Shabestar, Iran;5. Flow and Thermal Architect, ASML B.V., Veldhoven, Netherlands;6. Institute of Fluid Machinery, Karlsruhe Institute of Technology, Karlsruhe, Germany |
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| Abstract: | In recent DI diesel engines designed to achieve high output and meet future exhaust regulation, the pilot injection control using a common-rail injection system is adopted. In this research, we developed visualization equipment for pilot combustion behavior of non-luminous flame to clarify the influence of pilot injection parameters (timing and quantity) on engine performance. As a result of this analysis, we clarified the influence of pilot injection parameters on pilot-main combustion and found the optimum pilot injection controlling method. |
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