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| Effect of Piston Parameters on Oil Consumption of Diesel Engine |
| DOI： |
| Key Words:IC engine small diesel engine piston the dynamics oil consumption |
| Author Name | Affiliation | | WANG Jian,SUN Yongfu,XU Kang,ZENG Jinjin,LIU Shengji,ZHU Daoqing | 1.School of Automobile and Traffic Engineering,Jiangsu University, Zhenjiang 212013,China
2.Zhejiang Pioneer Electrical Co., Ltd., Jinhua 321016,China |
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| Abstract:A dynamic simulation model of piston and piston rings based on a single cylinder diesel engine was built with AVL Excite Piston & Rings software and the thermodynamic data were obtained using AVL Boost software, including gas temperature and heat transfer coefficient. The accuracy of the model was verified by tested engine oil consumption. The numerical analysis of the simulation model reveals that oil scraping and oil evaporation at the top land are the main factors of engine oil consumption. An optimal solution was achieved by the numerical simulation of the piston skirt, piston ring land gap and piston pin offset. With these optimized parameters, the amount of oil scraping was reduced by 64.9% and the oil consumption by 35.86%. |
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