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Study on oil film Model of Electronic Fuel Injection Motorcycle Engine cylinder

Energy Engineering 2021年第1期118卷 163-172页

作者： Shusheng Xiong Qiujie Song Wei Li Lian Xie College of Energy Engineering Zhejiang UniversityHangzhou310027China School of Mechanical Engineering Zhejiang UniversityHangzhou310027China Zhejiang FAI Electronics Co. Ltd.Hangzhou310027China

Based on the principles of heat transfer,an oil film model in the engine cylinder was *** the condition of cold state,the influence of factors such as engine fuel injection,fuel drop point,cylinder inner wall temperature,and inlet fluid on the oil film is comprehensively considered to establish an oil film quality prediction *** on the measurement of the compensation oil quantity in the transition conditions,the variation of the oil film during the transition is *** experimental results show that the velocity of the air-flow in the intake port and the temperature and pressure on the wall of the intake port are the main factors affecting the oil film in the *** on the abovementioned experimental and theoretical studies,an oil film distribution model for each cycle of the transition condition was established based on the engine inlet oil film *** experimental measurement curve and model prediction curve for the fuel compensation per cycle in the transition condition from 10%load to 30%*** model established can be in good agreement with the experimental results and meet the fuel compensation trend in the transition *** realizing the fuel compensation for the transient conditions,this work is definitely helpful to achieve accurate control of the air-fuel ratio.

关键词： Engine oil film in cylinder air-fuel ratio oil film model simulation

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