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Simulation of quasi-dimensional model for diesel engine working process 被引量:1
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作者 齐鲲鹏 冯立岩 +2 位作者 冷先银 田江平 隆武强 《Journal of Central South University》 SCIE EI CAS 2010年第4期868-872,共5页
In order to satisfy the demand of validity and real time operating performance of diesel engine model used in hardware-in-the-loop simulation system,a simplified quasi-dimensional model for diesel engine working proce... In order to satisfy the demand of validity and real time operating performance of diesel engine model used in hardware-in-the-loop simulation system,a simplified quasi-dimensional model for diesel engine working process was proposed,which was based on the phase-divided spray mixing model.The software MATLAB/Simulink was utilized to simulate diesel engine performance parameters.The comparisons between calculated results and experimental data show that the relative error of power and brake specific fuel consumption is less than 2.8%,and the relative error of nitric oxide and soot emissions is less than 9.1%.At the same time,the average computational time for simulation of one working process with the new model is 36 s,which presents good real time operating performance of the model.The simulation results also indicate that the nozzle flow coefficient has great influence on the prediction precision of performance parameters in diesel engine simulation model. 展开更多
关键词 diesel engine phase-divided spray mixing model quasi-dimensional model MATLAB/SIMULINK prediction precision
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