吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (01): 45-50.

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Turbocharger matching to improve engine transient performance

ZHENG Guang-yong1,2, YU Xiu-min1, HOU Fu-jian2, GU Jing-zhe2, WEI Tao2   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2. Research and Development Center, FAW Group Corporation, Changchun 130011, China
  • Received:2012-01-10 Online:2013-01-01 Published:2013-01-01

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Abstract: A co-simulation platform was built using softwares GT-Power and Simulink to analyze the engine transient performance. The platform was used to simulate the transient process of a turbocharged engine, and a modified turbocharger variant was put forward to improve the transient performance of the engine. The simulated results were verified by engine tests, showing that the time for the load step of constant speed and increasing torque was reduced by 31%, and the vehicle accelerating time from 0 to 60 km/h was reduced by 8.7%. The test result trend was in good agreement with that of simulation, proving the feasibility of predicting the engine transient performance by simulation. The proposed simulation method may be used to analyze and evaluate the transient performances of the engine and the whole vehicle at the early stage of engine performance development, guide the matching of the turbocharger with the engine.

Key words: power machinery and engineering, engine, turbocharger matching, transient performance simulation, GT-Power

CLC Number: 

  • TK422
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