| 一种可变压缩比汽油机的方案设计与性能仿真研究 |
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| 引用本文： | 崔彪,常思勤,李子非.一种可变压缩比汽油机的方案设计与性能仿真研究[J].拖拉机与农用运输车,2011,38(5):32-35. |
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| 作者姓名： | 崔彪 常思勤 李子非 |
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| 作者单位： | 南京理工大学机械工程学院,南京,210094 |
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| 摘 要： | 研究了一种通过压力自适应活塞来实现汽油机可变压缩比的方案,自行推导了其动力学方程,并基于MATLAB/S imu link对该可变压缩比汽油机缸内工作过程进行了建模及性能仿真。结果表明,可变压缩比技术可以显著改善汽油机的燃油经济性,也可以避免爆震燃烧的产生。
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| 关 键 词： | 压力自适应活塞 可变压缩比 汽油机 经济性 |
Variable Compression Ratio Technology Investigation for Spark Ignition Engine |
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| CUI Biao,CHANG Si-qin,LI Zi-fei.Variable Compression Ratio Technology Investigation for Spark Ignition Engine[J].Tractor & Farm Transporter,2011,38(5):32-35. |
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| Authors: | CUI Biao CHANG Si-qin LI Zi-fei |
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| Affiliation: | CUI Biao,CHANG Si-qin,LI Zi-fei(School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China) |
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| Abstract: | A variable compression ratio（VCR） project depending on pressure reactive piston（PRP） technology is investigated.The basic dynamics equation is derived and the theoretical analysis is made.The cylinder working process of VCR spark ignition（SI） engine is simulated based on MATLAB-Simulink.The calculation result shows that VCR technology can improve fuel economy effectively at part load and prevent knocking at high load. |
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| Keywords: | Pressure reactive piston Variable compression ratio SI engine Fuel economy |
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