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Effects of lean combustion coupling with intake tumble on economy and emission performance of gasoline engine

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  • Zhou, Feng
  • Fu, Jianqin
  • Ke, Wenhui
  • Liu, Jingping
  • Yuan, Zhipeng
  • Luo, Baojun

Abstract

To improve the economy and emission performance of automotive gasoline engine, the approach of lean combustion coupling with intake tumble was investigated. A port blocker was designed on intake manifold so as to generate intake tumble, and then the sweeping test of excess air coefficient was conducted under engine common conditions (2000 r/min, 2.6 bar) in two port blocker states (opening and closing). On this basis, the effects of lean combustion coupling with intake tumble on the working process, combustion and emission performance of gasoline engine were studied. The tested results indicate that lean combustion limit is obviously extended with acceptable combustion stability by utilizing intake tumble, thus the potential of energy conservation and emission reduction by lean combustion can be further enhanced. Compared with the initial state of original engine (λ = 1.0, port blocker closing), the indicated thermal efficiency can be increased by 7.2%, and the specific emissions of CO2, CO, HC and NOX can be reduced by 5.8%, 72.2%, 12.0% and 85.3% at most, respectively. In particular, the minimum specific emission of NOX is only 2.0 g/(kW·h). The results demonstrate that lean combustion coupling with intake tumble has great potential of energy conservation and emission reduction for gasoline engine.

Suggested Citation

  • Zhou, Feng & Fu, Jianqin & Ke, Wenhui & Liu, Jingping & Yuan, Zhipeng & Luo, Baojun, 2017. "Effects of lean combustion coupling with intake tumble on economy and emission performance of gasoline engine," Energy, Elsevier, vol. 133(C), pages 366-379.
    • Handle: RePEc:eee:energy:v:133:y:2017:i:c:p:366-379
    DOI: 10.1016/j.energy.2017.05.131
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    Citations

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    Cited by:

    1. Mourad, M. & Mahmoud, Khaled R.M., 2018. "Performance investigation of passenger vehicle fueled by propanol/gasoline blend according to a city driving cycle," Energy, Elsevier, vol. 149(C), pages 741-749.
    2. Liu, Zuowen & Zheng, Zhaolei, 2024. "The effect of ignition energy on the lean combustion limitation in high compression ratio engines," Energy, Elsevier, vol. 301(C).
    3. Jia, Huiqiao & Zou, Chun & Lu, Lixin & Qian, Xiang & Yao, Hong, 2019. "Ignition of CH4 intensely diluted with CO2 versus hot O2/CO2 with high oxygen concentration in a counterflow jets," Energy, Elsevier, vol. 177(C), pages 412-420.
    4. Fridrichová, K. & Drápal, L. & Vopařil, J. & Dlugoš, J., 2021. "Overview of the potential and limitations of cylinder deactivation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 146(C).
    5. Hamid, M. Fadzli & Idroas, M. Yusof & Mazlan, M. & Sa'ad, S. & Teoh, Y.H. & Che Mat, S. & Miskam, M.A. & Abdullah, M.K., 2022. "Methods for improving the in-cylinder airflow characteristics for sustainable transportation using fuels with higher viscosity: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
    6. Su, Yu-Hsuan & Kuo, Ting-Fu, 2019. "CFD-assisted analysis of the characteristics of stratified-charge combustion inside a wall-guided gasoline direct injection engine," Energy, Elsevier, vol. 175(C), pages 151-164.
    7. Jia, Huiqiao & Zou, Chun & Lu, Lixin & Zheng, Hangfei & Qian, Xiang & Yao, Hong, 2018. "Ignition of CH4 intensely diluted with N2 and CO2 versus hot air in a counterflow jets," Energy, Elsevier, vol. 165(PB), pages 315-325.
    8. Huang, Shuai & Li, Tie & Zhang, Zhifei & Wang, Linyan & Yu, Xiao & Zheng, Ming & Yang, Rundai & Zhao, Xinwu, 2021. "Influencing factors on the vibrational and rotational temperatures in the spark discharge channel," Energy, Elsevier, vol. 222(C).
    9. Wang, Rumin & Qiao, Junhao & Jia, Dongdong & Shen, Dazhi & Duan, Xiongbo & Liu, Jingping, 2024. "Effects of asynchronous late intake valve closing combined with high geometric compression ratio and exhaust gas recirculation on combustion and fuel consumption in a turbocharged SI engine:An experim," Energy, Elsevier, vol. 290(C).
    10. d'Adamo, A. & Iacovano, C. & Fontanesi, S., 2020. "Large-Eddy simulation of lean and ultra-lean combustion using advanced ignition modelling in a transparent combustion chamber engine," Applied Energy, Elsevier, vol. 280(C).

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