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Experimental and Numerical Study of Jet Controlled Compression Ignition on Combustion Phasing Control in Diesel Premixed Compression Ignition Systems

Author

Listed:
  • Qiang Zhang

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Wuqiang Long

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Jiangping Tian

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Yicong Wang

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Xiangyu Meng

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

Abstract

In order to directly control the premixed combustion phasing, a Jet Controlled Compression Ignition (JCCI) for diesel premixed compression ignition systems is investigated. Experiments were conducted on a single cylinder natural aspirated diesel engine without EGR at 3000 rpm. Numerical models were validated by load sweep experiments at fixed spark timing. Detailed combustion characteristics were analyzed based on the BMEP of 2.18 bar. The simulation results showed that the high temperature jets of reacting active radical species issued from the ignition chamber played an important role on the onset of combustion in the JCCI system. The combustion of diesel pre-mixtures was initiated rapidly by the combustion products issued from the ignition chamber. Moreover, the flame propagation was not obvious, similar to that in Pre-mixed Charge Compression Ignition (PCCI). Consequently, spark timing sweep experiments were conducted. The results showed a good linear relationship between spark timing in the ignition chamber and CA10 and CA50, which indicated the ability for direct combustion phasing control in diesel PCCI. The NO x and soot emissions gradually changed with the decrease of spark advance angle. The maximum reduction of NO x and soot were both over 90%, and HC and CO emissions were increased.

Suggested Citation

  • Qiang Zhang & Wuqiang Long & Jiangping Tian & Yicong Wang & Xiangyu Meng, 2014. "Experimental and Numerical Study of Jet Controlled Compression Ignition on Combustion Phasing Control in Diesel Premixed Compression Ignition Systems," Energies, MDPI, vol. 7(7), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:7:p:4519-4531:d:38182
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    References listed on IDEAS

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    1. Jia, Ming & Xie, Maozhao & Wang, Tianyou & Peng, Zhijun, 2011. "The effect of injection timing and intake valve close timing on performance and emissions of diesel PCCI engine with a full engine cycle CFD simulation," Applied Energy, Elsevier, vol. 88(9), pages 2967-2975.
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    Cited by:

    1. Hua Tian & Jingchen Cui & Tianhao Yang & Yao Fu & Jiangping Tian & Wuqiang Long, 2019. "Experimental Research on Controllability and Emissions of Jet-Controlled Compression Ignition Engine," Energies, MDPI, vol. 12(15), pages 1-14, July.
    2. Yontar, Ahmet Alper, 2020. "A comparative study to evaluate the effects of pre-chamber jet ignition for engine characteristics and emission formations at high speed," Energy, Elsevier, vol. 210(C).

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