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An Experimental Investigation on the Combustion and Heat Release Characteristics of an Opposed-Piston Folded-Cranktrain Diesel Engine

Author

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  • Fukang Ma

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China
    School of Mechanical and Power Engineering, North University of China, University Road No.3, Taiyuan 030051, China)

  • Changlu Zhao

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

  • Fujun Zhang

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

  • Zhenfeng Zhao

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

  • Zhenyu Zhang

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

  • Zhaoyi Xie

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

  • Hao Wang

    (School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Zhongguancun South Street No.5, Beijing 100081, China)

Abstract

In opposed-piston folded-cranktrain diesel engines, the relative movement rules of opposed-pistons, combustion chamber components and injector position are different from those of conventional diesel engines. The combustion and heat release characteristics of an opposed-piston folded-cranktrain diesel engine under different operating conditions were investigated. Four phases: ignition delay, premixed combustion, diffusion combustion and after combustion are used to describe the heat release process of the engine. Load changing has a small effect on premixed combustion duration while it influences diffusion combustion duration significantly. The heat release process has more significant isochoric and isobaric combustion which differs from the conventional diesel engine situation, except at high exhaust pressure and temperature, due to its two-stroke and uniflow scavenging characteristics. Meanwhile, a relatively high-quality exhaust heat energy is produced in opposed-piston folded-cranktrain diesel engines.

Suggested Citation

  • Fukang Ma & Changlu Zhao & Fujun Zhang & Zhenfeng Zhao & Zhenyu Zhang & Zhaoyi Xie & Hao Wang, 2015. "An Experimental Investigation on the Combustion and Heat Release Characteristics of an Opposed-Piston Folded-Cranktrain Diesel Engine," Energies, MDPI, vol. 8(7), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:7:p:6365-6381:d:51643
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Giorgio Zamboni, 2018. "A Study on Combustion Parameters in an Automotive Turbocharged Diesel Engine," Energies, MDPI, vol. 11(10), pages 1-21, September.
    2. Yuan, Chenheng & Lu, Jiangchuan & Peng, Shizhou & Wu, QingLong, 2024. "A multi-process coupling study of secondary injection effect on combustion characteristics of a vibration thermoelectric combustor," Energy, Elsevier, vol. 304(C).
    3. Fukang Ma & Zhenfeng Zhao & Yangang Zhang & Jun Wang & Yaonan Feng & Tiexiong Su & Yi Zhang & Yuhang Liu, 2017. "Simulation Modeling Method and Experimental Investigation on the Uniflow Scavenging System of an Opposed-Piston Folded-Cranktrain Diesel Engine," Energies, MDPI, vol. 10(5), pages 1-18, May.
    4. Lei Zhang & Tiexiong Su & Yangang Zhang & Fukang Ma & Jinguan Yin & Yaonan Feng, 2017. "Numerical Investigation of the Effects of Split Injection Strategies on Combustion and Emission in an Opposed-Piston, Opposed-Cylinder (OPOC) Two-Stroke Diesel Engine," Energies, MDPI, vol. 10(5), pages 1-17, May.
    5. Fukang Ma & Wei Yang & Junfeng Xu & Yufeng Li & Zhenfeng Zhao & Zhenyu Zhang & Yifang Wang, 2021. "Experimental Investigation of Combustion Characteristics on Opposed Piston Two-Stroke Gasoline Direct Injection Engine," Energies, MDPI, vol. 14(8), pages 1-23, April.
    6. Fu-Kang Ma & Jun Wang & Yao-Nan Feng & Yan-Gang Zhang & Tie-Xiong Su & Yi Zhang & Yu-Hang Liu, 2017. "Parameter Optimization on the Uniflow Scavenging System of an OP2S-GDI Engine Based on Indicated Mean Effective Pressure (IMEP)," Energies, MDPI, vol. 10(3), pages 1-20, March.
    7. Yuan, Chenheng & Peng, Shizhuo & Zhou, Lifu, 2023. "Multi-field coupling effect of injection on dynamics and thermodynamics of a linear combustion engine generator with slow compression and fast expansion," Energy, Elsevier, vol. 270(C).
    8. Xu, Zheng & Ji, Fenzhu & Ding, Shuiting & Zhao, Yunhai & Zhang, Xiangbo & Zhou, Yu & Zhang, Qi & Du, Farong, 2020. "High-altitude performance and improvement methods of poppet valves 2-stroke aircraft diesel engine," Applied Energy, Elsevier, vol. 276(C).

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