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Composite Intake Ports Interference Mechanism and Application in Dual Intake Channels of the Opposed-Piston Diesel Engine

Author

Listed:
  • Yongsen Liang

    (School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
    China North Engine Research Institute, Tianjin 300400, China)

  • Wenxiao Wang

    (China North Vehicle Research Institute, Beijing 100072, China)

  • Zhengxing Zuo

    (School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China)

  • Boru Jia

    (School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China)

  • Wei Wang

    (School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China)

  • Yonghong Xu

    (School of Electrical and Mechanical Engineering, Beijing Information Science and Technology University, Beijing 100192, China)

Abstract

With the development of control technology, the uniflow scavenging opposed-piston (USOP) diesel engine has shown unique advantages in energy savings and emission reductions. Due to the uniflow scavenging process, unstable scavenging performance has become the key problem in the development process of the USOP diesel engine, and the intake structure is an effective method for regulating scavenging performance. This study verifies the simulation model based on experimental data and then analyzes the influence of the intake port structure through simulations. On the one hand, this study explores the interference mechanism and application rules of two structures: composite intake ports and dual independent intake ports. The results show that the external alignment structure should be used under all operating conditions for composite intake ports. For dual independent intake ports, the internal alignment structure should be used at high swirl strength, and the external alignment structure should be used at low swirl strength. On the other hand, the dual independent intake ports matching the dual intake channels can improve scavenging performance while reducing supply power. The conclusion provides a reference for the design of the intake structure of the USOP diesel engine from many aspects.

Suggested Citation

  • Yongsen Liang & Wenxiao Wang & Zhengxing Zuo & Boru Jia & Wei Wang & Yonghong Xu, 2024. "Composite Intake Ports Interference Mechanism and Application in Dual Intake Channels of the Opposed-Piston Diesel Engine," Sustainability, MDPI, vol. 16(19), pages 1-20, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:19:p:8489-:d:1488861
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    References listed on IDEAS

    as
    1. Guo, Chendong & Zuo, Zhengxing & Feng, Huihua & Jia, Boru & Roskilly, Tony, 2020. "Review of recent advances of free-piston internal combustion engine linear generator," Applied Energy, Elsevier, vol. 269(C).
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    3. Serrano, José Ramón & García, Antonio & Monsalve-Serrano, Javier & Martínez-Boggio, Santiago, 2021. "High efficiency two stroke opposed piston engine for plug-in hybrid electric vehicle applications: Evaluation under homologation and real driving conditions," Applied Energy, Elsevier, vol. 282(PA).
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