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Investigation on Primary Breakup of High-Pressure Diesel Spray Atomization by Method of Automatic Identifying Droplet Feature Based on Eulerian–Lagrangian Model

Author

Listed:
  • Yan Lei

    (Department of Automotive Engineering, Beijing University of Technology, Beijing 100124, China)

  • Yue Wu

    (Department of Automotive Engineering, Beijing University of Technology, Beijing 100124, China)

  • Dingwu Zhou

    (Department of Automotive Application, Hunan Automotive Engineering Vocational College, Zhuzhou 412001, China)

  • Kaixin Wang

    (Beijing Aerospace Technology Institute, Beijing 100176, China)

  • Tao Qiu

    (Department of Automotive Engineering, Beijing University of Technology, Beijing 100124, China)

  • Yuwan Deng

    (Department of Automotive Engineering, Beijing University of Technology, Beijing 100124, China)

  • Dan Zhou

    (Art Design Institute, Hunan Women’s University, Changsha 410004, China)

Abstract

To investigate primary breakup close to an injector, this paper presents both experimental and numerical research on high-pressure common-rail diesel injection. We propose a new method named SD-ELSA model to realize automatically identifying droplet features for high-pressure diesel spray based on the classic ELSA (Eulerian Lagrangian Spray Atomization) model; this method is suitable for varied injection operation conditions. The SD-ELSA first identifies the liquid bulk due to breakup of the continuous phase in near field, and then converts the Eulerian liquid bulk into Lagrangian particles to complete the calculation of the total spray atomization. The SD-ELSA model adopts two key criteria, i.e., the sphericity (S) and the particle diameter (D); the qualified liquid mass is transformed into Lagrangian particle, realizing the coupling of the Eulerian–Lagrangian model. The SD-ELSA model illustrates the total diesel spray atomization process from the breakup liquid column to the droplets.

Suggested Citation

  • Yan Lei & Yue Wu & Dingwu Zhou & Kaixin Wang & Tao Qiu & Yuwan Deng & Dan Zhou, 2022. "Investigation on Primary Breakup of High-Pressure Diesel Spray Atomization by Method of Automatic Identifying Droplet Feature Based on Eulerian–Lagrangian Model," Energies, MDPI, vol. 15(3), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:867-:d:733356
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    References listed on IDEAS

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    1. Lei, Yan & Liu, Jiaxing & Qiu, Tao & Mi, Jianchun & Liu, Xianwu & Zhao, Ning & Peng, Guangyu, 2019. "Effect of injection dynamic behavior on fuel spray penetration of common-rail injector," Energy, Elsevier, vol. 188(C).
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    Cited by:

    1. Yan Lei & Xiaojie Liang & Dingwu Zhou & Tao Qiu & Kaixin Wang & Yue Wu, 2022. "Effect of Particle Diameter on Primary Breakup of High-Pressure Diesel Spray Atomization: A Study Based on Numerical Simulations Using the Eulerian–Lagrangian Model," Energies, MDPI, vol. 16(1), pages 1-24, December.

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