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Ultra-high speed imaging study of the diesel spray close to the injector tip at the initial opening stage with split injection

Author

Listed:
  • Wang, Ziman
  • Ding, Haichun
  • Ma, Xiao
  • Xu, Hongming
  • Wyszynski, Miroslaw L.

Abstract

This study focused on the primary breakup of diesel spray at the initial injector opening stage with split injection strategy at injection to atmospheric conditions. An ultrahigh speed CCD camera was employed to investigate the primary breakup of spray by photography technique with the help of backlighting. The injection pressure, dwell duration, distribution of injection duration between split injections and the number of the splits significantly affected the strength of primary collision and thus the primary breakup characteristics. Besides, the spray characteristics of the split injections except those of the first split injection were simultaneously affected by three main factors, namely, induced air driving force, lower mass flow rate and primary collision. The combined influence of the injection pressure, injection duration distribution and dwell duration determined the main effect on the affected split injections.

Suggested Citation

  • Wang, Ziman & Ding, Haichun & Ma, Xiao & Xu, Hongming & Wyszynski, Miroslaw L., 2016. "Ultra-high speed imaging study of the diesel spray close to the injector tip at the initial opening stage with split injection," Applied Energy, Elsevier, vol. 163(C), pages 105-117.
    • Handle: RePEc:eee:appene:v:163:y:2016:i:c:p:105-117
    DOI: 10.1016/j.apenergy.2015.10.155
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    Citations

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    Cited by:

    1. G.M. Hasan Shahariar & Ock Taeck Lim, 2018. "A Study on Urea-Water Solution Spray-Wall Impingement Process and Solid Deposit Formation in Urea-SCR de-NO x System," Energies, MDPI, vol. 12(1), pages 1-18, December.
    2. Wang, Ziman & Badawy, Tawfik & Wang, Bo & Jiang, Yizhou & Xu, Hongming, 2017. "Experimental characterization of closely coupled split isooctane sprays under flash boiling conditions," Applied Energy, Elsevier, vol. 193(C), pages 199-209.
    3. Liao, Yujun & Dimopoulos Eggenschwiler, Panayotis & Rentsch, Daniel & Curto, Francesco & Boulouchos, Konstantinos, 2017. "Characterization of the urea-water spray impingement in diesel selective catalytic reduction systems," Applied Energy, Elsevier, vol. 205(C), pages 964-975.
    4. Liu, Fushui & Li, Zhishuang & Wang, Ziman & Dai, Xiaoyu & He, Xu & Lee, Chia-Fon, 2018. "Microscopic study on diesel spray under cavitating conditions by injecting fuel into water," Applied Energy, Elsevier, vol. 230(C), pages 1172-1181.
    5. Wang, Ziman & Guo, Hengjie & Wang, Chongming & Xu, Hongming & Li, Yanfei, 2017. "Microscopic level study on the spray impingement process and characteristics," Applied Energy, Elsevier, vol. 197(C), pages 114-123.
    6. Pos, Radboud & Wardle, Robert & Cracknell, Roger & Ganippa, Lionel, 2017. "Spatio-temporal evolution of diesel sprays at the early start of injection," Applied Energy, Elsevier, vol. 205(C), pages 391-398.
    7. Wang, Ziman & Wang, Bo & Jiang, Changzhao & Xu, Hongming & Badawy, Tawfik, 2016. "Microscopic characterization of isooctane spray in the near field under flash boiling condition," Applied Energy, Elsevier, vol. 180(C), pages 598-606.
    8. Hwang, Joonsik & Bae, Choongsik & Patel, Chetankumar & Agarwal, Rashmi A. & Gupta, Tarun & Kumar Agarwal, Avinash, 2017. "Investigations on air-fuel mixing and flame characteristics of biodiesel fuels for diesel engine application," Applied Energy, Elsevier, vol. 206(C), pages 1203-1213.
    9. Xu, Leilei & Bai, Xue-Song & Jia, Ming & Qian, Yong & Qiao, Xinqi & Lu, Xingcai, 2018. "Experimental and modeling study of liquid fuel injection and combustion in diesel engines with a common rail injection system," Applied Energy, Elsevier, vol. 230(C), pages 287-304.
    10. de la Garza, Oscar A. & Martínez-Martínez, S. & Avulapati, Madan Mohan & Pos, Radboud & Megaritis, Thanos & Ganippa, Lionel, 2021. "Biofuels and its spray interactions under pilot-main injection strategy," Energy, Elsevier, vol. 219(C).
    11. Wang, Ziman & Jiang, Changzhao & Xu, Hongming & Badawy, Tawfik & Wang, Bo & Jiang, Yizhou, 2017. "The influence of flash boiling conditions on spray characteristics with closely coupled split injection strategy," Applied Energy, Elsevier, vol. 187(C), pages 523-533.
    12. Zhishuang Li & Ziman Wang & Haoyang Mo & Han Wu, 2022. "Effect of the Air Flow on the Combustion Process and Preheating Effect of the Intake Manifold Burner," Energies, MDPI, vol. 15(9), pages 1-17, April.

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