Atomization Process in Multi-hole Nozzle Spray for Port Fuel Injection (Third Report)

Jet configuration of a multi-hole nozzle spray for gasoline port injection is a liquid sheet. In this paper, novel modeling scheme of the generated droplets is reported. The spray atomization process is modeled using linear stability theory in liquid jet, including the injection feature of the liquid sheet, the breakup process of the liquid sheet, and the breakup process from ligaments to droplets. In addition, a model is proposed to provide the droplet size distribution using the statistical theory of uniform turbulence. As a result, it is found that the droplet generation length coincides quantitatively in the region where the wave growth rate is higher. However, due to the nonlinear effects of waves, the prediction accuracy of large droplet generation is reduced. Therefore, the experimental results of droplet generation length were used to correct the breakup time. The droplet size distribution modeled using the corrected breakup time can represent the atomization effect with changing fuel injection pressure.

• Record URL:
  https://doi.org/10.11351/jsaeronbun.52.1047
• Record URL:
  https://www.jstage.jst.go.jp/article/jsaeronbun/52/5/52_20214724/_pdf
• 
• Record URL:
  https://scholar.google.com/scholar_lookup?title=Atomization%20Process%20in%20Multi-hole%20Nozzle%20Spray%20for%20Port%20Fuel%20Injection%20(Third%20Report)&author=D.%20Matsuda&author=K.%20Nishimura&author=E.%20Matsumura&author=J.%20Senda&publication_year=2021
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/02878321
• Authors:
  • Matsuda, Dai
  • Nishimura, Kanako
  • Matsumura, Eriko
  • Senda, Jiro
• Publication Date: 2021-9

Language

• English
• Japanese

Media Info

• Media Type: Digital/other
• Features: Figures; References;
• Pagination: pp 1047-1052
• Serial:
  • Transactions of Society of Automotive Engineers of Japan
  • Volume: 52
  • Issue Number: 5
  • Publisher: Society of Automotive Engineers of Japan
  • ISSN: 0287-8321
  • EISSN: 1883-0811
  • Serial URL: https://www.jstage.jst.go.jp/browse/jsaeronbun
• Publication flags:

  Open Access (libre)

Subject/Index Terms

• TRT Terms: Fuel injection; Fuel injectors; Gasoline engines; Mathematical models; Nozzles; Sprays (Materials)
• Subject Areas: Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 01787944
• Record Type: Publication
• Source Agency: Japan Science and Technology Agency (JST)
• Files: TRIS, JSTAGE
• Created Date: Nov 12 2021 5:23PM