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Diesel Spray Liquid Length Imaging at High Pressure

Author

Listed:
  • Panos Sphicas

    (Department of Mechanical Engineering, School of Engineering, University of Birmingham, Dubai International Academic City, Dubai P.O. Box 341799, United Arab Emirates)

  • Apostolos Pesyridis

    (Department of Mechanical and Aerospace Engineering, College of Engineering, Design and Physical Sciences, Brunel University London, Uxbridge UB8 3PH, UK
    College of Engineering, Alasala University, Dammam 32324, Saudi Arabia)

Abstract

Engine efficiency and emissions depend on the fuel atomization and dispersion. The fuel atomization and dispersion depend heavily on the ambient pressure and temperature. In this work, to study Diesel sprays in engine conditions, an electrically heated, constant-volume, pressurized vessel was designed and manufactured. The controlling electronics and software were developed and tested to ensure safe and precise operation. A commercial Bosch six-hole automotive Diesel injector was used. The spray spatial and temporal development were studied. In the literature, spray liquid length and cone angle are extensively used to quantify fuel dispersion. In this work, these parameters were quantified using a high-speed shadowgraph technique. Models were derived to describe the temporal evolution of the liquid core. Such models can be used to predict the Diesel spray behaviour and the engine performance.

Suggested Citation

  • Panos Sphicas & Apostolos Pesyridis, 2023. "Diesel Spray Liquid Length Imaging at High Pressure," Energies, MDPI, vol. 16(6), pages 1-11, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:6:p:2874-:d:1102639
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