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ISSN 打印: 1044-5110

ISSN 在线: 1936-2684

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EFFECTS OF CANTED INJECTION ANGLES ON THE SPRAY CHARACTERISTICS OF LIQUID JETS IN SUBSONIC CROSSFLOWS

卷 20, 册 9, 2010, pp. 749-762
DOI: 10.1615/AtomizSpr.v20.i9.10
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摘要

The effects of variably angled injection characteristics such as liquid column trajectory and liquid column breakup length have been experimentally studied in liquid jets injected into subsonic crossflow. The fuel injection velocity and injection angle were varied to provide jet operation conditions. The pulsed shadowgraph photography with high resolution and planar liquid laser induced fluorescence measurements were used to determine the liquid column trajectory and liquid column breakup length of angles of spray in a subsonic crossflow of the airstream. The main objectives of this research are to obtain the empirical formula of the liquid column trajectory and breakup length when the injection angle is <90 deg, and these results are compared to previous results. Also in this study, the empirical formula of the trajectory in the liquid column region by the reverse injection angle of subsonic airflow was derived. As a result, this research has shown that liquid column trajectories and liquid column breakup lengths were spatially dependent on airstream velocities, fuel-injection velocities, various injection angles, and normalized injector exit diameters. Furthermore, the empirical formulas of liquid column trajectories and breakup length have different drag coefficient results between forward injection and reverse angle injection in subsonic crossflow.

对本文的引用
  1. Song Jinkwan, Ahn Kyubok, Kim Min-Ki, Yoon Youngbin, Effects of Orifice Internal Flow on Liquid Jets in Subsonic Crossflows, Journal of Propulsion and Power, 27, 3, 2011. Crossref

  2. Song Jinkwan, Ahn Kyubok, Kim Min-Ki, Yoon Youngbin, Effects of Orifice Internal Flow on Liquid Jets in Subsonic Crossflows, Journal of Propulsion and Power, 27, 3, 2011. Crossref

  3. Broumand M., Birouk M., Liquid jet in a subsonic gaseous crossflow: Recent progress and remaining challenges, Progress in Energy and Combustion Science, 57, 2016. Crossref

  4. Ghasemi Abbas, Li Xianguo, Vortex break-down during the impact of a starting subsonic compressible gas jet on a multi-plume spray, Journal of Visualization, 19, 4, 2016. Crossref

  5. Rezayat S., Farshchi M., Karimi H., Kebriaee A., Spray Characterization of a Slinger Injector Using a High-Speed Imaging Technique, Journal of Propulsion and Power, 34, 2, 2018. Crossref

  6. Ghasemi Abbas, Pereira Aaron, Li Xianguo, Ren Yi, Multi-plume sprays interacting with subsonic compressible gas jets, Applied Energy, 190, 2017. Crossref

  7. Rezayat Sajjad, Farshchi Mohammad, Ghorbanhoseini Mostafa, Primary breakup dynamics and spray characteristics of a rotary atomizer with radial-axial discharge channels, International Journal of Multiphase Flow, 111, 2019. Crossref

  8. Spiteri Alexander, Dimopoulos Eggenschwiler Panayotis, Experimental Fluid Dynamic Investigation of Urea–Water Sprays for Diesel Selective Catalytic Reduction–DeNOx Applications, Industrial & Engineering Chemistry Research, 53, 8, 2014. Crossref

  9. Carnero D., Treviño C., Martínez-Suástegui L., Experimental investigation of opposed rectangular impinging jets confined in an open cavity with vertical crossflow in a rectangular duct, International Journal of Heat and Mass Transfer, 145, 2019. Crossref

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