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Atomization and Sprays
Editor-in-Chief Europe: Günter Brenn (open in a new tab)
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ISSN Печать: 1044-5110

ISSN Онлайн: 1936-2684

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SPRAY BEHAVIOR OF THE ROTARY ATOMIZER WITH IN-LINE INJECTION ORIFICES

Том 20, Выпуск 10, 2010, pp. 863-875
DOI: 10.1615/AtomizSpr.v20.i10.30
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Краткое описание

In this study, the disintegration of a liquid by a rotary atomizer is characterized. Correlations of the relevant variables with regard to spray performance were experimentally investigated. Seven variants of a rotary atomizer with an inline array of injection orifices were evaluated. The diameter of the injection orifice was varied from 1 to 5 mm, and the number of injection orifices was varied from three to 12. The droplet size, velocity, and spray distribution were measured using a phase Doppler particle analyzer system, and the spray was visualized using Nd-Yag laser flashed photos. In the visualization, three spray patterns were observed. Ligament spray was observed with the small orifice diameters of 1 and 2 mm. A liquid film breakup pattern was observed over most of the experimental conditions. In some cases, at a low rotational speed or a high mass flow rate, irregular spray patterns were observed. From the droplet size measurements, the shapes of the liquid columns and liquid films generated from the in-line injection orifices played important roles in the liquid drop size. Considering the relationships between the measured droplet sizes and the relevant variables, the primary variable affecting droplet size was liquid film thickness. Consequently, we obtained correlations between the nondimensional droplet size and the nondimensional theoretical liquid film thickness.

ЦИТИРОВАНО В
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  2. 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

  3. Wang Zhixuan, Mo Genlin, Sun Xingchao, Ma Zhongfei, Study on Characteristics of Self-rotating Spray with Pre-mixed Compressed Air and Low-pressure Water for Extinguishing Class B fires, IOP Conference Series: Materials Science and Engineering, 490, 2019. Crossref

  4. Sahu Srikrishna, Chakraborty Arnab, Maurya Dalton, Coriolis-induced liquid breakup and spray evolution in a rotary slinger atomizer: Experiments and analysis, International Journal of Multiphase Flow, 135, 2021. Crossref

  5. Rezayat Sajjad, Farshchi Mohammad, Effects of Radial–Tangential Discharge Channels on a Rotary Atomizer Performance, AIAA Journal, 59, 6, 2021. Crossref

  6. Dubey Abhishek, Nema Pooja, Kushari Abhijit, Investigation of Reverse Flow Slinger Combustor With Jet A-1 and Methanol, Journal of Engineering for Gas Turbines and Power, 143, 9, 2021. Crossref

  7. Sun Daoan, Cai Wenzhe, Li Chunying, Lu Jian, Experimental study on atomization characteristics of high-energy-density fuels using a fuel slinger, Energy, 234, 2021. Crossref

  8. Cohen Ariel Y., Sattarov Artemii, Claramunt Kilian, Anker Jan E., Romagnosi Luigi, Baux Yannick, Hirsch Charles, Simulation and analysis of an aero-engine combustor with a slinger fuel injection system, International Journal of Turbo & Jet-Engines, 2021. Crossref

  9. Cohen Ariel Y., Sattarov Artemii, Claramunt Kilian, Anker Jan E., Romagnosi Luigi, Baux Yannick, Hirsch Charles, Simulation and analysis of an aero-engine combustor with a slinger fuel injection system, International Journal of Turbo & Jet-Engines, 2021. Crossref

  10. Chakraborty Arnab, Das Mithun, Sahu Srikrishna, Maurya Dalton, A Parametric Study on Rotary Slinger Spray Characteristics Using Laser Diagnostics, in Proceedings of the National Aerospace Propulsion Conference, 2023. Crossref

  11. Chakraborty Arnab, Sahu Srikrishna, Maurya Dalton, Effect of orifice size on liquid breakup dynamics and spray characteristics in slinger atomizers, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 236, 6, 2022. Crossref

  12. Seo Yechan, Ryu Gyongwon, Shim Hyeonseok, Lee Jeekeun, An experimental study on the low-temperature spray characteristics of aviation Jet A-1 fuel with rotational speeds in a slinger-type atomizer, Fuel, 331, 2023. Crossref

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