Abstract
We studied fuel atomization in an air-assisted atomizer of aircraft engine with volume-of-fluid method in microgravitation approximation under the conditions closer to the ones of the operating cruise mode. The problem was looked upon in a two-dimensional axisymmetric configuration, including the simulation of the swirl velocity and in a three-dimensional configuration. We found a drop-size distribution function and spatial distribution of kerosene in an atomizer, which was designed by the engineers from UEC-Aviadvigatel JSC. We have hypothesized the formula connecting the drop-size distribution function obtained in the three-dimensional configuration with the distribution function obtained in the two-dimensional configuration. Along with that, the spray half angles found in these configurations appeared to be the same, although, generally, there is a difference in spatial distribution of kerosene drops.
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Acknowledgements
The authors wish to thank for the help with tranlsation to English the translater of the Translation Bureau of JSC UEC-Aviadvigatel Natalia Kuznetsova and deputy director of Littera Language Centre at Perm State University Veronika Barsukova.
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This article belongs to the Topical Collection: Multiphase Fluid Dynamics in Microgravity
Tatyana P. Lyubimova, Jian-Fu Zhao
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Mingalev, S., Inozemtsev, A., Gomzikov, L. et al. Simulation of Primary Film Atomization in Prefilming Air-assisted Atomizer Using Volume-of-Fluid Method. Microgravity Sci. Technol. 32, 465–476 (2020). https://doi.org/10.1007/s12217-020-09782-3
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DOI: https://doi.org/10.1007/s12217-020-09782-3