An Atomization Model and Computation of a Prefilming Airblast Atomizer PUBLIC ACCESS

[+] Author Affiliations
Xiaohua Gan, Qishou Zhao

Beijing University of Aeronautics and Astronautics, Beijing, P. R. China

Paper No. 91-GT-107, pp. V003T06A009; 10 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7900-9
  • Copyright © 1991 by ASME


In the present paper, anatomization model for a prefilming airblast atomizer is constructed and put into numerical computation. A separation criterion is suggested to judge the liquid wavy film disintegration. Quantitative relationships between the spray and the wavelength-frequency spectrum of the liquid wavy film are analysed. A computational method called Trace-Statistics is developed to trace the liquid wavy film separation and droplet motion. Through statistical computation of the droplets, desired parameters of spray distributed in the calculated plane can be obtained. A computation example of the model is demonstrated. Its results agree with the experiments.

Copyright © 1991 by ASME
Topics: Computation
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