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An Experimental Study of the Effects of Liquid Properties on the Breakup of a Two-Dimensional Liquid Sheet FREE

[+] Author Affiliations
B. E. Stapper, W. A. Sowa, G. S. Samuelsen

University of California, Irvine, CA

Paper No. 90-GT-265, pp. V003T06A032; 9 pages
doi:10.1115/90-GT-265
From:
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7906-1
  • Copyright © 1990 by ASME

abstract

The breakup of a liquid sheet is of fundamental interest in the atomization of liquid fuels. The present study explores the breakup of a two-dimensional liquid sheet in the presence of co-flow air with emphasis on the extent to which liquid properties affect breakup. Three liquids, selected with varying values of viscosity and surface tension, are introduced through a twin-fluid, two-dimensional nozzle. A pulsed laser imaging system is used to determine the sheet structure at breakup, the distance and time to breakup, and the character of the ligaments and droplets formed. Experiments are conducted at two liquid flow rates with five flow rates of co-flowing air. Liquid properties affect the residence time required to initiate sheet breakup, and alter the time and length scales in the breakup mechanism.

Copyright © 1990 by ASME
This article is only available in the PDF format.

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