The Correlation of Drop-Size Distributions in Fuel Nozzle Sprays—Part I: The Drop-Size/Volume-Fraction Distribution

[+] Author and Article Information
H. C. Simmons

Accessories Division, Parker-Hannifin Corp., Cleveland, Ohio

J. Eng. Power 99(3), 309-314 (Jul 01, 1977) (6 pages) doi:10.1115/1.3446488 History: Received July 30, 1976; Online July 14, 2010


The paper presents data on the drop-size/volume-fraction distributions of sprays observed with a large number of gas-turbine fuel nozzles of different types including both pressure and air-atomizers, using a range of fuel viscosities, at a variety of operating conditions. The data were obtained by both optical and wax-droplet methods. It is shown that a universal nondimensional correlation can be established for all the fuel nozzles when the drop-size is normalized to the mass median diameter. The correlation enables prediction of the drop-size/volume-fraction distribution for a spray given only the mass median or Sauter mean diameter.

Copyright © 1977 by ASME
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