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The structure of jets of water and polymer solution in air

Published online by Cambridge University Press:  29 March 2006

J. W. Hoyt ,
J. J. Taylor  and
C. D. Runge
J. W. Hoyt
Affiliation:
Naval Undersea Center, San Diego, California 92132
J. J. Taylor
Affiliation:
Naval Undersea Center, San Diego, California 92132
C. D. Runge
Affiliation:
Naval Undersea Center, San Diego, California 92132
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Abstract

Jets of water and of poly(ethylene oxide) solutions discharging in air were photographed using a novel image-motion compensating camera. Spray droplet formation is inhibited by low concentration polymer solutions. The effect of the polymer is to reduce, dampen, or eliminate small-scale surface disturbances in the jet, while not reducing but even amplifying larger scale motions. The initial laminar zone present in the jet efflux with water is eliminated with trace quantities of polymer. When substantial quantities of polymer are present (200 p.p.m.), the jet breakup is accompanied by filament formation linking all the drops together.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 63 , Issue 4 , 15 May 1974 , pp. 635 - 640
Copyright
© 1974 Cambridge University Press

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