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Air Ring Effect on Blown Film Dynamics

  • B. Cao und G. A. Campbell
Veröffentlicht/Copyright: 27. Mai 2013
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Abstract

The air ring has an effect on blown film dynamics. By using a momentum macrobalance, an analytical solution for the pressure on the outer surface of the bubble is obtained which is in fairly good agreement with our aerodynamic experimental data. Since the pressure is related to the hoop stress, a more complete prediction of the bubble shape is attained by taking the air ring effect into account.


* Mail address: Prof. Dr. G.A. Campbell, Polymer Fabrication and Properties Laboratory, Department of Chemical Engineering, Clarkson University, Potsdam, NY 13676, U.S.A.

Published Online: 2013-05-27
Published in Print: 1989-05-01

© 1989, Carl Hanser Verlag, Munich

Heruntergeladen am 30.10.2025 von https://www.degruyterbrill.com/document/doi/10.3139/217.890114/html
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