High resolution monitoring of an unsteady glass fibre drawing process

High resolution monitoring of an unsteady glass fibre drawing process We report unsteady experimental results on the stability of fibre diameter in a continuous glass forming process, using two unique laser systems: a high resolution diffractometer and a backward phase Doppler interferometer. For draw ratios close to those used in the industry, the glass fibre diameter exhibits small fluctuations, which cannot be considered to be a result of draw resonance. It is shown that the amplitude of fibre diameter fluctuations decreases with increasing draw ratio, while the corresponding frequency increases with the temperature of the molten glass. Although the origin of these fluctuations is still not well understood, it appears that their frequency depends on the characteristics of the molten glass jet. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

High resolution monitoring of an unsteady glass fibre drawing process

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Publisher
Springer-Verlag
Copyright
Copyright © 2007 by Springer-Verlag
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-007-0268-4
Publisher site
See Article on Publisher Site

Abstract

We report unsteady experimental results on the stability of fibre diameter in a continuous glass forming process, using two unique laser systems: a high resolution diffractometer and a backward phase Doppler interferometer. For draw ratios close to those used in the industry, the glass fibre diameter exhibits small fluctuations, which cannot be considered to be a result of draw resonance. It is shown that the amplitude of fibre diameter fluctuations decreases with increasing draw ratio, while the corresponding frequency increases with the temperature of the molten glass. Although the origin of these fluctuations is still not well understood, it appears that their frequency depends on the characteristics of the molten glass jet.

Journal

Experiments in FluidsSpringer Journals

Published: Feb 17, 2007

References

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