Manufacturing Quartz Hollow Fibers: Solution to the Problem of Stability in the Drawing of Capillaries

Solving the problem of the stability of the manufacturing process (“drawing”) of microstructured optical fibers (“holey fibers”) is of paramount importance for determining effective technological modes of production. In this study, the modified capillary drawing model proposed by the authors, which...

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Bibliographic Details
Published in:Instruments and experimental techniques (New York) 2023-10, Vol.66 (5), p.881-890
Main Authors: Pervadchuk, V. P., Vladimirova, D. B., Derevyankina, A. L.
Format: Article
Language:English
Subjects:
Capillaries
Electrical Engineering
Fluid flow
Laboratory Technique
Manufacturing
Measurement Science and Instrumentation
Optical fibers
Physical Chemistry
Physics
Physics and Astronomy
Quartz
Reynolds number
Stability analysis
Surface tension
Temperature distribution
Tubes
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Summary:Solving the problem of the stability of the manufacturing process (“drawing”) of microstructured optical fibers (“holey fibers”) is of paramount importance for determining effective technological modes of production. In this study, the modified capillary drawing model proposed by the authors, which takes into account inertial, viscous, and surface tension forces, as well as all types of heat transfer, was used. Based on the linear theory of stability, the regions of stability of the capillary drawing process were determined. During the study, the influence of the drawing ratio and inertia forces (Reynolds number) on the stability of the process under consideration was evaluated. The existence of optimal parameters of the heating element is shown: temperature distribution over the furnace surface and furnace radius at which the stability of the process of drawing quartz tubes increases significantly (several times).
ISSN:0020-4412
1608-3180
DOI:10.1134/S0020441223050135