Considerable recent research has focused on the ability of microstructured fibers to exhibit diverse optical functionalities. However, accurately preserving the structure imposed at the preform stage after drawing it down to fiber, while avoiding Rayleigh–Plateau style instabilities, has proven to be a major fabrication challenge. This modeling/analytical study was carried out in support of an experimental program into possible fabrication options for various microstructured optical fibers and considers the generic case of the nonisothermal drawing of a capillary preform to fiber. Model development was carried out in two stages. Initially, a fully conjugate multiphase model, which includes all heat transfer modes within an operational fiber drawing furnace, was validated against available experimental data. To evaluate the external radiative heat flux using the net-radiation method, a Monte Carlo ray-tracing (MC-RT) method was coupled to the commercial polyflow package to obtain all view factors between the various furnace walls and the deforming preform/fiber. A simplified model was also developed (to shorten simulation run times) by explicitly calculating the convective heat transfer between the air within the furnace and the preform/fiber surface using a heat transfer coefficient determined by matching predicted results with those obtained from the multiphase model.
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Heat Transfer Modeling of the Capillary Fiber Drawing Process
Shicheng Xue,
Shicheng Xue
School of Chemical and
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: shicheng.xue@sydney.edu.au
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: shicheng.xue@sydney.edu.au
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Geoffrey Barton,
Geoffrey Barton
School of Chemical and
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: geoff.barton@sydney.edu.au
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: geoff.barton@sydney.edu.au
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Simon Fleming,
Simon Fleming
Institute of Photonics and
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: simon.fleming@sydney.edu.au
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: simon.fleming@sydney.edu.au
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Alexander Argyros
Alexander Argyros
Institute of Photonics and
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: alexander.argyros@sydney.edu.au
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: alexander.argyros@sydney.edu.au
Search for other works by this author on:
Shicheng Xue
School of Chemical and
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: shicheng.xue@sydney.edu.au
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: shicheng.xue@sydney.edu.au
Geoffrey Barton
School of Chemical and
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: geoff.barton@sydney.edu.au
Biomolecular Engineering,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: geoff.barton@sydney.edu.au
Simon Fleming
Institute of Photonics and
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: simon.fleming@sydney.edu.au
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: simon.fleming@sydney.edu.au
Alexander Argyros
Institute of Photonics and
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: alexander.argyros@sydney.edu.au
Optical Sciences (IPOS),
School of Physics,
University of Sydney,
Sydney 2006, NSW, Australia
e-mail: alexander.argyros@sydney.edu.au
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received October 16, 2016; final manuscript received December 20, 2016; published online March 15, 2017. Assoc. Editor: Zhixiong Guo.
J. Heat Transfer. Jul 2017, 139(7): 072001 (12 pages)
Published Online: March 15, 2017
Article history
Received:
October 16, 2016
Revised:
December 20, 2016
Citation
Xue, S., Barton, G., Fleming, S., and Argyros, A. (March 15, 2017). "Heat Transfer Modeling of the Capillary Fiber Drawing Process." ASME. J. Heat Transfer. July 2017; 139(7): 072001. https://doi.org/10.1115/1.4035714
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