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TECHNICAL PAPERS: Heat Transfer in Manufacturing

Investigation of Steady-State Drawing Force and Heat Transfer in Polymer Optical Fiber Manufacturing

[+] Author and Article Information
Hayden M. Reeve, Ann M. Mescher, Ashley F. Emery

University of Washington, Department of Mechanical Engineering, Box 352600, Seattle, Washington 98195-2600

J. Heat Transfer 126(2), 236-243 (May 04, 2004) (8 pages) doi:10.1115/1.1677420 History: Received June 26, 2003; Revised November 24, 2003; Online May 04, 2004
Copyright © 2004 by ASME
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References

Figures

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Axial variation of the radiative and convective heat flux experienced at the polymer’s surface for case E1
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Numerically predicted contour plots of temperature (at left in °C) and stream function (right) for (a) case E1 and (b) case E
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Axial variation of the predicted polymer temperature (at r=0) and the furnace wall temperature for cases E1 (Vf=10 cm/s) and E2 (Vf=20 cm/s)
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Effect of preform feed speed on the predicted (solid line) and measured (symbols) free surface shapes
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Numerically predicted and experimentally measured free surface shapes for case E1. (The initial guess is shown for comparison.)
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Effect of preform diameter on the predicted (solid line) and measured (symbols) free surface shapes
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Effect of upstream heating (Ut) on the predicted free surface shape. A comparison between the results for Ut=0 W/m2K (solid line) and Ut=30 W/m2K (dashed line) is shown.
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Effect of the furnace wall temperature on the predicted and measured draw force (D=25.4 mm,Vf=10 cm/s,Vp=25 μm/s)
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The fiber drawing system. (The numerical domain is outlined in bold and all thermocouple locations are denoted with a ‘×’.)

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