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Parametric Investigation on Double Layer Liquid Coating Process with Viscous Dissipation in Optical Fiber Mass Manufacturing System  

Kim, Kyoungjin (Department of Mechanical System Engineering, Kumoh National Institute of Technology)
Park, Joong-Youn (Department of Mechanical System Engineering, Kumoh National Institute of Technology)
Publication Information
Journal of the Semiconductor & Display Technology / v.17, no.4, 2018 , pp. 80-85 More about this Journal
Abstract
The present investigation on optical fiber mass manufacturing features the computational modeling and simulation on a double layer liquid coating process on glass fiber surface. The computational model employs a simplified geometry of typical fiber coating system which consists of primary and secondary coating dies along with secondary coating cup. The viscous dissipation in coating flow is incorporated into the double layer coating process simulations. Heavy temperature dependence of coating liquid viscosity is also considered in the model. The computational results found that the effects of viscous dissipation on both primary and secondary coating layer thicknesses are highly significant at higher drawing speed. Several important coating process parameters such as supply temperature and pressure of primary and secondary coating liquids are investigated and discussed in order to appreciate how those parameters affect the double layer coating layer thickness on fast moving glass fiber.
Keywords
Optical Fiber; Fiber Coating; Liquid Coating; Viscous Dissipation; Numerical Simulation;
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Times Cited By KSCI : 1  (Citation Analysis)
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