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http://dx.doi.org/10.6111/JKCGCT.2019.29.6.365

Partial premixed combustion modeling of diffusion flame burner for SiO2 deposition as optical fiber cladding  

Park, Hyung-Bin (Innovation for Creative Device)
Han, Yoonsoo (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.29, no.6, 2019 , pp. 365-371 More about this Journal
Abstract
In this study, the flame temperature distribution of the diffusion flame burner for SiO2 deposition was analyzed by the computational fluid analysis. This corresponds to the previous step for simulating the SiO2 preform deposition process for manufacturing optical fibers using environmentally friendly raw materials. In order to model premixed combustion, heat flow, convection, and chemical reactions were considered, and Reynolds-averaged Navier-Stokes equations and k-ω models were used. As a result, the temperature distribution of the flame showed a tendency to increase the distance from the nozzle surface to the maximum temperature when the flow rate of the auxiliary oxygen increased. In addition, it was confirmed that the temperature distribution due to incomplete combustion was large in the combustion reaction with a large equivalence ratio of the mixed gas.
Keywords
$SiO_2$; Deposition; Burner; Simulation; Combustion;
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