Modeling of the impurity nanoparticle distribution in two contacting glass melts during optical fiber drawing

Abstract

This paper describes a mathematical model for the behavior of impurity nanoparticles in two flowing contacting melts which takes into account the surface tension forces on the interface between the melts. The nanoparticle distribution in a bilayer cylindrical melt flow is shown to be significantly influenced by the diffusion mechanism and surface tension forces. The proposed calculation procedure is applied to As₄₀S₆₀–As₃₅S₆₅ (core–cladding) glasses and silica nanoparticles.