Abstract
The flow and heat transfer of the basalt melt in the boundary layer on a flat plate is considered. The conditions of formation of the layer and the intensity of heat transfer are determined. A self-similar analysis using the symmetry method was used. A system of ordinary differential equations in self-similar form is obtained. The fluid flow and heat transfer of molten basalt at a laminar steady-state flow in the feeder furnaces are numerically researched. The term “protective layer” on the interface “basalt melt-lining” is introduced. The dependences for the calculation of dimensionless shear stresses and the Nusselt number on the lining surface are obtained. The conditions of rational organization of the technological process of basalt melt feeding in the furnace feeder are formulated.
Highlights
It is known that the technology of production of high-performance thermal insulation based on staple basalt fiber has the potential for modernization [1]
The peculiarity of the basalt melt is its ability to restore in time its complex crystal structure from the liquid state when found in a certain temperature range—be
The purpose of the study was to quantify the processes of flow and heat transfer of the basalt melt and obtain the characteristics of resistance, heat transfer intensity, heat flux values, and sizes of the zone of secondary crystallization of the melt
Summary
It is known that the technology of production of high-performance thermal insulation based on staple basalt fiber has the potential for modernization [1]. Due to the rational organization of hydrodynamic and heat transfer processes in the elements of technological equipment. Basalt melt is a multiphase heterogeneous system containing liquid, crystalline and gaseous phases. The structure and action of this system are largely determined by the temperature and pressure at which it is located [2] [3]. The peculiarity of the basalt melt is its ability to restore in time its complex crystal structure from the liquid state when found in a certain temperature range—be-.
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