Recent Study on Heat Transfer Analysis for a Sphere of Combustible Material of Variable Thermal Conductivity
This paper considers an exothermic chemical reaction in a stockpile of reactive material with temperature-dependent thermal conductivity. The research is focused on a spherical domain in which carbon-containing material interacts spontaneously with trapped oxygen. The combustion process generates a complex, nonlinear process, and the energy equation that governs the problem is numerically solved using the semi-implicit finite difference method (FDM). The findings are graphically described and discussed in order to provide a theoretical understanding of the heat transfer analysis during combustion. This research was performed theoretically in order to understand the combustion process in a less costly and faster manner than the experimental approach. The regulation of the self-ignition mechanism in the storage of reactive materials can be helped by understanding the embedded parameters on heat transfer. This research can be expanded to include two-step exothermic chemical reactions.
Author (s) Details
Ramoshweu Solomon Lebelo
Vaal University of Technology, Mathematics Department, Adries Potgieter Blvd, Vanderbijlpark, 1911, South Africa.
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