Abstract
The models of representative volume elements of porous carbon-ceramic materials with various pore shapes are presented in the current paper. The simulation of the heat transfer process in a representative volume element is carried out. The characteristics influence of the material structure – the pore shape and the radiative Nusselt number – on the thermal conductivity values is studied. It has been shown that for the same pore volume, the pore shape and the pore surface area have a significant effect on thermal conductivity.The models of representative volume elements of porous carbon-ceramic materials with various pore shapes are presented in the current paper. The simulation of the heat transfer process in a representative volume element is carried out. The characteristics influence of the material structure – the pore shape and the radiative Nusselt number – on the thermal conductivity values is studied. It has been shown that for the same pore volume, the pore shape and the pore surface area have a significant effect on thermal conductivity.
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