LBM estimation of thermal conductivity in meso-scale modelling

[摘要] Recently, there is a growing engineering interest in more rigorous prediction of effective transport coefficients for multicomponent, geometrically complex materials. We present main assumptions and constituents of the meso-scale model for the simulation of the coal or biomass devolatilisation with the Lattice Boltzmann method. For the results, the estimated values of the thermal conductivity coefficient of coal (solids), pyrolytic gases and air matrix are presented for a non-steady state with account for chemical reactions in fluid flow and heat transfer.

[发布机构] Institute of Fluid Flow Machinery, Fiszera 14, Gdask; 80-231, Poland^1

[效力级别] 力学 [学科分类] 力学，机械学

[关键词] Complex materials;Engineering interests;Fluid flow and heat transfers;Lattice Boltzmann method;Meso scale modelling;Meso-scale modeling;Thermal conductivity coefficient;Transport coefficient