G213 Combined Forced-Convective and Radiative Heat Transfer in Cylindrical Packed Beds with Constant Wall Temperatures

概要

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Thermally-developing and fully-developed turbulent flow forced convection in cylindrical packed beds heated at constant wall temperatures are numerically studied. The macroscopic momentum equation considers the effects of turbulence and hydrodynamic dispersion in addition to Darcy-Brinkman-Forchheimer flow resistances, while the effects of thermal radiation, turbulence and thermal dispersion are taken into account in the energy equation. It is found that the coupled hydrodynamic dispersion and turbulence term in the momentum equation affects the pressure gradients in packed beds and that the agreement between the theoretical results of temperature profiles and heat transfer characteristics accounting for thermal radiation and the experimental ones is excellent
一般社団法人日本機械学会の論文
2003-11-10