Article | REF: BE8256 V1

Fluidized beds - Mass and heat transfer

Author: Gérard ANTONINI

Publication date: October 10, 2007

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1. Heat transfer processes in fluidized beds

1.1 Basic data on heat transfer mechanisms in granular media

Heat transfer in a gas-solid medium depends primarily on the thermophysical properties of the divided solid, but also on those of the interstitial gas.

  • These, i.e. the gas's density ρ g , its mass heat capacity C P g , its thermal conductivity λ g , and its dynamic viscosity µ g , are all highly temperature-dependent.

    The mass heat capacity, thermal conductivity and dynamic viscosity of gases depend on their composition and are increasing functions...

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Heat transfer processes in fluidized beds