Heat transfer in Packed-beds

Packed bed reactors dominate a broad range of engineering applications. In a packed bed reactor, heat is transferred from the solid particles to the gas flow stream through the void space between particles. Using a XDEM approach, continuous and discrete phases have been coupled in order to predict convective heat transfer between solid and fluid within packed beds. For the solid matrix a discrete intra-particle model, namely DPM, was used to solve for each particle of the bed, and a CFD tool was employed to resolve the fluid flow.

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Cooling down of a chain of particles. The case was setup according to the experimentation realized by Yang et al.

Fluid and particle temperature predictions evolution at the core of a reactor during particles heating-up. The righ hand side animation shows the evolution of the reactor’s temperature profile.

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