eXtended Discrete Element Method Used for Convective Heat Transfer Predictions

Alvaro A. Estupinan Donoso; Florian Hoffman; Bernhard Peters

doi:10.15866/ireme.v7i2.3745

eXtended Discrete Element Method Used for Convective Heat Transfer Predictions

Alvaro A. Estupinan Donoso^(1*), Florian Hoffman⁽²⁾, Bernhard Peters⁽³⁾

^(*) Corresponding author

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Abstract

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.
Analytical solutions, as well as experimental and other authors’ simulation data were employed in different, ordered and non-ordered, particle arrangements. The obtained results show high correspondence, and therefore, it is believed that the proposed numerical approach is well suitable to treat challenging granular applications.

Keywords

Discrete Particle Method; DPM; eXtended Discrete Element Method; Heat Transfer; Packed Bed; XDEM

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