Numerical simulation of flow and heat transfer in a random packed bed--颗粒学报PARTICUOLOGY

Guo, X., & Dai, R. (2010). Numerical simulation of flow and heat transfer in a random packed bed. Particuology, 8(3), 293-299. https://doi.org/10.1016/j.partic.2009.10.005

Numerical simulation of flow and heat transfer in a random packed bed

Xueyan Guo^*, Ren Dai

School of Energy and Power Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Road, Shanghai 200093, China

10.1016/j.partic.2009.10.005

Volume 8, Issue 3, June 2010, Pages 293-299

Received 13 July 2009, Revised 8 October 2009, Accepted 10 October 2009, Available online 28 April 2010.

E-mail: xyguo@usst.edu.cn

Highlights

Abstract

Random packed beds have more complex interior structure than structured beds and are widely used in industry and engineering. CFD simulation was carried out to investigate and analyze the local flow and heat transfer in a 120-sphere random packed bed. 3D Navier–Stokes equation was solved with a finite volume formulation based on the Chimera meshing technique. Investigation was focused on low Reynolds number flow (Re = 4.6–56.2), which typically occurs in packed bed reactors in bio-chemical fields. Detailed temperature field information was obtained. Inhomogeneity of flow and heat transfer due to the non-uniform distribution of void fraction was discussed and analyzed.

Graphical abstract

Keywords

Packed bed; Heat transfer; Chimera grid; Numerical simulation; Low Reynolds number

文章导读