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Journal of Porous Media
Facteur d'impact: 1.752 Facteur d'impact sur 5 ans: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Imprimer: 1091-028X
ISSN En ligne: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v18.i7.40
pages 689-698

RADIAL VOIDAGE VARIATION IN PACKED BEDS OF UNIFORMLY SIZED SPHERES: THEORY AND EXPERIMENT

Yin-Bin Lu
MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
Gui-Hua Tang
MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China

RÉSUMÉ

The porosity of 0.377 far away from the wall of cylindrical containers is deduced based on three possible stable and quasi-stable packed configurations, and the probability of each configuration is assumed the same. A model considering the bulk porosity 0.377 and the influence of column-to-sphere diameter ratio D/d is proposed to predict the radial porosity distribution in cylindrical containers packed with uniformly sized spheres. The model is validated by available experimental data in the literature and the present experimental work.


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