Radial variation in porosity in annular packed beds

This paper describes the results of a study of the variation in the radial direction in the porosity of annular packed beds. A comparison is made between the predictions by a number of empirical correlations found in literature, the porosities obtained from physical experiments and the porosities ob...

Full description

Saved in:
Bibliographic Details
Published in:Nuclear engineering and design 2008-11, Vol.238 (11), p.3073-3079
Main Author: du Toit, C.G.
Format: Article
Language:English
Subjects:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:This paper describes the results of a study of the variation in the radial direction in the porosity of annular packed beds. A comparison is made between the predictions by a number of empirical correlations found in literature, the porosities obtained from physical experiments and the porosities obtained from the analysis of numerically generated packed beds. It is concluded that the numerical annular packed beds can be considered as acceptable representations of the actual annular packed beds. From the comparison between a number of exponential correlations proposed by various authors for the variation in the radial direction in the “averaged” porosity and the numerical results it is recommended that the correlation proposed by Hunt and Tien be used to describe the variation in the radial direction in the porosity. It is, however, also recommended that a further thorough study be conducted to develop a more detailed understanding of the porosity characteristics of annular packed beds.
ISSN:0029-5493
1872-759X
DOI:10.1016/j.nucengdes.2007.12.018