Processing of X-ray tomographic images: a procedure adapted for the analysis of phase distribution in MellapakPlus 752.Y and Katapak-SP packings

Viva, Aurora; Aferka, Saïd; Brunazzi, Elisabetta; Marchot, Pierre; Crine, Michel; Toye, Dominique

doi:10.1016/j.flowmeasinst.2011.03.008

Article (Scientific journals)

Processing of X-ray tomographic images: a procedure adapted for the analysis of phase distribution in MellapakPlus 752.Y and Katapak-SP packings

Viva, Aurora; Aferka, Saïd; Brunazzi, Elisabetta et al.

2011 • In Flow Measurement and Instrumentation, 22, p. 279-290

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/87180

DOI
10.1016/j.flowmeasinst.2011.03.008

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Keywords :

X-ray tomography; image processing; hydrodynamics; multiphase flow; packed bed; catalytic packings

Abstract :

[en] We developed a simple practical methodology to face common problems encountered in the analysis of tomographic images to get quantitative information on phase distributions in gas liquid contacting columns packed with complex metallic packings. In particular, the procedure (thresholding and normalisation) was developed and validated on images of geometrically well known Mellapak Plus 752 Y packings. The methodology was extended to images of Katapak-SP modular packings which are made of an alternation of Mellapak Plus 752 Y sheets and catalytic baskets. Global liquid hold-up, obtained by averaging tomographic results over the column height, were found in agreement with bed scale data measured on the same Mellapak Plus 752 Y and Katapak-SP (11 and 12) packings at a given liquid load. Moreover, gas-liquid interfacial area were calculated and reported to the installed geometric area.

Disciplines :

Chemical engineering

Author, co-author :

Viva, Aurora; Université de Liège - ULiège > Département de Chimie appliquée

Aferka, Saïd ; Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée

Brunazzi, Elisabetta; University of Pisa > Department of Chemical Engineering

Marchot, Pierre ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Systèmes polyphasiques

Crine, Michel ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Opérations physiques unitaires

Toye, Dominique ; Université de Liège - ULiège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques

Language :

English

Title :

Processing of X-ray tomographic images: a procedure adapted for the analysis of phase distribution in MellapakPlus 752.Y and Katapak-SP packings

Publication date :

2011

Journal title :

Flow Measurement and Instrumentation

ISSN :

0955-5986

Publisher :

Elsevier Science

Volume :

Pages :

279-290

Peer reviewed :

Peer Reviewed verified by ORBi

Name of the research project :

Action de Recherche Concertée : Advanced Experimental Techniques and Cellular Automaton Modelling of Multiphase Systems - Application to distillation and reactive distillation columns

Funders :

FWB - Fédération Wallonie-Bruxelles

Available on ORBi :

since 15 March 2011

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