Bubble columns dynamics inferred from the motion of a radioactive tracer followed by axially aligned detectors

Gabriel Salierno, Mauricio Maestri, Stella Piovano, Miryan Cassanello, Maria Angelica Cardona, Daniel Hojman, Hector Somacal

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Abstract

a b s t r a c t
Bubble column dynamics can be properly studied with advanced velocimetry techniques, like radioactive particle tracking (RPT). However, sophisticated methods are scarcely used in the industrial environment; simpler methodologies like nuclear gauge scanning are generally preferred even if they provide more limited information. This work explores the feasibility of inferring information of the underlying dynamics in bubble columns, using a set of axially aligned detectors (AADs). The AADs scan simultaneously different column heights when a unique radioactive tracer is left free within the examined vessel, thus avoiding the cumbersome calibration required for RPT. The combined response of the AADs is analyzed by means of a data mining procedure to determine quantitative indexes related to the underlying flow regime.
(c) 2012 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalChemical Engineering Journal
DOIs
Publication statusPublished - 2012
MoE publication typeA1 Journal article-refereed

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