A novel technique for finding gas bubbles in the nuclear waste containers using Muon Scattering Tomography

Magdalena J Dobrowolska, Jaap Velthuis, Leonor Frazao, Daniel Kikola

Research output: Contribution to journalArticle (Academic Journal)

3 Citations (Scopus)
136 Downloads (Pure)

Abstract

Nuclear waste is deposited for many years in the concrete or bitumen-filled containers. With time hydrogen gas is produced, which can accumulate in bubbles. These pockets of gas may result in bitumen overflowing out of the waste containers and could result in spread of radioactivity. Muon Scattering Tomography is a non-invasive scanning method developed to examine the unknown content of nuclear waste drums. Here we present a method which allows us to successfully detect bubbles larger than 2 litres and determine their size with a relative uncertainty resolution of 1.55 ± 0.77%. Furthermore, the method allows to make a distinction between a conglomeration of bubbles and a few smaller gas volumes in different locations.
Original languageEnglish
Article numberP05015
Number of pages13
JournalJournal of Instrumentation
Volume13
Issue number5
Early online date11 May 2018
DOIs
Publication statusPublished - May 2018

Keywords

  • Counting gases and liquids
  • Models and simulations
  • Radiation monitoring
  • Resistive-plate chambers

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