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Habilitation à diriger des recherches

Conception et réalisation de systèmes de contrôle non destructif par mesure du rayonnement nucléaire et métrologie associée pour la quantification des radionucléides contaminant les déchets et les procédés de l'industrie nucléaire.

Abstract : The non destructive nuclear measurement has to provide responses for the main challenges of the nuclear industry such as nuclear facility safety, health, environnemental impact, performance, reliability and cost control. The goal of the non destructive nuclear measurement is to characterize, without any deterioration, an object contaminated by one or more radionuclides. The passive or active nuclear measurement are utilized for quantifying the radionucléides in the effluents, the liquid and solid wastes and the nuclear material hold-up. It is also deployed for the process control. In this case, it is a standard production control but, the most of the time, it controls the validity of the safety domain of the production unit. The results of these measurements are used to establish the radiological inventory or the nuclear material balance. The radiological inventory is needed for the nuclear wastes outlets while the nuclear material balance is needed to follow through with the criticality units. The most important objective is to give the quantitative and/or qualitative value and its uncertainty are confident of the radionuclides contaminating the object. This contaminated object might be of different geometrical shapes, sizes or physico-chemical compositions. In order to be efficient, the non destructive nuclear measurement has to include the apparatus, the measurement actions, the settings and the use of the coupled methodologies. I relate, in this memoir, my main research and development works that I drove or in which I took part for achieving these goals. These works are about the metrology of nuclear radiations and are used in three main types of measurement which are the gamma spectrometry, the alpha spectrometry and the passive or active neuton counting.
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Habilitation à diriger des recherches
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Submitted on : Tuesday, May 28, 2013 - 2:57:19 PM
Last modification on : Thursday, December 16, 2021 - 2:10:26 PM
Long-term archiving on: : Tuesday, April 4, 2017 - 12:17:32 PM

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N. Saurel. Conception et réalisation de systèmes de contrôle non destructif par mesure du rayonnement nucléaire et métrologie associée pour la quantification des radionucléides contaminant les déchets et les procédés de l'industrie nucléaire.. Physique Nucléaire Expérimentale [nucl-ex]. Université Blaise Pascal - Clermont-Ferrand II, 2013. ⟨tel-00826891⟩

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