Advanced non-destructive methods for criticality safety and safeguards of used nuclear fuel

Riccardo Rossa

Advanced non-destructive methods for criticality safety and safeguards of used nuclear fuel

Riccardo Rossa

Nuclear Science and Technology Studies

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Abstract

The safeguards verification of spent nuclear fuel is one of the major concern for the safeguards community, as this material represents about 80% of all material placed under safeguards. This PhD thesis described the development of two passive non-destructive assay (NDA) techniques: the Self-Indication Neutron Resonance Densitometry (SINRD) and the Partial Defect Tester (PDET).
The NDA methods were investigated with Monte Carlo simulations and the benchmark experiments for SINRD were performed at the GELINA facility of JRC-Geel in Belgium.
The results for the SINRD technique showed promising results for the direct quantification of 239Pu in spent fuel, and both techniques gave encouraging results for the detection of partial defects.

Original language	English
Awarding Institution	VUB - Vrije Universiteit Brussel
Supervisors/Advisors	Borella, Alessandro, SCK CEN Mentor van der Meer, Klaas, SCK CEN Mentor Labeau, Pierre-Etienne, Supervisor, External person Pauly, Nicolas, Supervisor, External person
Sponsors	ENGIE
Date of Award	30 Sep 2016
Place of Publication	Bruxelles, Belgium
Publisher	ULB - Université Libre de Bruxelles
State	Published - 2016

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Thesis - Full text-v4Final published version, 4.74 MB

Cite this

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title = "Advanced non-destructive methods for criticality safety and safeguards of used nuclear fuel",

abstract = "The safeguards verification of spent nuclear fuel is one of the major concern for the safeguards community, as this material represents about 80% of all material placed under safeguards. This PhD thesis described the development of two passive non-destructive assay (NDA) techniques: the Self-Indication Neutron Resonance Densitometry (SINRD) and the Partial Defect Tester (PDET).The NDA methods were investigated with Monte Carlo simulations and the benchmark experiments for SINRD were performed at the GELINA facility of JRC-Geel in Belgium.The results for the SINRD technique showed promising results for the direct quantification of 239Pu in spent fuel, and both techniques gave encouraging results for the detection of partial defects.",

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N2 - The safeguards verification of spent nuclear fuel is one of the major concern for the safeguards community, as this material represents about 80% of all material placed under safeguards. This PhD thesis described the development of two passive non-destructive assay (NDA) techniques: the Self-Indication Neutron Resonance Densitometry (SINRD) and the Partial Defect Tester (PDET).The NDA methods were investigated with Monte Carlo simulations and the benchmark experiments for SINRD were performed at the GELINA facility of JRC-Geel in Belgium.The results for the SINRD technique showed promising results for the direct quantification of 239Pu in spent fuel, and both techniques gave encouraging results for the detection of partial defects.

AB - The safeguards verification of spent nuclear fuel is one of the major concern for the safeguards community, as this material represents about 80% of all material placed under safeguards. This PhD thesis described the development of two passive non-destructive assay (NDA) techniques: the Self-Indication Neutron Resonance Densitometry (SINRD) and the Partial Defect Tester (PDET).The NDA methods were investigated with Monte Carlo simulations and the benchmark experiments for SINRD were performed at the GELINA facility of JRC-Geel in Belgium.The results for the SINRD technique showed promising results for the direct quantification of 239Pu in spent fuel, and both techniques gave encouraging results for the detection of partial defects.

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KW - SINRD

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KW - Monte Carlo

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