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Master's Dissertation
DOI
https://doi.org/10.11606/D.85.2012.tde-23102012-145549
Document
Author
Full name
Letícia Negrão Pinto
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Santos, Adimir dos (President)
Deppman, Airton
Diniz, Ricardo
Title in Portuguese
Experimentos de efeitos de reatividade no reator nuclear- IPEN/MB-01
Keywords in Portuguese
efeitos de reatividade
experimentos de reatividade induzida
IPEN/MB-01
MCNP-5
Monte Carlo
Abstract in Portuguese
Pesquisas que tem como objetivo melhorar o desempenho de códigos de transporte de nêutrons e a qualidade de bases de dados de seções de choque nucleares são muito importantes para aumentar a acurácia de simulações e a qualidade de análises e predição de fenômenos no campo nuclear. Neste contexto, dados experimentais relevantes como medidas de reatividade induzida são necessários. O objetivo deste trabalho foi conduzir uma série de experimentos de medida de reatividade induzida, utilizando um reatímetro digital desenvolvido pelo IPEN. Os experimentos empregaram amostras metálicas inseridas na região central do núcleo do reator experimental IPEN/MB-01. A análise teórica foi realizada pelo código de física de reatores MCNP-5, desenvolvido e mantido pelo Los Alamos National Laboratory, e a biblioteca de dados nucleares ENDF/B-VII.0.
Title in English
Reactivity effects experiments at IPEN/MB-01 nuclear reactor
Keywords in English
IPEN/MB-01
MCNP-5
Monte Carlo
reactivity effects
reactivity worth experiments
Abstract in English
Researches that aim to improve the performance of neutron transport codes and quality of nuclear cross section databases are very important to increase the accuracy of simulations and the quality of the analysis and prediction of phenomena in the nuclear field. In this context, relevant experimental data such as reactivity worth measurements are needed. The objective of this work was to perform a series of experiments of reactivity worth measurements, using a digital reactivity meter developed at IPEN. The experiments employed metallic samples inserted in the central region of the core of the experimental IPEN/MB-01 reactor. The theoretical analysis was performed by the MCNP-5 reactor physics code, developed and maintained by Los Alamos National Laboratory, and the ENDF/B-VII.0 nuclear data library.
 
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Publishing Date
2012-11-09
 
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