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View article: Virtual Visit to Research Reactor IPEN/MB-01
Virtual Visit to Research Reactor IPEN/MB-01 Open
The world is currently facing a significant challenge due to the widespread dissemination of misinformation, compounded by a lack of effective strategies to combat it. The nuclear sector is particularly affected by it, with several people …
View article: Environmental costs of nuclear reactors: a literature review
Environmental costs of nuclear reactors: a literature review Open
The provision of reliable and affordable energy, while reducing environmental impacts, is an increasing challenge. Nuclear energy stands out as an important low-carbon alternative in the energy transition, supporting intermittent renewable…
View article: Comparison of 18F-FDG and 68-PSMA-11 in PET for prostate cancer diagnosis
Comparison of 18F-FDG and 68-PSMA-11 in PET for prostate cancer diagnosis Open
Prostate cancer is the second most incident neoplasm in men, except for non-melanoma skin cancer, and has the second highest mortality rate in Brazil. Early diagnosis increases the chances of cure and enables a less aggressive treatment fo…
View article: PLATAGAM: a videogame structured as a didactical material for divulgation of some of the benefits of the Gamma Radiation produced in the Cobalt-60 Multipurpose Irradiator at IPEN’s facilities
PLATAGAM: a videogame structured as a didactical material for divulgation of some of the benefits of the Gamma Radiation produced in the Cobalt-60 Multipurpose Irradiator at IPEN’s facilities Open
This paper aimed at the conception and implementation of a platform videogame designed to make known some of the benefits of the use of Gamma Radiation produced in the Cobalt-60 Multipurpose Irradiator, built with Brazilian technology at I…
View article: Consequence Analysis of a Station Blackout in Brazilian Nuclear Power Plant Angra 2
Consequence Analysis of a Station Blackout in Brazilian Nuclear Power Plant Angra 2 Open
The article consists, through a Severe Accident, evaluating the impact of radionuclides released into the atmosphere in the vicinity at Nuclear Power Plant. The source term used in present work is obtained by means of proportionality betwe…
View article: Application of Best Estimate Plus Uncertainty (BEPU) Methodology in a Final Safety Analysis Report (FSAR) of a Generic Plant
Application of Best Estimate Plus Uncertainty (BEPU) Methodology in a Final Safety Analysis Report (FSAR) of a Generic Plant Open
The licensing process of a nuclear power plant is motivated by the need to protect humans and the environment from ionizing radiation and, at the same time, sets out the basis for the design and determining the acceptability of the plant. …
View article: Panorama mundial das pesquisas com robôs subaquáticos remotamente operados (ROV)
Panorama mundial das pesquisas com robôs subaquáticos remotamente operados (ROV) Open
Veículos subaquáticos operados remotamente (ROVs) fazem parte de um grupo de tecnologias que vem sendo cada vez mais utilizados como ferramenta em pesquisas científicas. As aplicações para esses veículos são vastas e o trabalho tem por obj…
View article: Small break loss of coolant accident of 200 cm² in cold leg of primary loop of Angra2 nuclear power reactor evaluation
Small break loss of coolant accident of 200 cm² in cold leg of primary loop of Angra2 nuclear power reactor evaluation Open
The aim of this paper is evaluated the consequences to ANGRA 2 nuclear power reactor and to identify the flow regimes, the heat transfer modes, and the correlations used by RELAP5/MOD3.2.gama code in ANGRA 2 during the Small-Break Loss-of-…
View article: Calculation of the Dose for Public Individuals Due to a Severe Accident at the Angra 2 Nuclear Plant, Brazil
Calculation of the Dose for Public Individuals Due to a Severe Accident at the Angra 2 Nuclear Plant, Brazil Open
Through a severe accident at nuclear power plant Angra 2, the whole body dose effective of the individuals members of the public located in the Emergency Planning Zones (EPZs) will be calculated, and later, the protective actions in these …
View article: ANÁLISE DO ACIDENTE DE PERDA DE REFRIGERANTE PRIMÁRIO DEVIDO A QUEBRA DA LINHA DE SURTO DO PRESSURIZADOR DA USINA NUCLEAR ANGRA 2
ANÁLISE DO ACIDENTE DE PERDA DE REFRIGERANTE PRIMÁRIO DEVIDO A QUEBRA DA LINHA DE SURTO DO PRESSURIZADOR DA USINA NUCLEAR ANGRA 2 Open
O objetivo deste trabalho foi simular e avaliar com o código RELAP5 o acidente base de projeto de perda de refrigerante primário devido a uma ruptura média na linha de surto do pressurizador da usina nuclear Angra 2. Este acidente foi uma …
View article: Educação ambiental e sustentabilidade
Educação ambiental e sustentabilidade Open
Submitted by Pedro Silva Filho ([email protected]) on 2019-08-12T14:25:38Z No. of bitstreams: 1 25873.pdf: 1914141 bytes, checksum: 3e6d9fad8e2ebd5d9f77a5f72c155c51 (MD5)
View article: Simulation of a severe accident at a typical PWR due to break of a hot leg ECCS injection line using MELCOR code.
Simulation of a severe accident at a typical PWR due to break of a hot leg ECCS injection line using MELCOR code. Open
The aim of this work was to simulate a severe accident at a typical PWR, initiated with a break in Emergency Core Cooling System line of a hot leg, using the MELCOR code. The model of this typical PWR was elaborated by the Global Research …
View article: Classification of natural circulation two-phase flow image patterns based on self-organizing maps of full frame DCT coefficients
Classification of natural circulation two-phase flow image patterns based on self-organizing maps of full frame DCT coefficients Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2018-07-18T12:50:11Z No. of bitstreams: 1 24758.pdf: 2932949 bytes, checksum: 5c6d2d35bc18f38917f393c27fc05a8a (MD5)
View article: Hierarchical Expansion Method in the Solution of the Navier-Stokes Equations for Incompressible Fluids in Laminar Two-Dimensional Flow
Hierarchical Expansion Method in the Solution of the Navier-Stokes Equations for Incompressible Fluids in Laminar Two-Dimensional Flow Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2018-07-31T11:10:15Z No. of bitstreams: 1 24784.pdf: 658336 bytes, checksum: 1b71bf094c054c1a7f7cc08e0ffa26ab (MD5)
View article: Simulação de um SBLOCA em Angra 2 com o RELAP5
Simulação de um SBLOCA em Angra 2 com o RELAP5 Open
O objetivo deste trabalho foi simular e avaliar o acidente basico de projeto de perda de refrigerante por pequena ruptura de 50 cm² na perna fria do circuito primario da usina nuclear Angra 2. Nesta simulacao, verificou-se que as logicas d…
View article: Assessment of RELAP5 matrix solvers for a two-phase natural circulation loop
Assessment of RELAP5 matrix solvers for a two-phase natural circulation loop Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2017-10-04T17:07:54Z\nNo. of bitstreams: 1\n23156.pdf: 2721825 bytes, checksum: 4d41a6424f1c123ae48bf25dfee69fd7 (MD5)
View article: BEPU-FSAR: A new paradigm in Nuclear Reactor Safety
BEPU-FSAR: A new paradigm in Nuclear Reactor Safety Open
Nuclear safety has become a technology following extraordinary industrial investments since the 50’s. Events in the last decades occurring in the Three Mile Island Unit-2, Chernobyl Unit-4 and Fukushima Units 1-3 have challenged the sustai…
View article: Application of the Hierarchical Functions Expansion Method for the Solution of the Two Dimensional Navier-Stokes Equations for Compressible Fluids in High Velocity
Application of the Hierarchical Functions Expansion Method for the Solution of the Two Dimensional Navier-Stokes Equations for Compressible Fluids in High Velocity Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2017-10-05T17:03:08Z No. of bitstreams: 1 23159.pdf: 900143 bytes, checksum: a401377454cca74248589e0eb6933bd2 (MD5)
View article: Simulação do acidente de perda de refrigerante na linha do sistema de resfriamento de emergência do núcleo conectada à perna fria do circuito primário de ANGRA 2
Simulação do acidente de perda de refrigerante na linha do sistema de resfriamento de emergência do núcleo conectada à perna fria do circuito primário de ANGRA 2 Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2017-09-14T13:10:17Z No. of bitstreams: 1 23030.pdf: 2091146 bytes, checksum: 27ae888e5af0a7677a113015558b7998 (MD5)
View article: Application of Best Estimate Plus Uncertainty Methodology in a Final Safety Analysis Report of a Generic Plant
Application of Best Estimate Plus Uncertainty Methodology in a Final Safety Analysis Report of a Generic Plant Open
The licensing process of a nuclear power plant is motivated by the need to protect humans and the environment from ionizing radiation and, at the same time, sets out the basis for the design and determining the acceptability of the plant. …
View article: Using of BEPU methodology in a final safety analysis report
Using of BEPU methodology in a final safety analysis report Open
The Nuclear Reactor Safety (NRS) has been established since the discovery of nuclear fission, and the occurrence of accidents in Nuclear Power Plants worldwide has contributed for its improvement. The Final Safety Analysis Report (FSAR) mu…
View article: Levantamento bibliográfico sobre metodologias para elaboração de um banco de dados da saúde da popula-ção em casos de ocorrências de câncer
Levantamento bibliográfico sobre metodologias para elaboração de um banco de dados da saúde da popula-ção em casos de ocorrências de câncer Open
As fontes alternativas de energia, incluindo a nuclear, apresentam vantagens com relação às externalidades, as quais podem ser identificadas e relacionadas com o termo, custo ambiental. Este termo, por sua vez, é uma externalidade negativa…