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|Title:||New source models to represent the irradiation process in panoramic gamma irradiator|
|Title of periodic:||Applied Radiation and Isotopes|
|Authors:||Gual, Maritza Rodriguez|
Milian, Felix. M.
Mesquita, Amir Zacarias
|Affiliation:||Centro de Desenvolvimento da Tecnologia Nuclear/Comissão Nacional de Energia Nuclear (CDTN/CNEN), Belo Horizonte, MG|
Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Ilhéus-Itabuna
Centro de Desenvolvimento da Tecnologia Nuclear/Comissão Nacional de Energia Nuclear (CDTN/CNEN), Belo Horizonte, MG
Departamento de Engenharia Nuclear, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG
|Keywords:||Panoramic irradiator;Gamma irradiation facility;Dose rate;Gamma beam – 127|
|Abstract:||The use of gamma irradiation technologies generates a number of complex scientific and technical problems; for example, the target is manually loaded onto turntables and is rotated during the entire irradiation process and the MCNPX three-dimensional geometry simulation is kept static. For this, it is necessary to introduce additional approaches. In this paper, two new methodologies are proposed for the simulation of irradiation process in panoramic gamma irradiator. The study was performed at the gamma irradiation facility at the Nuclear Technology Development Center of the National Nuclear Energy Commission, Brazil. The source can be reproduced with a homogenized geometry. Validation of MCNPX calculations of gamma doses were performed by thorough comparison with the experimental measurements. The contribution of this proposed source models has opened new lines of research. The results of this study showed that the proposed source models effectively represent the irradiation process.|
|Appears in Collections:||Artigo de periódico|
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