Development of radiation sources based on CAD models for the nuclear analysis of IFMIF-DONES lithium loop
Metadatos
Mostrar el registro completo del ítemEditorial
Elsevier
Materia
Fusion neutronics IFMIF-DONES Source definition CAD Activation Activated corrosion product
Fecha
2024Referencia bibliográfica
Published version: J. García et al. Development of radiation sources based on CAD models for the nuclear analysis of IFMIF-DONES lithium loop. Fusion Engineering and Design 202 (2024) 114360. https://doi.org/10.1016/j.fusengdes.2024.114360
Patrocinador
University of Granada; Regional Government of Andalusia "TAN19_UGR_IFMIF-DONES"; European Regional Development Fund (ERDF)Resumen
IFMIF-DONES is a neutron source designed to irradiate materials to be used in future fusion power reactors such
as DEMO. The facility is based on a deuteron beam impinging onto a liquid lithium jet to generate the neutron flux.
Lithium and Corrosion Products will get activated and produce Be-7 and Activated Corrosion Products (ACP). These
products will be distributed along the lithium loop, both dissolved in lithium and deposited locally. This complex
gamma source should be properly represented to perform radiological safety studies. A new tool, called CAD2CDGS,
was created to represent these sources. This tool creates decay gamma sources based on CAD geometries and codifies
them into CDGS format. Sources are specified in the CAD model, allowing a user-friendly approach. The tool is
based on Open-Source tools (FreeCAD) and EUROfusion codes (cR2S European SDDR tool). In this article the
CAD2CDGS tool methodology, inputs and workflow are explained. Two verification tests have been done to check
the correctness. Finally, it is demonstrated the applicability of the tool to IFMIF-DONES, with the radiological zoning
analysis of the rooms surrounding the Lithium Loop Cell impact by the Be-7 and ACP.