兰州大学110周年校庆核学科系列学术讲座“铸剑强国 核以道和” 第80讲:Ricardo dos Santos Augusto研究员

日期: 2019-10-14 阅读: 来源: 关键词:

应兰州大学核科学与技术学院邀请,加拿大TRIUMF高级研究员Ricardo dos Santos Augusto将于2019年10月8日至19日访问我校并做学术报告。

报告题目:Design of a compact shielding envelope and elements of radiological protection at the TRIUMF-ARIEL facility

报 告 人:Ricardo dos Santos Augusto

报告时间:2019年10月16日 上午10:00-11:00

报告地点:兰州大学核学楼321

摘要:

Once completed, the Advanced Rare Isotope Laboratory (ARIEL) will supply existing experiments at TRIUMF with more diverse and more intense radioactive ion beams (RIB). ARIEL RIB production is driven by the simultaneous irradiation of targets with a 500 MeV proton beam and a 50 MeV electron beam in separate target stations. As the project enters the critical construction phase, the shielding and radiation transport simulations becomes increasingly important in validating nominal operation and assessing failure scenario procedures. In this presentation, it will be detailed the role of Monte Carlo particle transport and interaction code FLUKA in predicting prompt and residual radiation levels, from various types of targets. Also, the iterative process employed throughout 2019 to optimize the shielding design and operation model will be described, with simulation results used to determine expected dose rates and occupancy areas. A summary of the various parameters optimized in this process will be given, highlighting the most updated shielding configuration validated according to technical feasibility, safety and economic impact.

报告人简介:

Dr. Ricardo dos Santos Augusto completed his Msc in Physics Engineering at IST (Technical University of Lisbon) in 2012 and his Ph.D. in hadron-therapy with a CERN-PhD studentship of the Ludwig Maximilians University in Munich in 2018. In 2012, he was awarded a governmental grant to work at CERN, in the framework of the CERN-MEDICIS project construction and optimization of medical isotope production. In 2018, Dr. Augusto joined TRIUMF (Canada's national laboratory in particle and nuclear physics) as a simulation specialist responsible for overseeing computational work packages in the framework of radiological protection and safety. Particularly, he is currently responsible for dosimetry and target-station design for the ARIEL and IAMI project (on accelerator-based medical isotope production). He remains one of the key members of the FLUKA collaboration with significant contribution of FLUKA's medical module. Dr. Augusto has authored over a dozen peer reviewed publications and presented his work in several conferences worldwide.

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