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- W2063352101 abstract "현재 전 세계적으로 설계단계에서 부식 생성물과 방사성 핵종의 양을 예측하는 프로그램에 대해서는 개발되거나 개발중인 프로그램이 다양하다. 그러나 원자력 발전소 해체 시 발생하는 방사화 부식생성물의 양을 평가하는 코드에 대한 개발은 이루어지지 않고 있어 정확한 산정에 어려움이 있다. 원자로 용기, 원자로 구성품 및 인접 구조물에서의 특성 원소의 중성자 조사로 인한 방사화재고량을 평가하기 위해서는 원자로의 고정된 구조물을 대표하는 모든 영역에서의 평균 중성자속과 구조물의 물질조성 및 원자로 운전이력 등을 이용하여 평가해야 한다. 본 논문에서는 설계단계에서 사용되는 1차 계통의 부식생성물과 방사성 핵종의 양을 예측하는 CORA, PACTOLE, CRUDSIM, CREAT 및 ACE 코드를 분석하였다. 향후 연구에서는 제염해체 폐기물 발생량 평가에 대한 사용가능성과 개선점을 찾아 부식생성물량 산정에 정확성을 높이고자 한다. Currently, there are many programs which are now being developed or already developed to predict radionuclide and corrosion product at the stage of designing NPP. However, since there are not many developments in evaluating quantity of activation corrosion products occurring when disassembling a nuclear power plant there exist some difficulties in calculating accurately. In order to evaluate activation products inventory for the research of effect of neutron activation in the reactor vessel, component of nuclear reactor and adjacent structures, it should be evaluated by using operation history of nuclear reactor, material composition of structure and average neutron flux in every field representing fixed structure of nuclear reactor. In this study, CORA, PACTOLE, CRUDSIM, CREAT and ACE codes are analyzed to predict the quantity of radionuclide and corrosion product of primary reactor which is used at the stage of designing. As a future study, the accuracy in calculating the quantity of product corrosion can be increase by finding out the possibility of use and improvement for evaluation of the decontamination." @default.
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- W2063352101 date "2014-06-30" @default.
- W2063352101 modified "2023-10-17" @default.
- W2063352101 title "A Study on Radioactive Source-term Assessment Method for Decommissioning PWR Primary System" @default.
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- W2063352101 doi "https://doi.org/10.7733/jnfcwt.2014.12.2.153" @default.
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