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방사성 폐기물 처분시스템에서의 핵종 이동에 관한 이론적 연구
A Theoretical Study on the Migration of Radionuclides in a Radwaste Disposal System
HWAHAK KONGHAK, April 1988, 26(2), 229-235(7), NONE
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Abstract
중·저준위 방사성 폐기물 처분시스템에서 방사성 핵종의 암반내를 통하여 이동하는 현상을 암반 균열과 암반 결정내에서 각각 모델을 세워 해석하였다. Sr-90의 이동과 관련된 각 변수들에 대한 예민도 분석을 수행한 결과 균열의 크기 및 지하수 이동속도가 암반내에서의 핵종의 이동에 가장 민감한 것으로 나타났다.
Migration Performance of radioactive nuclides in the disposal system of low and intermediate level radwaste was investigated. The migration of Sr-90 through fractures and rock matrix were modeled herein and a sensitivity analysis for the approach was performed. The results show that the fracture width and groundwater velocity are the dominant parameters to the release of radionuclides from a radwaste repository.