(A) study on the radionuclide transport through fractured porous media based on the network resistance model = 균열암반 내에서 네트웍 저항 모델을 이용한 핵종 이동에 대한 연구

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Before the actual construction of radioactive waste repository, analysis of radionuclide transport is required to predict the radiological effect on public and environment. Many models have been developed to predict the realistic radionuclide transport through the repository. In this study, Network Resistance Model (NRM) that is similar to electrical circuit network is adopted to simulate the radionuclide transport. NRM assume the media of repository as the resistance of the radionuclide transport and describes the transport phenomena of radionuclide by connecting the resistance as network. NRM is easy to apply to describe complex system and take less calculation time compared to the other model. The object of this study is to develop the fast, simple and efficient calculation method to simulate the radionuclide with the newly adopted concept using network resistance. New system configuration specially focused on rock edge region is introduced by dividing the rock matrix. By dividing the rock edge from the main rock matrix region, the rock edge region is more carefully analyzed and compared. Rock edge region can accelerate radionuclide transport due to the reducing effect on the total resistivity of rock matrix. Therefore, increased radioactive dose is expected when we apply NRM methodology in the performance assessment of the repository. Result of the performance assessment can be more conservative and reliable. NRM can be applied to other system configuration and for more complex pathways. NRM is simple to us e and easy to modify than any other modeling method.
Advisors
Lee, Kun-Jairesearcher이건재researcher
Description
한국과학기술원 : 원자력공학과,
Publisher
한국과학기술원
Issue Date
2000
Identifier
158122/325007 / 000983649
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 원자력공학과, 2000.2, [ vii, 34 p. ]

Keywords

Transport; Fracture; Resistance; Network; Model; 모델; 이동; 균열; 저항; 네트웍

URI
http://hdl.handle.net/10203/49425
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=158122&flag=dissertation
Appears in Collection
NE-Theses_Master(석사논문)
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