scholarly journals SIMSISAK – a Method to Model Nuclide Transport in the SISAK System

2019 ◽  
Vol 37 (3-4) ◽  
pp. 232-244
Author(s):  
G. Skarnemark ◽  
R. Malmbeck ◽  
M. Johansson ◽  
J.P. Omtvedt ◽  
N. Trautmann ◽  
...  
Keyword(s):  
Nuclide Transport

A GoldSim Modeling Approach to Safety Assessment of an LILW Repository System

2010 ◽  
Author(s):  
Youn Myoung Lee ◽  
Jongtae Jeong ◽  
Jongwon Choi
Keyword(s):  
Performance Evaluation ◽  
Safety Assessment ◽  
Preferential Flow ◽  
Far Field ◽  
Well Drilling ◽  
Sensitivity Studies ◽  
Nuclide Transport ◽  
And Performance ◽  
Parameter Values ◽  
Flow Pathway

A program for the safety assessment and performance evaluation of a low- and intermediate level waste (LILW) repository system has been developed by utilizing GoldSim [1]. By utilizing this nuclide transport in the near- and far-field of a repository as well as a transport through a biosphere under various natural and manmade disruptive events affecting a nuclide release are modeled and evaluated. To demonstrate its usability, some illustrative cases under the selected scenarios including the influence of degradation of manmade barriers, pumping well drilling, and the natural disruptive events such as a sudden formation of preferential flow pathway have been investigated and illustrated for a hypothetical LILW repository. Even though all the parameter values applied to a hypothetical repository are assumed without any real base, the illustrative cases could be informative especially when seeing the result of the probabilistic calculation or sensitivity studies with various scenarios that possibly happen for nuclide release and further transport.

A Comparative Analysis Of Fractured and Porous Medium Radionuclide Transport

1981 ◽  
Vol 11 ◽  
Author(s):  
B. J. Travis ◽  
H. E. Nuttall
Keyword(s):  
Porous Medium ◽  
Porous Media ◽  
Comparative Analysis ◽  
Ion Transport ◽  
Radionuclide Transport ◽  
Fracture Frequency ◽  
The Usa ◽  
Nuclide Transport ◽  
Geological Formations

Modeling of radionuclide transport in geological formations has until recently been limited to the treatment of nonfractured porous media. Recently researchers in Sweden, Canada, France, and the USA have become interested in the problems of nuclide transport in geological formations which may contain fractures. Since many conventional porous-medium ion-transport codes are available, the question arises as to when fracture widths and fracture frequency dictate the use of these existing codes.

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