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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 627 - 638 (12page)
이용수
초록· 키워드
오류제보하기
A variable aperture model, instead of a conventional parallel plate model, is utilized to study the transport of radionuclides in a single coupled fracture-matrix system. A fully implicit finite difference model has been developed, which incorporates fracture aperture width variation in the numerical study of two species radionuclide transport. Two distinct geometric profiles namely, sinusoidal and logarithmic have been used to capture the variation of aperture width. The dependence of advection, hydrodynamic dispersion, linear sorption, and matrix diffusion on aperture width is considered in the analysis of radionuclides transport. Two species (parent and daughter) radioactive decay chain is also incorporated. There is a greater retardation of radionuclides in fracture for the variable aperture model than the parallel plate model. Sensitivity analysis on fracture surface sorption coefficient, longitudinal dispersivity, matrix porosity, and matrix diffusion coefficient shows that the conventional parallel plate model overestimate the radionuclide concentration in the fracture when compared to the variable aperture model.
목차
등록된 정보가 없습니다.
참고문헌 (30)
참고문헌 신청
Bauer, P. / 2001 / Transport of a decay chain in homogenous porous media : analytical solutions / Journal of Contaminant Hydrology 49:217~239
Feder, J. / 1988 / Fractals / Plenum Press :283
Hakami, E. / 1990 / Aperture measurements and flow experiments using transparent replicas of rock joints / Proceedings of a regional conference of the International Society for Rock Mechanics on Rock Joints :383~390
Harr, M. E. / 1962 / Groundwater and seepage / McGraw-Hill :315
Keller, K. / 1985 / Automatic, digital system for profiling rough surfaces / Review of Scientific Instruments 56:330~331
Feder, J. / 1988 / Fractals / Plenum Press :283
Hakami, E. / 1990 / Aperture measurements and flow experiments using transparent replicas of rock joints / Proceedings of a regional conference of the International Society for Rock Mechanics on Rock Joints :383~390
Harr, M. E. / 1962 / Groundwater and seepage / McGraw-Hill :315
Keller, K. / 1985 / Automatic, digital system for profiling rough surfaces / Review of Scientific Instruments 56:330~331
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