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A coupled model for...
A coupled model for oxidative dissolution of spent fuel and transport of radionuclides from an initially defective canister
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- Liu, Longcheng (author)
- KTH,Kemiteknik
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- Neretnieks, Ivars (author)
- KTH,Kemiteknik
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(creator_code:org_t)
- 2001
- 2001
- English.
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In: Nuclear Technology. - 0029-5450 .- 1943-7471. ; 135, s. 273-285
- Related links:
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https://urn.kb.se/re...
Abstract
Subject headings
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- An earlier model for oxidative dissolution of spent fuel was developed by including the release behavior of actinides from the fuel surface and the barrier effect of Zircaloy claddings. The aim here is to explore the possibility and consequences of precipitation in the water film around the fuel pellets due to solubility, and transport limitations of nuclides. The model has been applied in the performance assessment of a damaged canister under natural repository conditions, by coupling to a redox-front-based model for transport of nuclides. The simulation results identify? that the time of penetration of the canister, the size of the damage, and the initial free volume of the fuel rods are important factors that dominate the dissolution behavior of the fuel matrix and thus the transport behavior of actinides in the nearfield of a repository.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Keyword
- Chemical engineering
- Kemiteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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