Numerical Modeling of Mixing of Chemically Reacting, Non- Newtonian Slurry for Tank Waste Retrieval
The objectives of this study are to investigate interactions among chemical reactions, waste rheology, and slurry mixing occurring during the tank waste retrieval operation and to provide a scientific basis for the waste retrieval decision-making process. Specific objectives are to: (1) Evaluate numerical modeling of non-Newtonian waste with yield strength; (2) Examine reactive transport simulation of tank waste; (3) Conduct numerical modeling analysis of local and global mixing of non-Newtonian and Newtonian slurries coupled with the relevant chemical reactions and realistic rheology, which depends critically on the chemistry, strain rate, and slurry concentrations; (4) Develop easy-to-use interactive software with the collaborative visualization for monitoring the various flow regimes in nuclear waste tanks; and (5) Provide the bases to develop an appropriate decision-making support tool based on scientifically justifiable analysis for tank-waste retrieval operation.
- Research Organization:
- University of Minnesota, Minneapolis, Minnesota; Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM) (US)
- DOE Contract Number:
- FG07-98ER62716
- OSTI ID:
- 833251
- Report Number(s):
- EMSP-1999-65371; R&D Project: EMSP 65371; TRN: US0406593
- Resource Relation:
- Other Information: PBD: 1 Jun 1999
- Country of Publication:
- United States
- Language:
- English
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Numerical Modeling of Mixing of Chemically Reacting, Non-Newtonian Slurry for Tank Waste Retrieval
Numerical Modeling of Mixing of Chemically Reacting, Non-Newtonian Slurry for Tank Waste Retrieval
Related Subjects
36 MATERIALS SCIENCE
54 ENVIRONMENTAL SCIENCES
CHEMICAL REACTIONS
CHEMISTRY
DECISION MAKING
MONITORING
RADIOACTIVE WASTES
RHEOLOGY
SIMULATION
SLURRIES
STRAIN RATE
TANKS
TRANSPORT
WASTE RETRIEVAL
WASTES
YIELD STRENGTH