Performance and Fabrication Status of TREAT LEU Conversion Conceptual Design Concepts
Conference
·
OSTI ID:1166042
Resumption of transient testing at the TREAT facility was approved in February 2014 to meet U.S. Department of Energy (DOE) objectives. The National Nuclear Security Administration’s Global Threat Reduction Initiative Convert Program is evaluating conversion of TREAT from its existing highly enriched uranium (HEU) core to a new core containing low enriched uranium (LEU). This paper describes briefly the initial pre-conceptual designs screening decisions with more detailed discussions on current feasibility, qualification and fabrication approaches. Feasible fabrication will be shown for a LEU fuel element assembly that can meet TREAT design, performance, and safety requirements. The statement of feasibility recognizes that further development, analysis, and testing must be completed to refine the conceptual design. Engineering challenges such as cladding oxidation, high temperature material properties, and fuel block fabrication along with neutronics performance, will be highlighted. Preliminary engineering and supply chain evaluation provided confidence that the conceptual designs can be achieved.
- Research Organization:
- Idaho National Laboratory (INL)
- Sponsoring Organization:
- DOE - NA
- DOE Contract Number:
- AC07-05ID14517
- OSTI ID:
- 1166042
- Report Number(s):
- INL/CON-14-33130
- Country of Publication:
- United States
- Language:
- English
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