On the treatment of nonlinear local feedbacks within advanced nodal generalized perturbation theory
Conference
·
· Transactions of the American Nuclear Society; (United States)
OSTI ID:5928341
- Electricite de France, Clamart (France)
- North Carolina State Univ., Raleigh (United States)
Recent efforts to upgrade the underlying neutronics formulations within the in-core nuclear fuel management optimization code FORMOSA (Ref. 1) have produced two important developments; first, a computationally efficient and second-order-accurate advanced nodal generalized perturbation theory (GPT) model [derived from the nonlinear iterative nodal expansion method (NEM)] for evaluating core attributes (i.e., k[sub eff] and power distribution versus cycle burnup), and second, an equally efficient and accurate treatment of local thermal-hydraulic and fission product feedbacks embedded within NEM GPT. The latter development is the focus of this paper.
- OSTI ID:
- 5928341
- Report Number(s):
- CONF-930601--
- Conference Information:
- Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 68
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
663610* -- Neutron Physics-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CALCULATION METHODS
COMPUTER CODES
COMPUTERIZED SIMULATION
ENRICHED URANIUM REACTORS
F CODES
FUEL MANAGEMENT
ITERATIVE METHODS
MATHEMATICAL MODELS
NEUTRAL-PARTICLE TRANSPORT
NEUTRON TRANSPORT
NONLINEAR PROBLEMS
PERTURBATION THEORY
POWER REACTORS
PWR TYPE REACTORS
RADIATION TRANSPORT
REACTORS
SIMULATION
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CALCULATION METHODS
COMPUTER CODES
COMPUTERIZED SIMULATION
ENRICHED URANIUM REACTORS
F CODES
FUEL MANAGEMENT
ITERATIVE METHODS
MATHEMATICAL MODELS
NEUTRAL-PARTICLE TRANSPORT
NEUTRON TRANSPORT
NONLINEAR PROBLEMS
PERTURBATION THEORY
POWER REACTORS
PWR TYPE REACTORS
RADIATION TRANSPORT
REACTORS
SIMULATION
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS