Critical and Sub-Critical Experiments on Lattices of UO2/PuO2 Fuel in Water Poisoned with Gadolinium Nitrate Solution
Conference
·
OSTI ID:6925978
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
In support of its nuclear fuel cycle activities, British Nuclear Fuels Limited (BNFL) has commissioned the construction of a series of critical and sub-critical experimental cores consisting of heterogeneous lattices of fuel pins arranged in water poisoned with gadolinium nitrate solution. The principal objectives of the program were to assist in validating a particular calculation route being developed for BNFL design and safety assessments, and to derive data for the use of gadolinium as a neutron poison in nuclear chemical plant operations. The experiments used aluminum clad oxide fuel pins covering three enrichments: 4.31 w/o U235, 2.35 w/o U235 and a PuO2/ natural UO2 mixture. The fuel pins were arranged on a triangular pitched lattice, flooded and fully reflected axially and radially with water to which gadolinium nitrate may be added.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 6925978
- Report Number(s):
- PNL-SA-11751; CONF-8309105-3; ON: DE84011169
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE COMPOUNDS
British Nuclear Fuels Limited (BNFL)
CHALCOGENIDES
CONTROL
CONTROL SYSTEMS
CRITICALITY
Calculation Route Validation
Design and Safety Assessments
EXPERIMENTAL REACTORS
Experimental Cores
Experiments
FLUID POISON CONTROL
FUEL CYCLE
GADOLINIUM COMPOUNDS
GADOLINIUM NITRATES
NITRATES
NITROGEN COMPOUNDS
Nuclear Criticality Safety Program (NCSP)
OXIDES
OXYGEN COMPOUNDS
PLUTONIUM COMPOUNDS
PLUTONIUM DIOXIDE
PLUTONIUM OXIDES
POWER REACTORS
RARE EARTH COMPOUNDS
REACTIVITY WORTHS
REACTOR COMPONENTS
REACTOR CONTROL SYSTEMS
REACTOR CORES
REACTORS
RESEARCH AND TEST REACTORS
TEST FACILITIES
TRANSURANIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
ZERO POWER REACTORS
22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE COMPOUNDS
British Nuclear Fuels Limited (BNFL)
CHALCOGENIDES
CONTROL
CONTROL SYSTEMS
CRITICALITY
Calculation Route Validation
Design and Safety Assessments
EXPERIMENTAL REACTORS
Experimental Cores
Experiments
FLUID POISON CONTROL
FUEL CYCLE
GADOLINIUM COMPOUNDS
GADOLINIUM NITRATES
NITRATES
NITROGEN COMPOUNDS
Nuclear Criticality Safety Program (NCSP)
OXIDES
OXYGEN COMPOUNDS
PLUTONIUM COMPOUNDS
PLUTONIUM DIOXIDE
PLUTONIUM OXIDES
POWER REACTORS
RARE EARTH COMPOUNDS
REACTIVITY WORTHS
REACTOR COMPONENTS
REACTOR CONTROL SYSTEMS
REACTOR CORES
REACTORS
RESEARCH AND TEST REACTORS
TEST FACILITIES
TRANSURANIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
ZERO POWER REACTORS