High-temperature ex-reactor thermal conductivity of thoria and thoria-urania solid solutions (LWBR/AWBA Development Program)
Technical Report
·
OSTI ID:6811836
Thermal conductivity of a material can be determined by the product of thermal diffusivity, hheat capacity, and density. Each of these properties is reviewed for ThO/sub 2/ and for ThO/sub 2/-UO/sub 2/ solid solutions, and compared with similar data for UO/sub 2/. ThO/sub 2/-UO/sub 2/ solid solutions show evidence for phase transitions from enthalpy data and thus show increases in calculated heat capacities and thermal conductivities. The pretransition thermal conductivities of the TO/sub 2/-UO/sub 2/ solid solutions are intermediate between thoria and urania. Experimentally determined pretransition heat capacities for the solid solutions agree with values calculated from mole averages of ThO/sub 2/ and UO/sub 2/.
- Research Organization:
- Bettis Atomic Power Lab., West Mifflin, PA (USA)
- DOE Contract Number:
- AC11-76PN00014
- OSTI ID:
- 6811836
- Report Number(s):
- WAPD-TM-1530; ON: DE83006715
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ACTINIDE COMPOUNDS
BREEDER REACTORS
CHALCOGENIDES
LWBR TYPE REACTORS
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTOR COMPONENTS
REACTOR MATERIALS
REACTORS
THERMAL CONDUCTIVITY
THERMAL REACTORS
THERMODYNAMIC PROPERTIES
THORIUM COMPOUNDS
THORIUM OXIDES
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
WATER COOLED REACTORS
WATER MODERATED REACTORS
210500* -- Power Reactors
Breeding
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ACTINIDE COMPOUNDS
BREEDER REACTORS
CHALCOGENIDES
LWBR TYPE REACTORS
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTOR COMPONENTS
REACTOR MATERIALS
REACTORS
THERMAL CONDUCTIVITY
THERMAL REACTORS
THERMODYNAMIC PROPERTIES
THORIUM COMPOUNDS
THORIUM OXIDES
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
WATER COOLED REACTORS
WATER MODERATED REACTORS