Heat transfer from the roughened surface of gas cooled fast breeder reactor fuel element
Thesis/Dissertation
·
OSTI ID:5276914
The temperature distributions and the augmentation of heat transfer performance by artificial roughening of a gas cooled fast breeder reactor (GCFR) fuel rod cladding are studied. Numerical solutions are based on the axisymmetric assumption for a two-dimensional model for one rib pitch of axial distance. The local and axial clad temperature distributions are obtained for both the rectangular and ramp rib roughened surface geometries. The transformation of experimentally measured convective heat transfer coefficients, in terms of Stanton number, into GCFR values is studied. In addition, the heat transfer performance of a GCFR fuel rod cladding roughened surface design is evaluated. Approximate analytical solution for correlating an average Stanton number is also obtained and satisfactorily compared with the corresponding numerical result for a GCFR design. The analytical correlation is useful in assessing roughened surface heat transfer performance in scoping studies and conceptual design.
- Research Organization:
- Arizona Univ., Tucson (USA)
- OSTI ID:
- 5276914
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
BREEDER REACTORS
ENERGY TRANSFER
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FUEL ELEMENTS
GAS COOLED REACTORS
GCFR TYPE REACTORS
HEAT TRANSFER
MATHEMATICAL MODELS
PARTICLE MODELS
REACTOR COMPONENTS
REACTORS
STATISTICAL MODELS
SURFACE FINISHING
TEMPERATURE DISTRIBUTION
THERMODYNAMIC MODEL
TWO-DIMENSIONAL CALCULATIONS
210500* -- Power Reactors
Breeding
BREEDER REACTORS
ENERGY TRANSFER
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FUEL ELEMENTS
GAS COOLED REACTORS
GCFR TYPE REACTORS
HEAT TRANSFER
MATHEMATICAL MODELS
PARTICLE MODELS
REACTOR COMPONENTS
REACTORS
STATISTICAL MODELS
SURFACE FINISHING
TEMPERATURE DISTRIBUTION
THERMODYNAMIC MODEL
TWO-DIMENSIONAL CALCULATIONS