Diffusion coefficients of sodium vapors in argon and helium
Journal Article
·
· Nucl. Sci. Eng.; (United States)
OSTI ID:6449149
Diffusion coefficients of sodium vapors in argon and helium gases were measured from 380 to 560/sup 0/C by the Stefan method under atmospheric pressure. Careful considerations were made in the design of the apparatus to obtain data within a +-10% error, which arises from several sources inherent in the Stefan method. The experimental errors inherent in such sources were theoretically evaluated. The experimental diffusion coefficients were compared with those predicted by the majority of previous theoretical expressions. The comparisons revealed that the expressions proposed by Moulaert for the sodium--argon mixture and by Aref'yev et al. for the sodium--helium mixture predicted values that were in excellent agreement with the measurements.
- Research Organization:
- Hokkaido Univ., Sapporo, Japan
- OSTI ID:
- 6449149
- Journal Information:
- Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 70:1; ISSN NSENA
- 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
360102 -- Metals & Alloys-- Structure & Phase Studies
ALKALI METALS
ARGON
BREEDER REACTORS
COVER GAS
CRYOGENIC FLUIDS
DIFFUSION
ELEMENTS
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FLUIDS
HELIUM
INERT ATMOSPHERE
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
METALS
NONMETALS
RARE GASES
REACTORS
SODIUM
210500* -- Power Reactors
Breeding
36 MATERIALS SCIENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
ALKALI METALS
ARGON
BREEDER REACTORS
COVER GAS
CRYOGENIC FLUIDS
DIFFUSION
ELEMENTS
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FLUIDS
HELIUM
INERT ATMOSPHERE
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
METALS
NONMETALS
RARE GASES
REACTORS
SODIUM