KRYPTON BACK DIFFUSION THROUGH GRAPHITE CLAD FUEL ELEMENTS
Technical Report
·
OSTI ID:4775429
An investigation of gaseous back diffusion through various graphite cladding materials at reactor operating conditions was studied using Kr/sup 85/ as a representative fission product. Results indicate that the effective back diffusion coefficient of graphite can be reduced by providing an inflow of He through the specimen wall. It is concluded that a material exhibiting a relatively flat curve of He permeability vs, mean He pressure is insensitive to the pressure differential across the specimen in back diffusion. (J.R.D.)
- Research Organization:
- General Atomic Div., General Dynamics Corp., San Diego, Calif.
- NSA Number:
- NSA-17-001004
- OSTI ID:
- 4775429
- Report Number(s):
- GAMD-3276
- Country of Publication:
- United States
- Language:
- English
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