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Title: Transient diffusion through a spherical shell into its finite spherical core. [HTGR]

Technical Report ·
DOI:https://doi.org/10.2172/6028570· OSTI ID:6028570

The problem of the diffusion of gas through a spherical shell into its spherical core is solved by using the Laplace transform technique. The transformed solution is obtained and then inverted to the corresponding solution in real space. This real space solution is slowly converging for small times. Therefore, an alternate expression is obtained that is appropriate and more rapidly convergent for small times. As an example, the first solution is used to calculate the theoretical gas content of the core of High-Temperature Gas-Cooled Reactor (HTGR) biso-coated fuel particles from fuel-particle batch OR2261/HT after 850/sup 0/C anneals in helium.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
6028570
Report Number(s):
ORNL/CSD/TM-60; TRN: 79-019246
Country of Publication:
United States
Language:
English