THE USE OF DIFFUSION EQUATIONS FOR PL AND DOUBLE-PL CALCULATIONS
The spherical harmonics (P/sub L/) and double P/sub L/ approximations to the Boltzmann transport equation in slab geometry are developed in a matrix differential equation formalism. A series of two region problems were solved in the P/sub L/ approximations up to P/sub 15/ and the DP/sub L/ approximations up to DP/sub 3/. Angular distributions near the material interface and spatial distributions of the scalar fluxes are presented graphically. (auth)
- Research Organization:
- Knolls Atomic Power Lab., Schenectady, N.Y.
- DOE Contract Number:
- W-31-109-ENG-52
- NSA Number:
- NSA-18-000979
- OSTI ID:
- 4153955
- Report Number(s):
- KAPL-M-RAR-1
- Country of Publication:
- United States
- Language:
- English
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