2DB: A Two-Dimensional Diffusion-Burnup Code for Fast Reactor Analysis
- Battelle-Northwest, Richland, Wash. Pacific Northwest Lab.
2DB is a two-dimensional (X-Y, R-Z, R-e), multigroup diffusion code for use in fast reactor criticality and burnup analysis. All programming is in FORTRAN-IV. The code can be used to: 1) Compute keff and perform criticality searches on time absorption (α), reactor composition, and reactor dimensions by means of either a flux or an adjoint model; (2) Compute material depletion rates. Since variable dimensioning is employed, no simple restrictions on problem complexity can be stated However, in a 65K memory, the current version is nominally restricted to 50 energy groups. Running time (for a keff calculation) on a UNIVAC 1108 is about 2 minutes for a 30 x 30 mesh problem using 4 energy groups.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, WA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Atomic Energy Commission (AEC)
- DOE Contract Number:
- AT(45-1)-1830
- NSA Number:
- NSA-22-016308
- OSTI ID:
- 4555261
- Report Number(s):
- BNWL-640
- Resource Relation:
- Other Information: UNCL. Orig. Receipt Date: 31-DEC-68
- Country of Publication:
- United States
- Language:
- English
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COMPUTERS
CRITICALITY
DIGITAL SYSTEMS
FAST NEUTRONS
FORTRAN
MEASUREMENT
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REACTOR CORE
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UNIVAC 1108
Nuclear Criticality Safety Program (NCSP)
Criticality
keff
2DB
Diffusion
FORTRAN-IV
Reactor Composition
Depletion Rates
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