Calculated Critical Arrays of Fissile Materials
- Atlantic Richfield Hanford Co., Richland, WA (United States)
To safely ship and store large numbers of fissile units, the reflected array critical size must be determined for each mass, spacing and internal moderation of the subcritical unit under consideration. This paper presents the results of Monte Carlo calculations using both the GEM4 and KENO codes for critical arrays of 2, 3 and 4 kg spherical plutonium metal pieces and critical arrays of 10 liter (L-10) and 3 liter (L-3) Dow-type shipping containers of 233U nitrate and plutonium nitrate solutions.
- Research Organization:
- Atlantic Richfield Hanford Co., Richland, WA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Atomic Energy Commission (AEC)
- OSTI ID:
- 4608385
- Report Number(s):
- ARH-SA-76; CONF-701102--27
- Country of Publication:
- United States
- Language:
- English
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