A Simplified Quantitative Model for Fissile Material Production from Fast Spallation Neutrons
Journal Article
·
· Proposed Journal Article, unpublished
OSTI ID:1429713
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
The Accelerator Driven System (ADS) as a reactor to produce fissile material, or for partitioning & transmutation purposes, has potential as an inherently safe reactor since it can be shut down by simply turning off the accelerator. Multiple studies have focused on the intranuclear and internuclear physics involved in the spallation process for high-energy projectiles impacting high-Z targets relevant to ADS applications. To quantify spallation neutronics, and thereby fissile material production, generally requires numerical methods such as MCNP, and such calculations are specific to the geometry under consideration. This study uses published cross sections from the ENDF database and an assumed generic cylindrical geometry for the ADS target and fertile blanket to derive analytic expressions for the production of Pu-239 and U-233, without needing to run MCNP codes, yet matching published data.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 1429713
- Report Number(s):
- SAND--2017-13482J; 659493
- Journal Information:
- Proposed Journal Article, unpublished, Journal Name: Proposed Journal Article, unpublished Vol. 2017; ISSN 9999-9999
- Publisher:
- See Research Organization
- Country of Publication:
- United States
- Language:
- English
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