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Light Water Breeding with Nitride Fuel

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Author(s)
Feng, Bo
•
Shwageraus, Eugene
•
Forget, Benoit
•
Kazimi, Mujid S.
Date Issued
September 2011
Publisher
Elsevier BV
Citation
Feng, Bo, Shwageraus, Eugene, Forget, Benoit and Kazimi, Mujid S. 2011. "Light Water Breeding with Nitride Fuel." 53 (7).
Version
Author's final manuscript
Abstract
This scoping study proposes using mixed nitride fuel in Pu-based high conversion LWR designs in order to increase the breeding ratio. The higher density fuel reduces the hydrogen-to-heavy metal ratio in the reactor which results in a harder spectrum in which breeding is more effective. A Resource-renewable Boiling Water Reactor (RBWR) assembly was modeled in MCNP to demonstrate this effect in a typical high conversion LWR design. It was determined that changing the fuel from (U,TRU)O2 to (U,TRU)N in the assembly can increase its fissile inventory ratio (fissile Pu mass divided by initial fissile Pu mass) from 1.04 to up to 1.17. © 2011 Elsevier Ltd. All rights reserved.
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DOI of Published Version
10.1016/j.pnucene.2011.06.001
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